./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 64bit --witnessprinter.graph.data.programhash ce5362e495562dfaea277a751eacbf753e9d90aa85c88e38ea1b10dbc078ec49 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 13:26:12,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 13:26:12,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 13:26:12,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 13:26:12,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 13:26:12,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 13:26:12,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 13:26:12,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 13:26:12,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 13:26:12,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 13:26:12,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 13:26:12,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 13:26:12,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 13:26:12,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 13:26:12,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 13:26:12,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 13:26:12,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 13:26:12,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 13:26:12,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 13:26:12,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 13:26:12,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 13:26:12,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 13:26:12,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 13:26:12,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 13:26:12,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 13:26:12,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 13:26:12,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 13:26:12,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 13:26:12,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 13:26:12,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 13:26:12,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 13:26:12,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 13:26:12,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 13:26:12,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 13:26:12,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 13:26:12,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 13:26:12,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 13:26:12,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 13:26:12,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 13:26:12,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 13:26:12,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 13:26:12,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 13:26:12,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 13:26:12,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 13:26:12,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 13:26:12,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 13:26:12,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 13:26:12,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 13:26:12,153 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 13:26:12,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 13:26:12,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 13:26:12,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 13:26:12,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 13:26:12,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 13:26:12,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 13:26:12,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 13:26:12,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 13:26:12,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 13:26:12,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 13:26:12,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 13:26:12,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 13:26:12,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 13:26:12,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 13:26:12,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 13:26:12,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 13:26:12,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 13:26:12,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 13:26:12,157 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 13:26:12,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 13:26:12,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 13:26:12,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 13:26:12,157 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce5362e495562dfaea277a751eacbf753e9d90aa85c88e38ea1b10dbc078ec49 [2021-11-05 13:26:12,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 13:26:12,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 13:26:12,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 13:26:12,438 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 13:26:12,440 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 13:26:12,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i [2021-11-05 13:26:12,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0d25907/87c46069bac7419ebf951e4d91bbff39/FLAGbcfa13037 [2021-11-05 13:26:13,113 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 13:26:13,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i [2021-11-05 13:26:13,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0d25907/87c46069bac7419ebf951e4d91bbff39/FLAGbcfa13037 [2021-11-05 13:26:13,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0d25907/87c46069bac7419ebf951e4d91bbff39 [2021-11-05 13:26:13,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 13:26:13,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 13:26:13,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 13:26:13,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 13:26:13,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 13:26:13,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:26:13" (1/1) ... [2021-11-05 13:26:13,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65751da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:13, skipping insertion in model container [2021-11-05 13:26:13,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:26:13" (1/1) ... [2021-11-05 13:26:13,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 13:26:13,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 13:26:13,805 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i[4494,4507] [2021-11-05 13:26:13,810 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i[4554,4567] [2021-11-05 13:26:13,822 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-05 13:26:13,828 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-05 13:26:14,317 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,318 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,318 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,319 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,320 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,330 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,332 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,335 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,338 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,340 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,341 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,341 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,548 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-05 13:26:14,554 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-05 13:26:14,555 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-05 13:26:14,558 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-05 13:26:14,559 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-05 13:26:14,560 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-05 13:26:14,560 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-05 13:26:14,561 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-05 13:26:14,567 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-05 13:26:14,567 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-05 13:26:14,671 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-05 13:26:14,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 13:26:14,699 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 13:26:14,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i[4494,4507] [2021-11-05 13:26:14,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i[4554,4567] [2021-11-05 13:26:14,712 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-05 13:26:14,713 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-05 13:26:14,738 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,739 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,739 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,740 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,740 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,745 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,745 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,746 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,747 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,747 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,748 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,748 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,749 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:26:14,792 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-05 13:26:14,796 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-05 13:26:14,797 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-05 13:26:14,797 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-05 13:26:14,799 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-05 13:26:14,800 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-05 13:26:14,800 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-05 13:26:14,805 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-05 13:26:14,805 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-05 13:26:14,806 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-05 13:26:14,844 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-05 13:26:14,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 13:26:15,085 INFO L208 MainTranslator]: Completed translation [2021-11-05 13:26:15,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15 WrapperNode [2021-11-05 13:26:15,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 13:26:15,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 13:26:15,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 13:26:15,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 13:26:15,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15" (1/1) ... [2021-11-05 13:26:15,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15" (1/1) ... [2021-11-05 13:26:15,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 13:26:15,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 13:26:15,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 13:26:15,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 13:26:15,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15" (1/1) ... [2021-11-05 13:26:15,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15" (1/1) ... [2021-11-05 13:26:15,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15" (1/1) ... [2021-11-05 13:26:15,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15" (1/1) ... [2021-11-05 13:26:15,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15" (1/1) ... [2021-11-05 13:26:15,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15" (1/1) ... [2021-11-05 13:26:15,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15" (1/1) ... [2021-11-05 13:26:15,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 13:26:15,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 13:26:15,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 13:26:15,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 13:26:15,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15" (1/1) ... [2021-11-05 13:26:15,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 13:26:15,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:26:15,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-05 13:26:15,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-05 13:26:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 13:26:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 13:26:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 13:26:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 13:26:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 13:26:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 13:26:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 13:26:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 13:26:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 13:26:16,047 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 13:26:16,048 INFO L299 CfgBuilder]: Removed 55 assume(true) statements. [2021-11-05 13:26:16,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:26:16 BoogieIcfgContainer [2021-11-05 13:26:16,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 13:26:16,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 13:26:16,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 13:26:16,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 13:26:16,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 01:26:13" (1/3) ... [2021-11-05 13:26:16,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ffda406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:26:16, skipping insertion in model container [2021-11-05 13:26:16,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:26:15" (2/3) ... [2021-11-05 13:26:16,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ffda406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:26:16, skipping insertion in model container [2021-11-05 13:26:16,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:26:16" (3/3) ... [2021-11-05 13:26:16,061 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_rend_harness.i [2021-11-05 13:26:16,065 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 13:26:16,065 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-05 13:26:16,101 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 13:26:16,106 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-05 13:26:16,107 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-05 13:26:16,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 109 states have (on average 1.5596330275229358) internal successors, (170), 113 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:16,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-05 13:26:16,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:16,130 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:16,131 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:16,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:16,136 INFO L85 PathProgramCache]: Analyzing trace with hash -122732205, now seen corresponding path program 1 times [2021-11-05 13:26:16,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:16,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029924971] [2021-11-05 13:26:16,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:16,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:16,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:16,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029924971] [2021-11-05 13:26:16,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029924971] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:16,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:16,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 13:26:16,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181780522] [2021-11-05 13:26:16,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:16,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-05 13:26:16,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:16,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-05 13:26:16,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 13:26:16,481 INFO L87 Difference]: Start difference. First operand has 114 states, 109 states have (on average 1.5596330275229358) internal successors, (170), 113 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:16,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:16,521 INFO L93 Difference]: Finished difference Result 224 states and 335 transitions. [2021-11-05 13:26:16,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-05 13:26:16,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-05 13:26:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:16,533 INFO L225 Difference]: With dead ends: 224 [2021-11-05 13:26:16,533 INFO L226 Difference]: Without dead ends: 109 [2021-11-05 13:26:16,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 13:26:16,539 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:16,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 4.50ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 13:26:16,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-05 13:26:16,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-11-05 13:26:16,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 105 states have (on average 1.457142857142857) internal successors, (153), 108 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 153 transitions. [2021-11-05 13:26:16,583 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 153 transitions. Word has length 41 [2021-11-05 13:26:16,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:16,586 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 153 transitions. [2021-11-05 13:26:16,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 153 transitions. [2021-11-05 13:26:16,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-05 13:26:16,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:16,589 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:16,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 13:26:16,590 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:16,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:16,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1738897517, now seen corresponding path program 1 times [2021-11-05 13:26:16,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:16,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568929814] [2021-11-05 13:26:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:16,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:16,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:16,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568929814] [2021-11-05 13:26:16,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568929814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:16,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:16,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 13:26:16,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270698750] [2021-11-05 13:26:16,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:16,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:26:16,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:16,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:26:16,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:26:16,720 INFO L87 Difference]: Start difference. First operand 109 states and 153 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:16,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:16,808 INFO L93 Difference]: Finished difference Result 208 states and 294 transitions. [2021-11-05 13:26:16,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:26:16,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-05 13:26:16,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:16,812 INFO L225 Difference]: With dead ends: 208 [2021-11-05 13:26:16,812 INFO L226 Difference]: Without dead ends: 109 [2021-11-05 13:26:16,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.76ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:26:16,814 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 140 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.01ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.12ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:16,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 272 Invalid, 33 Unknown, 0 Unchecked, 4.01ms Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 52.12ms Time] [2021-11-05 13:26:16,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-05 13:26:16,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-11-05 13:26:16,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 108 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 150 transitions. [2021-11-05 13:26:16,834 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 150 transitions. Word has length 41 [2021-11-05 13:26:16,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:16,835 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 150 transitions. [2021-11-05 13:26:16,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2021-11-05 13:26:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-05 13:26:16,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:16,838 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:16,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 13:26:16,839 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:16,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:16,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1666510959, now seen corresponding path program 1 times [2021-11-05 13:26:16,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:16,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694496085] [2021-11-05 13:26:16,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:16,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:16,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:16,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694496085] [2021-11-05 13:26:16,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694496085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:16,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:16,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 13:26:16,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448199375] [2021-11-05 13:26:16,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:16,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:26:16,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:16,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:26:16,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:26:16,978 INFO L87 Difference]: Start difference. First operand 109 states and 150 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:17,012 INFO L93 Difference]: Finished difference Result 210 states and 280 transitions. [2021-11-05 13:26:17,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:26:17,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-05 13:26:17,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:17,014 INFO L225 Difference]: With dead ends: 210 [2021-11-05 13:26:17,014 INFO L226 Difference]: Without dead ends: 127 [2021-11-05 13:26:17,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.13ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:26:17,016 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 18 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.58ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.58ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:17,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 422 Invalid, 29 Unknown, 0 Unchecked, 1.58ms Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 22.58ms Time] [2021-11-05 13:26:17,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-05 13:26:17,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 109. [2021-11-05 13:26:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 105 states have (on average 1.4095238095238096) internal successors, (148), 108 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 148 transitions. [2021-11-05 13:26:17,022 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 148 transitions. Word has length 41 [2021-11-05 13:26:17,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:17,023 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 148 transitions. [2021-11-05 13:26:17,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2021-11-05 13:26:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-05 13:26:17,024 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:17,024 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:17,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 13:26:17,024 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:17,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:17,025 INFO L85 PathProgramCache]: Analyzing trace with hash -423042159, now seen corresponding path program 1 times [2021-11-05 13:26:17,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:17,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299533279] [2021-11-05 13:26:17,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:17,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:17,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:17,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299533279] [2021-11-05 13:26:17,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299533279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:17,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:17,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 13:26:17,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248032239] [2021-11-05 13:26:17,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:17,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 13:26:17,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 13:26:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:26:17,098 INFO L87 Difference]: Start difference. First operand 109 states and 148 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:17,201 INFO L93 Difference]: Finished difference Result 217 states and 288 transitions. [2021-11-05 13:26:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 13:26:17,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-05 13:26:17,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:17,203 INFO L225 Difference]: With dead ends: 217 [2021-11-05 13:26:17,203 INFO L226 Difference]: Without dead ends: 135 [2021-11-05 13:26:17,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 26.41ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-05 13:26:17,206 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 362 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.08ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.38ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:17,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 214 Invalid, 65 Unknown, 0 Unchecked, 2.08ms Time], IncrementalHoareTripleChecker [14 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 63.38ms Time] [2021-11-05 13:26:17,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-05 13:26:17,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 109. [2021-11-05 13:26:17,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 105 states have (on average 1.380952380952381) internal successors, (145), 108 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 145 transitions. [2021-11-05 13:26:17,227 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 145 transitions. Word has length 45 [2021-11-05 13:26:17,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:17,227 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 145 transitions. [2021-11-05 13:26:17,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 145 transitions. [2021-11-05 13:26:17,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-05 13:26:17,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:17,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:17,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 13:26:17,231 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:17,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:17,231 INFO L85 PathProgramCache]: Analyzing trace with hash -2072078671, now seen corresponding path program 1 times [2021-11-05 13:26:17,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:17,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996490439] [2021-11-05 13:26:17,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:17,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:17,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:17,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996490439] [2021-11-05 13:26:17,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996490439] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:17,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:17,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 13:26:17,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390366727] [2021-11-05 13:26:17,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:17,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 13:26:17,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:17,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 13:26:17,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-05 13:26:17,331 INFO L87 Difference]: Start difference. First operand 109 states and 145 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:17,495 INFO L93 Difference]: Finished difference Result 296 states and 388 transitions. [2021-11-05 13:26:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-05 13:26:17,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-05 13:26:17,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:17,498 INFO L225 Difference]: With dead ends: 296 [2021-11-05 13:26:17,498 INFO L226 Difference]: Without dead ends: 213 [2021-11-05 13:26:17,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 44.33ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-05 13:26:17,502 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 670 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.28ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 110.29ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:17,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 331 Invalid, 136 Unknown, 0 Unchecked, 3.28ms Time], IncrementalHoareTripleChecker [35 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 110.29ms Time] [2021-11-05 13:26:17,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-11-05 13:26:17,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 112. [2021-11-05 13:26:17,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 111 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 148 transitions. [2021-11-05 13:26:17,514 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 148 transitions. Word has length 49 [2021-11-05 13:26:17,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:17,515 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 148 transitions. [2021-11-05 13:26:17,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 148 transitions. [2021-11-05 13:26:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-05 13:26:17,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:17,516 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:17,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 13:26:17,517 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:17,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:17,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1006498608, now seen corresponding path program 1 times [2021-11-05 13:26:17,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:17,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180511631] [2021-11-05 13:26:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:17,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:17,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:17,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:17,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180511631] [2021-11-05 13:26:17,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180511631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:17,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:17,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 13:26:17,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460931722] [2021-11-05 13:26:17,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:17,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 13:26:17,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:17,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 13:26:17,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-05 13:26:17,596 INFO L87 Difference]: Start difference. First operand 112 states and 148 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:17,737 INFO L93 Difference]: Finished difference Result 299 states and 388 transitions. [2021-11-05 13:26:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-05 13:26:17,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-05 13:26:17,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:17,738 INFO L225 Difference]: With dead ends: 299 [2021-11-05 13:26:17,738 INFO L226 Difference]: Without dead ends: 214 [2021-11-05 13:26:17,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 43.46ms TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-11-05 13:26:17,740 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 606 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.42ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95.24ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:17,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [606 Valid, 308 Invalid, 134 Unknown, 0 Unchecked, 2.42ms Time], IncrementalHoareTripleChecker [39 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 95.24ms Time] [2021-11-05 13:26:17,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-11-05 13:26:17,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 115. [2021-11-05 13:26:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 114 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 151 transitions. [2021-11-05 13:26:17,748 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 151 transitions. Word has length 51 [2021-11-05 13:26:17,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:17,748 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 151 transitions. [2021-11-05 13:26:17,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,748 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 151 transitions. [2021-11-05 13:26:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-05 13:26:17,749 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:17,749 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:17,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 13:26:17,750 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:17,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:17,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1179077135, now seen corresponding path program 1 times [2021-11-05 13:26:17,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:17,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042386559] [2021-11-05 13:26:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:17,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:17,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:17,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042386559] [2021-11-05 13:26:17,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042386559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:17,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:17,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 13:26:17,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088887105] [2021-11-05 13:26:17,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:17,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:26:17,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:17,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:26:17,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:26:17,836 INFO L87 Difference]: Start difference. First operand 115 states and 151 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:17,889 INFO L93 Difference]: Finished difference Result 226 states and 298 transitions. [2021-11-05 13:26:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 13:26:17,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-05 13:26:17,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:17,891 INFO L225 Difference]: With dead ends: 226 [2021-11-05 13:26:17,891 INFO L226 Difference]: Without dead ends: 131 [2021-11-05 13:26:17,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.10ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:26:17,892 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 9 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.83ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.25ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:17,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 392 Invalid, 72 Unknown, 0 Unchecked, 0.83ms Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 43.25ms Time] [2021-11-05 13:26:17,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-05 13:26:17,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 123. [2021-11-05 13:26:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 119 states have (on average 1.3361344537815125) internal successors, (159), 122 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 159 transitions. [2021-11-05 13:26:17,897 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 159 transitions. Word has length 61 [2021-11-05 13:26:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:17,898 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 159 transitions. [2021-11-05 13:26:17,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 159 transitions. [2021-11-05 13:26:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-05 13:26:17,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:17,902 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:17,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 13:26:17,911 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:17,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:17,911 INFO L85 PathProgramCache]: Analyzing trace with hash -192730163, now seen corresponding path program 1 times [2021-11-05 13:26:17,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:17,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096927514] [2021-11-05 13:26:17,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:17,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:17,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:17,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096927514] [2021-11-05 13:26:17,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096927514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:17,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:17,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-05 13:26:17,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572180185] [2021-11-05 13:26:17,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:17,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 13:26:17,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:17,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 13:26:17,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-05 13:26:17,984 INFO L87 Difference]: Start difference. First operand 123 states and 159 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:18,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:18,171 INFO L93 Difference]: Finished difference Result 324 states and 415 transitions. [2021-11-05 13:26:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-05 13:26:18,172 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-05 13:26:18,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:18,173 INFO L225 Difference]: With dead ends: 324 [2021-11-05 13:26:18,173 INFO L226 Difference]: Without dead ends: 221 [2021-11-05 13:26:18,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 55.72ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-05 13:26:18,174 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 624 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.23ms SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.97ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:18,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [624 Valid, 428 Invalid, 204 Unknown, 0 Unchecked, 4.23ms Time], IncrementalHoareTripleChecker [49 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 125.97ms Time] [2021-11-05 13:26:18,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-05 13:26:18,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 126. [2021-11-05 13:26:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 122 states have (on average 1.3278688524590163) internal successors, (162), 125 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 162 transitions. [2021-11-05 13:26:18,180 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 162 transitions. Word has length 61 [2021-11-05 13:26:18,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:18,180 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 162 transitions. [2021-11-05 13:26:18,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 162 transitions. [2021-11-05 13:26:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-05 13:26:18,181 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:18,181 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:18,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 13:26:18,182 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:18,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:18,182 INFO L85 PathProgramCache]: Analyzing trace with hash 930930641, now seen corresponding path program 1 times [2021-11-05 13:26:18,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:18,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999783573] [2021-11-05 13:26:18,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:18,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:18,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:18,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999783573] [2021-11-05 13:26:18,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999783573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:18,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:18,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 13:26:18,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178857876] [2021-11-05 13:26:18,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:18,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 13:26:18,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:18,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 13:26:18,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:26:18,243 INFO L87 Difference]: Start difference. First operand 126 states and 162 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:18,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:18,308 INFO L93 Difference]: Finished difference Result 269 states and 334 transitions. [2021-11-05 13:26:18,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 13:26:18,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-05 13:26:18,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:18,309 INFO L225 Difference]: With dead ends: 269 [2021-11-05 13:26:18,309 INFO L226 Difference]: Without dead ends: 172 [2021-11-05 13:26:18,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.54ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 13:26:18,310 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 52 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.04ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.16ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:18,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 592 Invalid, 63 Unknown, 0 Unchecked, 1.04ms Time], IncrementalHoareTripleChecker [11 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 46.16ms Time] [2021-11-05 13:26:18,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-05 13:26:18,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 126. [2021-11-05 13:26:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 125 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 160 transitions. [2021-11-05 13:26:18,316 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 160 transitions. Word has length 61 [2021-11-05 13:26:18,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:18,316 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 160 transitions. [2021-11-05 13:26:18,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:18,316 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 160 transitions. [2021-11-05 13:26:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-05 13:26:18,317 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:18,317 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:18,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 13:26:18,317 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:18,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:18,318 INFO L85 PathProgramCache]: Analyzing trace with hash -961072015, now seen corresponding path program 1 times [2021-11-05 13:26:18,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:18,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418371319] [2021-11-05 13:26:18,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:18,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:18,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:26:18,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:18,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418371319] [2021-11-05 13:26:18,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418371319] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:26:18,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698946599] [2021-11-05 13:26:18,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:18,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:26:18,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:26:18,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:26:18,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-05 13:26:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:18,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-05 13:26:18,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:26:18,719 INFO L354 Elim1Store]: treesize reduction 19, result has 50.0 percent of original size [2021-11-05 13:26:18,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-05 13:26:18,734 INFO L354 Elim1Store]: treesize reduction 47, result has 21.7 percent of original size [2021-11-05 13:26:18,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 54 [2021-11-05 13:26:19,880 INFO L354 Elim1Store]: treesize reduction 20, result has 59.2 percent of original size [2021-11-05 13:26:19,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 89 [2021-11-05 13:26:19,900 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-05 13:26:19,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 89 [2021-11-05 13:26:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:26:20,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:26:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:26:20,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698946599] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:26:20,185 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:26:20,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 8] total 16 [2021-11-05 13:26:20,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379202811] [2021-11-05 13:26:20,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:26:20,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-05 13:26:20,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:20,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-05 13:26:20,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2021-11-05 13:26:20,188 INFO L87 Difference]: Start difference. First operand 126 states and 160 transitions. Second operand has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:20,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:20,352 INFO L93 Difference]: Finished difference Result 280 states and 353 transitions. [2021-11-05 13:26:20,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-05 13:26:20,353 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-05 13:26:20,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:20,354 INFO L225 Difference]: With dead ends: 280 [2021-11-05 13:26:20,354 INFO L226 Difference]: Without dead ends: 185 [2021-11-05 13:26:20,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 325.91ms TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-11-05 13:26:20,355 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 96 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.03ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 248 IncrementalHoareTripleChecker+Unchecked, 119.72ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:20,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 1576 Invalid, 408 Unknown, 0 Unchecked, 3.03ms Time], IncrementalHoareTripleChecker [7 Valid, 153 Invalid, 0 Unknown, 248 Unchecked, 119.72ms Time] [2021-11-05 13:26:20,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-11-05 13:26:20,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 142. [2021-11-05 13:26:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 138 states have (on average 1.2971014492753623) internal successors, (179), 141 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:20,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-05 13:26:20,362 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-05 13:26:20,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:20,362 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-05 13:26:20,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-05 13:26:20,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-05 13:26:20,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:20,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:20,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-05 13:26:20,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-05 13:26:20,580 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:20,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:20,580 INFO L85 PathProgramCache]: Analyzing trace with hash 425713395, now seen corresponding path program 1 times [2021-11-05 13:26:20,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:20,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004768961] [2021-11-05 13:26:20,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:20,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:26:20,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:20,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004768961] [2021-11-05 13:26:20,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004768961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:20,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:20,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 13:26:20,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663018187] [2021-11-05 13:26:20,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:20,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:26:20,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:20,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:26:20,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:26:20,623 INFO L87 Difference]: Start difference. First operand 142 states and 179 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:20,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:20,692 INFO L93 Difference]: Finished difference Result 282 states and 364 transitions. [2021-11-05 13:26:20,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 13:26:20,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-05 13:26:20,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:20,695 INFO L225 Difference]: With dead ends: 282 [2021-11-05 13:26:20,695 INFO L226 Difference]: Without dead ends: 169 [2021-11-05 13:26:20,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.65ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:26:20,696 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 32 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.87ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.47ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:20,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 413 Invalid, 101 Unknown, 0 Unchecked, 0.87ms Time], IncrementalHoareTripleChecker [13 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 57.47ms Time] [2021-11-05 13:26:20,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-11-05 13:26:20,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 148. [2021-11-05 13:26:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 144 states have (on average 1.2777777777777777) internal successors, (184), 147 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 184 transitions. [2021-11-05 13:26:20,703 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 184 transitions. Word has length 65 [2021-11-05 13:26:20,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:20,703 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 184 transitions. [2021-11-05 13:26:20,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:20,704 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 184 transitions. [2021-11-05 13:26:20,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-05 13:26:20,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:20,705 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:20,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-05 13:26:20,705 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:20,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:20,707 INFO L85 PathProgramCache]: Analyzing trace with hash 869614069, now seen corresponding path program 1 times [2021-11-05 13:26:20,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:20,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430177471] [2021-11-05 13:26:20,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:20,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:26:20,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:20,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430177471] [2021-11-05 13:26:20,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430177471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:20,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:20,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-05 13:26:20,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179868551] [2021-11-05 13:26:20,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:20,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-05 13:26:20,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:20,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-05 13:26:20,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-05 13:26:20,824 INFO L87 Difference]: Start difference. First operand 148 states and 184 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:21,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:21,132 INFO L93 Difference]: Finished difference Result 258 states and 325 transitions. [2021-11-05 13:26:21,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-05 13:26:21,133 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-05 13:26:21,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:21,134 INFO L225 Difference]: With dead ends: 258 [2021-11-05 13:26:21,134 INFO L226 Difference]: Without dead ends: 137 [2021-11-05 13:26:21,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 130.34ms TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-05 13:26:21,135 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 344 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 176.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.20ms SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 202.22ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:21,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 413 Invalid, 237 Unknown, 0 Unchecked, 2.20ms Time], IncrementalHoareTripleChecker [50 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 202.22ms Time] [2021-11-05 13:26:21,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-05 13:26:21,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2021-11-05 13:26:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 131 states have (on average 1.2748091603053435) internal successors, (167), 134 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 167 transitions. [2021-11-05 13:26:21,142 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 167 transitions. Word has length 65 [2021-11-05 13:26:21,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:21,142 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 167 transitions. [2021-11-05 13:26:21,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 167 transitions. [2021-11-05 13:26:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-05 13:26:21,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:21,143 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:21,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-05 13:26:21,144 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:21,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:21,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1157655543, now seen corresponding path program 1 times [2021-11-05 13:26:21,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:21,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305994616] [2021-11-05 13:26:21,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:21,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:21,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:21,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305994616] [2021-11-05 13:26:21,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305994616] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:26:21,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466372358] [2021-11-05 13:26:21,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:21,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:26:21,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:26:21,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:26:21,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-05 13:26:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:21,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-05 13:26:21,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:26:21,519 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-05 13:26:21,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2021-11-05 13:26:23,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-11-05 13:26:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:23,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:26:23,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 349 treesize of output 333 [2021-11-05 13:26:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:26:23,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466372358] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:26:23,709 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:26:23,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 14] total 32 [2021-11-05 13:26:23,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150866059] [2021-11-05 13:26:23,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:26:23,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-05 13:26:23,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:23,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-05 13:26:23,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=852, Unknown=0, NotChecked=0, Total=992 [2021-11-05 13:26:23,712 INFO L87 Difference]: Start difference. First operand 135 states and 167 transitions. Second operand has 32 states, 32 states have (on average 4.40625) internal successors, (141), 32 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:24,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:24,494 INFO L93 Difference]: Finished difference Result 361 states and 449 transitions. [2021-11-05 13:26:24,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-05 13:26:24,495 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 4.40625) internal successors, (141), 32 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-05 13:26:24,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:24,496 INFO L225 Difference]: With dead ends: 361 [2021-11-05 13:26:24,496 INFO L226 Difference]: Without dead ends: 290 [2021-11-05 13:26:24,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 1378.44ms TimeCoverageRelationStatistics Valid=229, Invalid=1577, Unknown=0, NotChecked=0, Total=1806 [2021-11-05 13:26:24,498 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 417 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 413.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.00ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 498.69ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:24,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [417 Valid, 1975 Invalid, 948 Unknown, 0 Unchecked, 7.00ms Time], IncrementalHoareTripleChecker [17 Valid, 903 Invalid, 0 Unknown, 28 Unchecked, 498.69ms Time] [2021-11-05 13:26:24,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-05 13:26:24,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 159. [2021-11-05 13:26:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 155 states have (on average 1.2580645161290323) internal successors, (195), 158 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:24,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 195 transitions. [2021-11-05 13:26:24,506 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 195 transitions. Word has length 66 [2021-11-05 13:26:24,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:24,506 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 195 transitions. [2021-11-05 13:26:24,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.40625) internal successors, (141), 32 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:24,507 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 195 transitions. [2021-11-05 13:26:24,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-05 13:26:24,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:24,508 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:24,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-05 13:26:24,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-05 13:26:24,731 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:24,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:24,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1164925684, now seen corresponding path program 1 times [2021-11-05 13:26:24,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:24,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924523825] [2021-11-05 13:26:24,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:24,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:25,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 13:26:25,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:25,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924523825] [2021-11-05 13:26:25,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924523825] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:25,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:25,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-05 13:26:25,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211136243] [2021-11-05 13:26:25,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:25,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-05 13:26:25,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:25,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-05 13:26:25,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-05 13:26:25,087 INFO L87 Difference]: Start difference. First operand 159 states and 195 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:25,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:25,611 INFO L93 Difference]: Finished difference Result 257 states and 308 transitions. [2021-11-05 13:26:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-05 13:26:25,611 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-05 13:26:25,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:25,612 INFO L225 Difference]: With dead ends: 257 [2021-11-05 13:26:25,612 INFO L226 Difference]: Without dead ends: 215 [2021-11-05 13:26:25,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 322.29ms TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2021-11-05 13:26:25,613 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 611 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 187.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.40ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 244.55ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:25,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [611 Valid, 465 Invalid, 396 Unknown, 0 Unchecked, 3.40ms Time], IncrementalHoareTripleChecker [68 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 244.55ms Time] [2021-11-05 13:26:25,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-05 13:26:25,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 160. [2021-11-05 13:26:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 156 states have (on average 1.2564102564102564) internal successors, (196), 159 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:25,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 196 transitions. [2021-11-05 13:26:25,625 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 196 transitions. Word has length 67 [2021-11-05 13:26:25,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:25,626 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 196 transitions. [2021-11-05 13:26:25,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 196 transitions. [2021-11-05 13:26:25,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-05 13:26:25,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:25,628 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:25,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-05 13:26:25,628 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:25,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:25,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1166772726, now seen corresponding path program 1 times [2021-11-05 13:26:25,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:25,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074521879] [2021-11-05 13:26:25,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:25,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 13:26:25,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:25,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074521879] [2021-11-05 13:26:25,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074521879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:25,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:25,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-05 13:26:25,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939293989] [2021-11-05 13:26:25,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:25,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-05 13:26:25,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:25,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-05 13:26:25,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-05 13:26:25,833 INFO L87 Difference]: Start difference. First operand 160 states and 196 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:26,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:26,133 INFO L93 Difference]: Finished difference Result 319 states and 394 transitions. [2021-11-05 13:26:26,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-05 13:26:26,133 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-05 13:26:26,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:26,134 INFO L225 Difference]: With dead ends: 319 [2021-11-05 13:26:26,134 INFO L226 Difference]: Without dead ends: 175 [2021-11-05 13:26:26,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 164.02ms TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-11-05 13:26:26,135 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 594 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.27ms SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 159.34ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:26,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [594 Valid, 305 Invalid, 233 Unknown, 0 Unchecked, 2.27ms Time], IncrementalHoareTripleChecker [63 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 159.34ms Time] [2021-11-05 13:26:26,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-11-05 13:26:26,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2021-11-05 13:26:26,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 166 states have (on average 1.2409638554216869) internal successors, (206), 169 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 206 transitions. [2021-11-05 13:26:26,146 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 206 transitions. Word has length 67 [2021-11-05 13:26:26,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:26,147 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 206 transitions. [2021-11-05 13:26:26,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:26,147 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 206 transitions. [2021-11-05 13:26:26,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-05 13:26:26,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:26,149 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:26,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-05 13:26:26,149 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:26,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:26,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1353187208, now seen corresponding path program 1 times [2021-11-05 13:26:26,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:26,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907241890] [2021-11-05 13:26:26,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:26,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 13:26:26,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:26,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907241890] [2021-11-05 13:26:26,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907241890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:26:26,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:26:26,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-05 13:26:26,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612502813] [2021-11-05 13:26:26,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:26:26,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-05 13:26:26,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:26:26,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-05 13:26:26,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-05 13:26:26,412 INFO L87 Difference]: Start difference. First operand 170 states and 206 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:26,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:26:26,838 INFO L93 Difference]: Finished difference Result 481 states and 583 transitions. [2021-11-05 13:26:26,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-05 13:26:26,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-05 13:26:26,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:26:26,841 INFO L225 Difference]: With dead ends: 481 [2021-11-05 13:26:26,841 INFO L226 Difference]: Without dead ends: 327 [2021-11-05 13:26:26,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 192.87ms TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-05 13:26:26,842 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 554 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 200.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.24ms SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 256.97ms IncrementalHoareTripleChecker+Time [2021-11-05 13:26:26,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [554 Valid, 661 Invalid, 358 Unknown, 0 Unchecked, 3.24ms Time], IncrementalHoareTripleChecker [53 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 256.97ms Time] [2021-11-05 13:26:26,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2021-11-05 13:26:26,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 297. [2021-11-05 13:26:26,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 293 states have (on average 1.2218430034129693) internal successors, (358), 296 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 358 transitions. [2021-11-05 13:26:26,860 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 358 transitions. Word has length 67 [2021-11-05 13:26:26,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:26:26,860 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 358 transitions. [2021-11-05 13:26:26,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:26:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 358 transitions. [2021-11-05 13:26:26,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-05 13:26:26,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:26:26,861 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:26:26,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-05 13:26:26,862 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:26:26,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:26:26,862 INFO L85 PathProgramCache]: Analyzing trace with hash -673128838, now seen corresponding path program 1 times [2021-11-05 13:26:26,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:26:26,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085282262] [2021-11-05 13:26:26,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:26,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:26:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:27,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:26:27,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:26:27,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085282262] [2021-11-05 13:26:27,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085282262] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:26:27,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862755297] [2021-11-05 13:26:27,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:26:27,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:26:27,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:26:27,044 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:26:27,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-05 13:26:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:26:27,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-05 13:26:27,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:26:27,229 INFO L354 Elim1Store]: treesize reduction 19, result has 50.0 percent of original size [2021-11-05 13:26:27,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2021-11-05 13:26:47,190 WARN L230 SmtUtils]: Spent 9.91s on a formula simplification that was a NOOP. DAG size: 21 [2021-11-05 13:26:59,125 WARN L230 SmtUtils]: Spent 9.88s on a formula simplification that was a NOOP. DAG size: 25 [2021-11-05 13:27:11,179 WARN L230 SmtUtils]: Spent 9.87s on a formula simplification that was a NOOP. DAG size: 25 [2021-11-05 13:27:20,292 WARN L230 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 27 [2021-11-05 13:27:29,686 WARN L230 SmtUtils]: Spent 9.19s on a formula simplification that was a NOOP. DAG size: 26 [2021-11-05 13:27:35,774 WARN L230 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 24 [2021-11-05 13:27:44,961 WARN L230 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 24 [2021-11-05 13:27:55,038 WARN L230 SmtUtils]: Spent 9.72s on a formula simplification that was a NOOP. DAG size: 23 [2021-11-05 13:27:55,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:27:55,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:27:55,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 381 treesize of output 365 [2021-11-05 13:27:55,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:27:55,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862755297] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:27:55,506 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:27:55,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2021-11-05 13:27:55,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234444276] [2021-11-05 13:27:55,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:27:55,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-05 13:27:55,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:27:55,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-05 13:27:55,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=633, Unknown=7, NotChecked=0, Total=756 [2021-11-05 13:27:55,509 INFO L87 Difference]: Start difference. First operand 297 states and 358 transitions. Second operand has 28 states, 28 states have (on average 5.25) internal successors, (147), 28 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:05,593 WARN L230 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 23 [2021-11-05 13:28:25,410 WARN L230 SmtUtils]: Spent 19.81s on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-11-05 13:28:25,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:25,759 INFO L93 Difference]: Finished difference Result 617 states and 755 transitions. [2021-11-05 13:28:25,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-05 13:28:25,760 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.25) internal successors, (147), 28 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-05 13:28:25,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:25,762 INFO L225 Difference]: With dead ends: 617 [2021-11-05 13:28:25,762 INFO L226 Difference]: Without dead ends: 520 [2021-11-05 13:28:25,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 117083.89ms TimeCoverageRelationStatistics Valid=175, Invalid=940, Unknown=7, NotChecked=0, Total=1122 [2021-11-05 13:28:25,763 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 423 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 255.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1738 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.62ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 137 IncrementalHoareTripleChecker+Unchecked, 310.24ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:25,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 1738 Invalid, 675 Unknown, 0 Unchecked, 4.62ms Time], IncrementalHoareTripleChecker [25 Valid, 513 Invalid, 0 Unknown, 137 Unchecked, 310.24ms Time] [2021-11-05 13:28:25,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-11-05 13:28:25,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 333. [2021-11-05 13:28:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 329 states have (on average 1.2279635258358663) internal successors, (404), 332 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:25,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 404 transitions. [2021-11-05 13:28:25,784 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 404 transitions. Word has length 67 [2021-11-05 13:28:25,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:25,784 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 404 transitions. [2021-11-05 13:28:25,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.25) internal successors, (147), 28 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:25,785 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 404 transitions. [2021-11-05 13:28:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-05 13:28:25,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:25,786 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:28:25,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-05 13:28:25,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:26,000 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:28:26,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:26,000 INFO L85 PathProgramCache]: Analyzing trace with hash 27935740, now seen corresponding path program 1 times [2021-11-05 13:28:26,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:26,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517134990] [2021-11-05 13:28:26,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:26,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 13:28:26,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:26,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517134990] [2021-11-05 13:28:26,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517134990] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:28:26,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:28:26,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 13:28:26,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962142970] [2021-11-05 13:28:26,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:28:26,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 13:28:26,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:28:26,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 13:28:26,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:28:26,083 INFO L87 Difference]: Start difference. First operand 333 states and 404 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:26,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:26,133 INFO L93 Difference]: Finished difference Result 442 states and 542 transitions. [2021-11-05 13:28:26,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 13:28:26,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-05 13:28:26,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:26,135 INFO L225 Difference]: With dead ends: 442 [2021-11-05 13:28:26,135 INFO L226 Difference]: Without dead ends: 333 [2021-11-05 13:28:26,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 17.84ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-05 13:28:26,136 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 183 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.67ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.33ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:26,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 284 Invalid, 36 Unknown, 0 Unchecked, 0.67ms Time], IncrementalHoareTripleChecker [8 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 19.33ms Time] [2021-11-05 13:28:26,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-11-05 13:28:26,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2021-11-05 13:28:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 329 states have (on average 1.21580547112462) internal successors, (400), 332 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 400 transitions. [2021-11-05 13:28:26,164 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 400 transitions. Word has length 67 [2021-11-05 13:28:26,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:26,165 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 400 transitions. [2021-11-05 13:28:26,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 400 transitions. [2021-11-05 13:28:26,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-05 13:28:26,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:26,169 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:28:26,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-05 13:28:26,169 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:28:26,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:26,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1384277337, now seen corresponding path program 1 times [2021-11-05 13:28:26,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:26,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867114413] [2021-11-05 13:28:26,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:26,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 13:28:26,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:26,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867114413] [2021-11-05 13:28:26,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867114413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:28:26,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:28:26,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 13:28:26,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538935678] [2021-11-05 13:28:26,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:28:26,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 13:28:26,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:28:26,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 13:28:26,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-05 13:28:26,254 INFO L87 Difference]: Start difference. First operand 333 states and 400 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:26,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:26,330 INFO L93 Difference]: Finished difference Result 392 states and 469 transitions. [2021-11-05 13:28:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 13:28:26,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-05 13:28:26,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:26,331 INFO L225 Difference]: With dead ends: 392 [2021-11-05 13:28:26,331 INFO L226 Difference]: Without dead ends: 333 [2021-11-05 13:28:26,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.95ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-05 13:28:26,333 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 403 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.79ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.08ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:26,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [403 Valid, 152 Invalid, 74 Unknown, 0 Unchecked, 0.79ms Time], IncrementalHoareTripleChecker [22 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 42.08ms Time] [2021-11-05 13:28:26,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-11-05 13:28:26,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2021-11-05 13:28:26,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 329 states have (on average 1.209726443768997) internal successors, (398), 332 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:26,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 398 transitions. [2021-11-05 13:28:26,352 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 398 transitions. Word has length 69 [2021-11-05 13:28:26,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:26,352 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 398 transitions. [2021-11-05 13:28:26,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:26,352 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 398 transitions. [2021-11-05 13:28:26,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-05 13:28:26,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:26,353 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:28:26,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-05 13:28:26,354 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:28:26,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:26,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1855626906, now seen corresponding path program 1 times [2021-11-05 13:28:26,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:26,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003018503] [2021-11-05 13:28:26,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:26,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:28:26,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:26,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003018503] [2021-11-05 13:28:26,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003018503] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:28:26,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930167955] [2021-11-05 13:28:26,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:26,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:26,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:28:26,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:28:26,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-05 13:28:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:26,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-05 13:28:26,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:28:26,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:26,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:26,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-05 13:28:26,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:26,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:26,906 INFO L354 Elim1Store]: treesize reduction 68, result has 29.2 percent of original size [2021-11-05 13:28:26,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 48 [2021-11-05 13:28:27,611 INFO L354 Elim1Store]: treesize reduction 36, result has 25.0 percent of original size [2021-11-05 13:28:27,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 36 [2021-11-05 13:28:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:28:27,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:28:29,386 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0.offset Int)) (not (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0.base (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0.base) ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0.offset (+ 16 c_ULTIMATE.start_ensure_linked_list_is_allocated_~list.offset))))) (store .cse0 c_ULTIMATE.start_ensure_linked_list_is_allocated_~list.base (store (select .cse0 c_ULTIMATE.start_ensure_linked_list_is_allocated_~list.base) (+ c_ULTIMATE.start_ensure_linked_list_is_allocated_~list.offset 24) ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0.offset))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0.base|) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0.offset|) (+ 16 |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0.offset|)))) is different from false [2021-11-05 13:28:29,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12774 treesize of output 12646 [2021-11-05 13:28:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 1 not checked. [2021-11-05 13:28:30,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930167955] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:28:30,765 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:28:30,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2021-11-05 13:28:30,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056701241] [2021-11-05 13:28:30,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:28:30,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-05 13:28:30,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:28:30,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-05 13:28:30,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=540, Unknown=1, NotChecked=46, Total=650 [2021-11-05 13:28:30,767 INFO L87 Difference]: Start difference. First operand 333 states and 398 transitions. Second operand has 26 states, 26 states have (on average 4.769230769230769) internal successors, (124), 26 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:32,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:32,541 INFO L93 Difference]: Finished difference Result 580 states and 690 transitions. [2021-11-05 13:28:32,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-05 13:28:32,542 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.769230769230769) internal successors, (124), 26 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-05 13:28:32,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:32,544 INFO L225 Difference]: With dead ends: 580 [2021-11-05 13:28:32,544 INFO L226 Difference]: Without dead ends: 456 [2021-11-05 13:28:32,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 125 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 3178.24ms TimeCoverageRelationStatistics Valid=173, Invalid=1311, Unknown=2, NotChecked=74, Total=1560 [2021-11-05 13:28:32,545 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 1035 mSDsluCounter, 2122 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 359.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 2280 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.45ms SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 528 IncrementalHoareTripleChecker+Unchecked, 429.99ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:32,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1035 Valid, 2280 Invalid, 1282 Unknown, 0 Unchecked, 6.45ms Time], IncrementalHoareTripleChecker [55 Valid, 699 Invalid, 0 Unknown, 528 Unchecked, 429.99ms Time] [2021-11-05 13:28:32,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-11-05 13:28:32,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 292. [2021-11-05 13:28:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 288 states have (on average 1.2118055555555556) internal successors, (349), 291 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 349 transitions. [2021-11-05 13:28:32,566 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 349 transitions. Word has length 69 [2021-11-05 13:28:32,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:32,566 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 349 transitions. [2021-11-05 13:28:32,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.769230769230769) internal successors, (124), 26 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:32,566 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 349 transitions. [2021-11-05 13:28:32,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-05 13:28:32,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:32,567 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:28:32,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-05 13:28:32,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:32,784 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:28:32,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:32,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1868731461, now seen corresponding path program 1 times [2021-11-05 13:28:32,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:32,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397467420] [2021-11-05 13:28:32,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:32,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:28:32,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:32,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397467420] [2021-11-05 13:28:32,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397467420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:28:32,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:28:32,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 13:28:32,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686479456] [2021-11-05 13:28:32,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:28:32,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:28:32,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:28:32,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:28:32,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:28:32,828 INFO L87 Difference]: Start difference. First operand 292 states and 349 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:32,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:32,897 INFO L93 Difference]: Finished difference Result 612 states and 732 transitions. [2021-11-05 13:28:32,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:28:32,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-11-05 13:28:32,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:32,899 INFO L225 Difference]: With dead ends: 612 [2021-11-05 13:28:32,899 INFO L226 Difference]: Without dead ends: 395 [2021-11-05 13:28:32,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.31ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:28:32,900 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 94 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.60ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.53ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:32,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 372 Invalid, 74 Unknown, 0 Unchecked, 0.60ms Time], IncrementalHoareTripleChecker [17 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 39.53ms Time] [2021-11-05 13:28:32,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2021-11-05 13:28:32,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 273. [2021-11-05 13:28:32,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 269 states have (on average 1.1970260223048328) internal successors, (322), 272 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:32,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 322 transitions. [2021-11-05 13:28:32,932 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 322 transitions. Word has length 73 [2021-11-05 13:28:32,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:32,932 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 322 transitions. [2021-11-05 13:28:32,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:32,932 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 322 transitions. [2021-11-05 13:28:32,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-05 13:28:32,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:32,934 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:28:32,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-05 13:28:32,934 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:28:32,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:32,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1989846601, now seen corresponding path program 1 times [2021-11-05 13:28:32,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:32,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039781845] [2021-11-05 13:28:32,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:32,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 13:28:33,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:33,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039781845] [2021-11-05 13:28:33,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039781845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:28:33,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:28:33,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-05 13:28:33,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492013968] [2021-11-05 13:28:33,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:28:33,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 13:28:33,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:28:33,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 13:28:33,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-05 13:28:33,084 INFO L87 Difference]: Start difference. First operand 273 states and 322 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:33,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:33,416 INFO L93 Difference]: Finished difference Result 698 states and 814 transitions. [2021-11-05 13:28:33,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 13:28:33,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-11-05 13:28:33,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:33,418 INFO L225 Difference]: With dead ends: 698 [2021-11-05 13:28:33,419 INFO L226 Difference]: Without dead ends: 524 [2021-11-05 13:28:33,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 134.33ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-05 13:28:33,420 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 318 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 163.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.62ms SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 201.02ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:33,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [318 Valid, 719 Invalid, 328 Unknown, 0 Unchecked, 1.62ms Time], IncrementalHoareTripleChecker [50 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 201.02ms Time] [2021-11-05 13:28:33,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-11-05 13:28:33,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 301. [2021-11-05 13:28:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 297 states have (on average 1.1885521885521886) internal successors, (353), 300 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 353 transitions. [2021-11-05 13:28:33,442 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 353 transitions. Word has length 73 [2021-11-05 13:28:33,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:33,442 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 353 transitions. [2021-11-05 13:28:33,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:33,443 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 353 transitions. [2021-11-05 13:28:33,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-05 13:28:33,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:33,443 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:28:33,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-05 13:28:33,444 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:28:33,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:33,444 INFO L85 PathProgramCache]: Analyzing trace with hash 363160585, now seen corresponding path program 1 times [2021-11-05 13:28:33,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:33,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253443544] [2021-11-05 13:28:33,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:33,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:28:33,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:33,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253443544] [2021-11-05 13:28:33,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253443544] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:28:33,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270369132] [2021-11-05 13:28:33,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:33,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:33,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:28:33,612 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:28:33,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-05 13:28:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:33,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-05 13:28:33,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:28:33,786 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-05 13:28:33,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 50 [2021-11-05 13:28:33,802 INFO L354 Elim1Store]: treesize reduction 31, result has 50.0 percent of original size [2021-11-05 13:28:33,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 54 [2021-11-05 13:28:37,885 INFO L354 Elim1Store]: treesize reduction 20, result has 59.2 percent of original size [2021-11-05 13:28:37,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 92 [2021-11-05 13:28:37,900 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-05 13:28:37,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 95 [2021-11-05 13:28:37,973 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:28:37,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:28:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:28:38,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270369132] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:28:38,436 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:28:38,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 11] total 27 [2021-11-05 13:28:38,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081483167] [2021-11-05 13:28:38,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:28:38,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-05 13:28:38,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:28:38,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-05 13:28:38,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2021-11-05 13:28:38,438 INFO L87 Difference]: Start difference. First operand 301 states and 353 transitions. Second operand has 27 states, 27 states have (on average 6.703703703703703) internal successors, (181), 27 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:39,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:39,395 INFO L93 Difference]: Finished difference Result 803 states and 935 transitions. [2021-11-05 13:28:39,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-05 13:28:39,397 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.703703703703703) internal successors, (181), 27 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-11-05 13:28:39,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:39,400 INFO L225 Difference]: With dead ends: 803 [2021-11-05 13:28:39,400 INFO L226 Difference]: Without dead ends: 675 [2021-11-05 13:28:39,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 3049.50ms TimeCoverageRelationStatistics Valid=263, Invalid=2493, Unknown=0, NotChecked=0, Total=2756 [2021-11-05 13:28:39,401 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 508 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 289.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 2840 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.86ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 307 IncrementalHoareTripleChecker+Unchecked, 354.69ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:39,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 2840 Invalid, 1082 Unknown, 0 Unchecked, 3.86ms Time], IncrementalHoareTripleChecker [32 Valid, 743 Invalid, 0 Unknown, 307 Unchecked, 354.69ms Time] [2021-11-05 13:28:39,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2021-11-05 13:28:39,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 339. [2021-11-05 13:28:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 335 states have (on average 1.191044776119403) internal successors, (399), 338 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 399 transitions. [2021-11-05 13:28:39,437 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 399 transitions. Word has length 73 [2021-11-05 13:28:39,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:39,437 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 399 transitions. [2021-11-05 13:28:39,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.703703703703703) internal successors, (181), 27 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 399 transitions. [2021-11-05 13:28:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-05 13:28:39,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:39,438 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:28:39,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-05 13:28:39,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-05 13:28:39,647 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:28:39,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:39,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1393591856, now seen corresponding path program 1 times [2021-11-05 13:28:39,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:39,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738045474] [2021-11-05 13:28:39,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:39,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-05 13:28:39,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:39,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738045474] [2021-11-05 13:28:39,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738045474] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:28:39,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378592690] [2021-11-05 13:28:39,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:39,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:39,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:28:39,820 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:28:39,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-05 13:28:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:39,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-05 13:28:39,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:28:39,984 INFO L354 Elim1Store]: treesize reduction 19, result has 50.0 percent of original size [2021-11-05 13:28:39,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-05 13:28:40,001 INFO L354 Elim1Store]: treesize reduction 47, result has 21.7 percent of original size [2021-11-05 13:28:40,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 54 [2021-11-05 13:28:41,866 INFO L354 Elim1Store]: treesize reduction 48, result has 40.0 percent of original size [2021-11-05 13:28:41,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 94 treesize of output 92 [2021-11-05 13:28:41,894 INFO L354 Elim1Store]: treesize reduction 22, result has 64.5 percent of original size [2021-11-05 13:28:41,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 92 [2021-11-05 13:28:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:28:42,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:28:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:28:42,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378592690] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:28:42,600 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:28:42,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 11] total 33 [2021-11-05 13:28:42,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448129539] [2021-11-05 13:28:42,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:28:42,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-05 13:28:42,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:28:42,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-05 13:28:42,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=948, Unknown=0, NotChecked=0, Total=1056 [2021-11-05 13:28:42,602 INFO L87 Difference]: Start difference. First operand 339 states and 399 transitions. Second operand has 33 states, 33 states have (on average 5.7272727272727275) internal successors, (189), 33 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:44,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:44,080 INFO L93 Difference]: Finished difference Result 1050 states and 1228 transitions. [2021-11-05 13:28:44,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-05 13:28:44,080 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 5.7272727272727275) internal successors, (189), 33 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-11-05 13:28:44,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:44,083 INFO L225 Difference]: With dead ends: 1050 [2021-11-05 13:28:44,083 INFO L226 Difference]: Without dead ends: 906 [2021-11-05 13:28:44,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 133 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 1347.74ms TimeCoverageRelationStatistics Valid=316, Invalid=2134, Unknown=0, NotChecked=0, Total=2450 [2021-11-05 13:28:44,085 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 538 mSDsluCounter, 4255 mSDsCounter, 0 mSdLazyCounter, 1471 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 582.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 4474 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.73ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 425 IncrementalHoareTripleChecker+Unchecked, 702.08ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:44,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [538 Valid, 4474 Invalid, 1920 Unknown, 0 Unchecked, 6.73ms Time], IncrementalHoareTripleChecker [24 Valid, 1471 Invalid, 0 Unknown, 425 Unchecked, 702.08ms Time] [2021-11-05 13:28:44,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2021-11-05 13:28:44,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 399. [2021-11-05 13:28:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 395 states have (on average 1.1721518987341772) internal successors, (463), 398 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:44,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 463 transitions. [2021-11-05 13:28:44,129 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 463 transitions. Word has length 74 [2021-11-05 13:28:44,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:44,130 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 463 transitions. [2021-11-05 13:28:44,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.7272727272727275) internal successors, (189), 33 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:44,130 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 463 transitions. [2021-11-05 13:28:44,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-05 13:28:44,131 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:44,131 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:28:44,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-05 13:28:44,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:44,335 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:28:44,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:44,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1620082764, now seen corresponding path program 2 times [2021-11-05 13:28:44,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:44,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159452933] [2021-11-05 13:28:44,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:44,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 13:28:44,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:44,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159452933] [2021-11-05 13:28:44,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159452933] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:28:44,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242022168] [2021-11-05 13:28:44,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-05 13:28:44,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:44,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:28:44,512 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:28:44,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-05 13:28:44,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-05 13:28:44,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-05 13:28:44,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-05 13:28:44,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:28:44,659 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-05 13:28:44,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 50 [2021-11-05 13:28:44,675 INFO L354 Elim1Store]: treesize reduction 31, result has 50.0 percent of original size [2021-11-05 13:28:44,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 54 [2021-11-05 13:28:47,257 INFO L354 Elim1Store]: treesize reduction 20, result has 59.2 percent of original size [2021-11-05 13:28:47,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 92 [2021-11-05 13:28:47,271 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-05 13:28:47,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 95 [2021-11-05 13:28:47,332 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-05 13:28:47,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 13:28:47,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242022168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:28:47,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 13:28:47,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 20 [2021-11-05 13:28:47,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453696800] [2021-11-05 13:28:47,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:28:47,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-05 13:28:47,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:28:47,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-05 13:28:47,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-11-05 13:28:47,333 INFO L87 Difference]: Start difference. First operand 399 states and 463 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:47,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:47,399 INFO L93 Difference]: Finished difference Result 496 states and 582 transitions. [2021-11-05 13:28:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-05 13:28:47,403 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-11-05 13:28:47,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:47,404 INFO L225 Difference]: With dead ends: 496 [2021-11-05 13:28:47,404 INFO L226 Difference]: Without dead ends: 392 [2021-11-05 13:28:47,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1053.78ms TimeCoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-11-05 13:28:47,405 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 32 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.68ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 140 IncrementalHoareTripleChecker+Unchecked, 17.25ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:47,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 841 Invalid, 170 Unknown, 0 Unchecked, 0.68ms Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 140 Unchecked, 17.25ms Time] [2021-11-05 13:28:47,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2021-11-05 13:28:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 306. [2021-11-05 13:28:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 302 states have (on average 1.1754966887417218) internal successors, (355), 305 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 355 transitions. [2021-11-05 13:28:47,441 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 355 transitions. Word has length 75 [2021-11-05 13:28:47,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:47,442 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 355 transitions. [2021-11-05 13:28:47,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:28:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 355 transitions. [2021-11-05 13:28:47,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-05 13:28:47,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:47,443 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:28:47,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-05 13:28:47,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:47,660 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:28:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash 841974699, now seen corresponding path program 1 times [2021-11-05 13:28:47,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:47,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484957492] [2021-11-05 13:28:47,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:47,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:28:48,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:48,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484957492] [2021-11-05 13:28:48,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484957492] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:28:48,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054592454] [2021-11-05 13:28:48,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:48,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:48,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:28:48,061 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:28:48,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-05 13:28:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:48,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-05 13:28:48,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:28:48,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2021-11-05 13:28:48,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:48,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2021-11-05 13:28:49,634 INFO L354 Elim1Store]: treesize reduction 58, result has 4.9 percent of original size [2021-11-05 13:28:49,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 154 treesize of output 88 [2021-11-05 13:28:49,641 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-11-05 13:28:49,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 31 [2021-11-05 13:28:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:28:49,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:28:50,550 INFO L354 Elim1Store]: treesize reduction 331, result has 32.4 percent of original size [2021-11-05 13:28:50,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 5638 treesize of output 5160 [2021-11-05 13:28:50,786 INFO L354 Elim1Store]: treesize reduction 453, result has 25.0 percent of original size [2021-11-05 13:28:50,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 29 case distinctions, treesize of input 27125 treesize of output 25521 [2021-11-05 13:28:52,201 INFO L354 Elim1Store]: treesize reduction 20, result has 67.2 percent of original size [2021-11-05 13:28:52,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 18219 treesize of output 17635 [2021-11-05 13:28:52,341 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-11-05 13:28:52,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 17635 treesize of output 17251 [2021-11-05 13:28:53,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:53,872 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-05 13:28:53,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2307 treesize of output 2291 [2021-11-05 13:28:54,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:54,501 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-05 13:28:54,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2307 treesize of output 2291 [2021-11-05 13:28:56,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:56,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:56,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:28:56,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:56,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:56,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:28:56,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:56,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:56,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:28:57,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:57,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:57,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:28:57,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:57,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:57,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:28:57,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:57,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:57,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:28:58,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:58,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:58,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:28:58,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:58,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:58,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:28:58,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:58,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:58,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:28:59,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:59,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:59,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:28:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:59,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:59,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:28:59,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:59,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:59,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:28:59,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:28:59,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:28:59,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:00,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:00,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:00,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:00,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:00,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:00,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:00,625 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-05 13:29:00,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 4925 treesize of output 1 [2021-11-05 13:29:01,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:01,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:01,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:29:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:01,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:01,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:29:02,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:02,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:02,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:02,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:02,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:02,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:02,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:02,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:03,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:03,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:03,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:04,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:04,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:04,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:04,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:04,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:05,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:05,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:05,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:05,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:05,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:05,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:05,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:05,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:06,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:06,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:06,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:06,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:06,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:06,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:06,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:06,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:06,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:29:07,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:07,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:07,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:29:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:07,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:07,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:08,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:08,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:08,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:08,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:08,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:08,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:08,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:08,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:09,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:09,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:09,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:09,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:09,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:09,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:09,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:09,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:10,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:10,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:10,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:10,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:10,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:10,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:10,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:10,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:10,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:10,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:10,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:10,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:10,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:10,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3063 treesize of output 2993 [2021-11-05 13:29:11,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:11,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:11,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3633 treesize of output 3531 [2021-11-05 13:29:12,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:12,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:12,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:29:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:12,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:12,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:29:13,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:13,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:13,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:13,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:13,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:13,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:13,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:13,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:13,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:14,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:14,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:14,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:14,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:14,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:14,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:14,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:14,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:14,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:14,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:14,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:14,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:14,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:14,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:14,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:14,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:14,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:15,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:15,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:15,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:15,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:15,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:15,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:16,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:16,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:16,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:29:16,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:16,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:16,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:29:17,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:17,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:17,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:17,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:17,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:17,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:17,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:17,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:17,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:17,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:17,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:18,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:18,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:18,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:18,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:18,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:18,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:18,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:18,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:18,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:18,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:18,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:19,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:19,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:19,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:19,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:19,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:19,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:19,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:20,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:20,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:20,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:20,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:20,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:20,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:29:20,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:20,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:20,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2507 treesize of output 2461 [2021-11-05 13:29:21,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:21,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:21,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:21,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:21,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:21,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:21,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:21,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:22,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:22,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:22,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:22,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:22,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:22,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:22,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:22,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:23,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:23,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:23,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:23,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:23,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:23,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:23,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:23,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2675 treesize of output 2617 [2021-11-05 13:29:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:24,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:24,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:24,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:24,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:24,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:24,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:24,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:24,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2307 treesize of output 2269 [2021-11-05 13:29:24,927 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-05 13:29:24,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2021-11-05 13:29:28,239 INFO L354 Elim1Store]: treesize reduction 27, result has 27.0 percent of original size [2021-11-05 13:29:28,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 25 [2021-11-05 13:29:28,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:28,478 INFO L354 Elim1Store]: treesize reduction 32, result has 49.2 percent of original size [2021-11-05 13:29:28,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 2317 treesize of output 2303 [2021-11-05 13:29:29,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:29,165 INFO L354 Elim1Store]: treesize reduction 32, result has 49.2 percent of original size [2021-11-05 13:29:29,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 2317 treesize of output 2303 [2021-11-05 13:29:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:31,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:31,701 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:31,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:32,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:32,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:32,009 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:32,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:32,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:32,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:32,168 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:32,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:32,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:32,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:32,799 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:32,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:32,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:32,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:32,900 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:32,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:33,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:33,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:33,097 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:33,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:33,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:33,405 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:33,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:33,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:33,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:33,503 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:33,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:33,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:33,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:33,708 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:33,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:34,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:34,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:34,085 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:34,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:34,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:34,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:34,183 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:34,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:34,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:34,400 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:34,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:34,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:34,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:34,620 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:34,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:34,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:34,794 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:34,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 3643 treesize of output 1 [2021-11-05 13:29:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:35,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:35,336 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:35,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:35,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:35,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:35,667 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:35,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:35,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:35,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:35,814 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:35,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:36,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:36,465 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:36,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:36,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:36,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:36,559 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:36,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:36,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:36,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:36,759 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:36,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:37,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:37,057 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:37,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:37,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:37,159 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:37,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:37,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:37,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:37,352 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:37,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:37,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:37,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:37,715 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:37,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:37,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:37,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:37,812 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:37,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:38,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:38,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:38,016 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:38,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:38,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:38,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:38,220 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:38,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:39,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:39,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:39,456 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:39,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:39,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:39,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:39,753 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:39,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:39,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:39,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:39,898 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:39,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:40,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:40,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:40,521 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:40,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:40,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:40,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:40,625 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:40,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:40,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:40,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:40,822 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:40,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:41,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:41,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:41,111 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:41,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:41,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:41,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:41,206 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:41,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:41,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:41,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:41,398 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:41,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:41,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:41,757 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:41,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:41,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:41,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:41,851 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:41,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:42,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:42,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:42,085 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:42,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:42,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:42,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:42,329 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:42,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:42,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:42,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:42,851 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:42,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:43,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:43,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:43,159 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:43,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:43,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:43,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:43,306 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:43,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:43,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:43,939 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:43,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:44,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:44,037 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:44,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:44,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:44,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:44,238 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:44,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:44,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:44,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:44,531 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:44,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:44,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:44,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:44,647 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:44,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:44,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:44,847 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:44,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:45,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:45,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:45,213 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:45,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:45,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:45,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:45,311 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:45,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:45,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:45,507 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:45,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:45,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:45,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:45,764 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:45,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:45,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:45,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:45,909 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:45,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 3073 treesize of output 1 [2021-11-05 13:29:45,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:45,990 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-05 13:29:45,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 4935 treesize of output 1 [2021-11-05 13:29:46,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:46,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:46,561 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:46,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:46,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:46,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:46,863 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:46,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:46,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:46,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:47,002 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:47,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:47,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:47,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:47,656 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:47,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:47,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:47,785 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:47,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:47,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:47,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:47,991 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:47,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:48,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:48,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:48,305 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:48,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:48,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:48,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:48,402 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:48,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:48,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:48,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:48,607 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:48,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:48,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:48,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:48,980 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:48,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:49,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:49,077 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:49,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:49,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:49,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:49,281 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:49,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:49,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:49,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:49,470 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:49,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:49,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:49,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:49,560 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:49,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:49,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:49,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:49,651 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:49,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:50,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:50,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:50,291 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:50,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:50,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:50,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:50,632 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:50,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:50,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:50,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:50,836 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:50,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2517 treesize of output 1 [2021-11-05 13:29:51,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:51,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:51,515 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:51,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:51,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:51,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:51,618 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:51,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:51,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:51,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:51,826 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:51,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:52,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:52,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:52,124 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:52,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:52,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:52,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:52,221 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:52,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:52,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:52,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:52,417 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:52,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:52,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:52,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:52,788 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:52,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:52,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:52,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:52,882 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:52,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:53,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:53,090 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:53,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-05 13:29:53,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:53,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:53,257 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:53,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:53,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:53,344 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:53,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:53,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:29:53,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:53,432 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-05 13:29:53,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2317 treesize of output 1 [2021-11-05 13:29:58,923 INFO L354 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2021-11-05 13:29:58,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-05 13:29:59,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:29:59,678 INFO L354 Elim1Store]: treesize reduction 9, result has 66.7 percent of original size [2021-11-05 13:29:59,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2309 treesize of output 2286 [2021-11-05 13:30:00,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:00,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:00,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:00,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:00,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:00,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:00,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:00,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:00,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:00,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:00,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:01,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:01,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:01,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:01,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:01,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:02,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:02,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:02,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:02,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:02,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:02,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:02,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:02,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:03,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:03,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:03,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:03,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:03,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:03,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:03,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:04,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:04,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:04,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:04,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:04,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:04,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:04,893 INFO L354 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2021-11-05 13:30:04,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 4927 treesize of output 4830 [2021-11-05 13:30:07,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:07,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:07,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:07,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:07,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:07,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:07,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:07,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:07,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:07,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:07,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:07,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:08,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:08,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:08,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:08,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:08,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:08,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:08,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:08,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:09,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:09,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:09,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:10,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:10,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:10,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:10,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:10,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:10,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:10,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:10,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:10,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:10,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:10,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:11,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:11,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:11,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:11,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:11,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:11,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3635 treesize of output 3531 [2021-11-05 13:30:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:12,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:12,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:12,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:12,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:12,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:12,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:12,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:12,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:12,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:12,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:13,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:13,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:13,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:13,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:13,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:13,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:13,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:13,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:14,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:14,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:14,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:14,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:14,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:14,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:14,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:14,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:14,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:15,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:15,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:15,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:15,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:15,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:15,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:15,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:15,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:15,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:16,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:16,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:17,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:17,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:17,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:17,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:17,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:17,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:17,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:17,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:17,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:18,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:18,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:18,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:19,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:19,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:19,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:19,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:19,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:20,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:20,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:20,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:20,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:20,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:20,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:20,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:20,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:20,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:21,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:21,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:21,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:21,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:21,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:21,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:22,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:22,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:22,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:23,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:23,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:23,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:23,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:23,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:23,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:24,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:24,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:24,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:24,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:24,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:24,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:24,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:25,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:25,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:25,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:25,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:25,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:25,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:25,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:25,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:25,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:25,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:26,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:26,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:26,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:26,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:26,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:26,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:26,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:26,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:27,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:27,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:27,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:27,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:27,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:27,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3065 treesize of output 2993 [2021-11-05 13:30:28,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:28,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:28,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:28,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:28,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:28,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:28,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:28,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:28,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2309 treesize of output 2269 [2021-11-05 13:30:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:28,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:28,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:29,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:29,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2509 treesize of output 2461 [2021-11-05 13:30:29,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:29,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:29,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:30,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:30,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:30,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:30,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:30,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:30,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:30,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:30,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:31,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:31,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:31,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:31,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:31,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:31,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:31,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:32,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:32,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:32,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:32,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:30:32,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:32,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2617 [2021-11-05 13:30:32,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:32,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:32,537 INFO L354 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2021-11-05 13:30:32,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 2309 treesize of output 2276 [2021-11-05 13:30:32,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:32,810 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-11-05 13:30:32,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2309 treesize of output 1 [2021-11-05 13:30:32,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:32,944 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-11-05 13:30:32,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2309 treesize of output 1 [2021-11-05 13:30:35,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:35,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2299 treesize of output 2265 [2021-11-05 13:30:36,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:36,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2299 treesize of output 2265 [2021-11-05 13:30:37,510 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:38,134 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:38,247 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:38,918 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:38,966 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:39,094 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:39,440 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:39,489 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:39,614 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:39,998 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:40,049 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:40,176 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:40,372 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:40,523 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:41,430 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:41,544 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:42,212 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:42,265 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:42,386 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:42,729 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:42,779 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:42,903 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:43,287 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:43,334 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:43,457 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:43,656 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:43,806 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:44,253 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:45,052 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:45,164 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:45,828 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:45,879 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:46,003 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:46,343 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:46,400 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:46,519 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:46,913 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:46,965 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:47,085 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:47,267 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:47,406 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:47,991 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:48,108 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:48,786 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:48,838 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:48,956 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:49,304 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:49,355 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:49,471 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:49,852 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:49,902 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:50,023 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:50,204 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:50,334 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:50,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:30:50,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 4917 treesize of output 4819 [2021-11-05 13:30:53,175 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:53,656 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:53,767 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:54,428 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:54,478 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:54,599 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:54,943 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:54,990 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:55,115 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:55,511 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:55,559 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:55,681 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:55,842 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:55,953 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:55,991 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:56,344 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:56,825 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:56,965 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:57,622 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:57,668 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:57,792 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:58,155 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:58,202 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:58,324 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:58,708 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:58,755 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:58,876 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:59,026 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:59,141 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:59,174 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:30:59,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-11-05 13:31:00,565 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:00,604 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:00,776 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:01,022 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:01,276 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:01,467 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:01,688 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:01,891 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:04,264 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:04,614 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:05,054 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:05,818 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:07,411 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:07,835 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:07,889 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:07,977 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:08,101 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:08,739 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:09,051 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:09,090 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:09,227 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:10,185 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:10,285 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:10,690 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:10,779 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:11,076 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:12,266 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:12,332 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:13,333 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:14,046 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:15,654 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:17,680 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:18,070 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:18,793 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:19,913 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:20,077 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:20,115 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:20,262 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:31:23,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-11-05 13:31:23,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:31:23,630 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-05 13:31:23,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 119 [2021-11-05 13:31:24,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-11-05 13:31:25,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:31:25,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-11-05 13:31:26,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:31:26,700 INFO L354 Elim1Store]: treesize reduction 10, result has 88.5 percent of original size [2021-11-05 13:31:26,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 558 [2021-11-05 13:31:33,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-05 13:31:33,771 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-05 13:31:33,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 56 [2021-11-05 13:31:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:31:33,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054592454] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:31:33,992 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:31:33,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22, 22] total 47 [2021-11-05 13:31:33,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185665307] [2021-11-05 13:31:33,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:31:33,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2021-11-05 13:31:33,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:31:33,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-11-05 13:31:33,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=1893, Unknown=0, NotChecked=0, Total=2162 [2021-11-05 13:31:33,994 INFO L87 Difference]: Start difference. First operand 306 states and 355 transitions. Second operand has 47 states, 47 states have (on average 3.702127659574468) internal successors, (174), 47 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:31:42,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:31:42,443 INFO L93 Difference]: Finished difference Result 1086 states and 1218 transitions. [2021-11-05 13:31:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-11-05 13:31:42,444 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 3.702127659574468) internal successors, (174), 47 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-05 13:31:42,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:31:42,446 INFO L225 Difference]: With dead ends: 1086 [2021-11-05 13:31:42,447 INFO L226 Difference]: Without dead ends: 930 [2021-11-05 13:31:42,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 121 SyntacticMatches, 4 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5255 ImplicationChecksByTransitivity, 7316.54ms TimeCoverageRelationStatistics Valid=4365, Invalid=13457, Unknown=0, NotChecked=0, Total=17822 [2021-11-05 13:31:42,452 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 4195 mSDsluCounter, 3462 mSDsCounter, 0 mSdLazyCounter, 3086 mSolverCounterSat, 710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1668.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4195 SdHoareTripleChecker+Valid, 3554 SdHoareTripleChecker+Invalid, 3796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.63ms SdHoareTripleChecker+Time, 710 IncrementalHoareTripleChecker+Valid, 3086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1961.71ms IncrementalHoareTripleChecker+Time [2021-11-05 13:31:42,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4195 Valid, 3554 Invalid, 3796 Unknown, 0 Unchecked, 13.63ms Time], IncrementalHoareTripleChecker [710 Valid, 3086 Invalid, 0 Unknown, 0 Unchecked, 1961.71ms Time] [2021-11-05 13:31:42,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2021-11-05 13:31:42,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 388. [2021-11-05 13:31:42,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 384 states have (on average 1.1875) internal successors, (456), 387 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:31:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 456 transitions. [2021-11-05 13:31:42,493 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 456 transitions. Word has length 77 [2021-11-05 13:31:42,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:31:42,494 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 456 transitions. [2021-11-05 13:31:42,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.702127659574468) internal successors, (174), 47 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:31:42,494 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 456 transitions. [2021-11-05 13:31:42,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-05 13:31:42,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:31:42,495 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:31:42,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-05 13:31:42,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-05 13:31:42,712 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:31:42,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:31:42,712 INFO L85 PathProgramCache]: Analyzing trace with hash 32628073, now seen corresponding path program 1 times [2021-11-05 13:31:42,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:31:42,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97440442] [2021-11-05 13:31:42,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:31:42,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:31:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:31:42,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:31:42,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:31:42,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97440442] [2021-11-05 13:31:42,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97440442] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:31:42,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855892656] [2021-11-05 13:31:42,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:31:42,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:31:42,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:31:42,948 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:31:42,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-05 13:31:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:31:43,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-05 13:31:43,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:31:43,138 INFO L354 Elim1Store]: treesize reduction 19, result has 50.0 percent of original size [2021-11-05 13:31:43,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2021-11-05 13:32:03,197 WARN L230 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 21 [2021-11-05 13:32:15,267 WARN L230 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 25 [2021-11-05 13:32:27,364 WARN L230 SmtUtils]: Spent 9.97s on a formula simplification that was a NOOP. DAG size: 25 [2021-11-05 13:32:36,763 WARN L230 SmtUtils]: Spent 9.35s on a formula simplification that was a NOOP. DAG size: 27 [2021-11-05 13:32:46,930 WARN L230 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 26 [2021-11-05 13:32:55,019 WARN L230 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 24 [2021-11-05 13:33:02,961 WARN L230 SmtUtils]: Spent 7.84s on a formula simplification that was a NOOP. DAG size: 24 [2021-11-05 13:33:11,121 WARN L230 SmtUtils]: Spent 7.82s on a formula simplification that was a NOOP. DAG size: 23 [2021-11-05 13:33:19,274 WARN L230 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 23 [2021-11-05 13:33:29,346 WARN L230 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 23 [2021-11-05 13:33:37,446 WARN L230 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 23 [2021-11-05 13:33:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:33:37,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:33:37,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 381 treesize of output 365 [2021-11-05 13:33:37,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:33:37,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855892656] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:33:37,877 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:33:37,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 34 [2021-11-05 13:33:37,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130535164] [2021-11-05 13:33:37,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:33:37,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-05 13:33:37,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:33:37,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-05 13:33:37,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=984, Unknown=7, NotChecked=0, Total=1122 [2021-11-05 13:33:37,879 INFO L87 Difference]: Start difference. First operand 388 states and 456 transitions. Second operand has 34 states, 34 states have (on average 4.9411764705882355) internal successors, (168), 34 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:33:47,542 WARN L230 SmtUtils]: Spent 9.59s on a formula simplification that was a NOOP. DAG size: 23 [2021-11-05 13:34:06,867 WARN L230 SmtUtils]: Spent 19.30s on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-11-05 13:34:07,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:34:07,103 INFO L93 Difference]: Finished difference Result 461 states and 538 transitions. [2021-11-05 13:34:07,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-05 13:34:07,103 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 4.9411764705882355) internal successors, (168), 34 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-05 13:34:07,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:34:07,105 INFO L225 Difference]: With dead ends: 461 [2021-11-05 13:34:07,105 INFO L226 Difference]: Without dead ends: 405 [2021-11-05 13:34:07,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 142768.26ms TimeCoverageRelationStatistics Valid=156, Invalid=1169, Unknown=7, NotChecked=0, Total=1332 [2021-11-05 13:34:07,106 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 67 mSDsluCounter, 1764 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 205.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1864 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.06ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 178 IncrementalHoareTripleChecker+Unchecked, 243.29ms IncrementalHoareTripleChecker+Time [2021-11-05 13:34:07,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 1864 Invalid, 648 Unknown, 0 Unchecked, 2.06ms Time], IncrementalHoareTripleChecker [4 Valid, 466 Invalid, 0 Unknown, 178 Unchecked, 243.29ms Time] [2021-11-05 13:34:07,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-11-05 13:34:07,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 388. [2021-11-05 13:34:07,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 384 states have (on average 1.1848958333333333) internal successors, (455), 387 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:07,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 455 transitions. [2021-11-05 13:34:07,145 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 455 transitions. Word has length 77 [2021-11-05 13:34:07,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:34:07,145 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 455 transitions. [2021-11-05 13:34:07,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.9411764705882355) internal successors, (168), 34 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:07,145 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 455 transitions. [2021-11-05 13:34:07,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-05 13:34:07,146 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:34:07,146 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:34:07,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-05 13:34:07,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-05 13:34:07,370 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:34:07,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:34:07,371 INFO L85 PathProgramCache]: Analyzing trace with hash -2099052948, now seen corresponding path program 2 times [2021-11-05 13:34:07,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:34:07,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824773483] [2021-11-05 13:34:07,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:07,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:34:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 13:34:07,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:34:07,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824773483] [2021-11-05 13:34:07,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824773483] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:34:07,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681663969] [2021-11-05 13:34:07,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-05 13:34:07,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:34:07,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:34:07,571 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:34:07,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-05 13:34:07,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-05 13:34:07,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-05 13:34:07,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-05 13:34:07,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:34:07,731 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-05 13:34:07,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 50 [2021-11-05 13:34:07,749 INFO L354 Elim1Store]: treesize reduction 31, result has 50.0 percent of original size [2021-11-05 13:34:07,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 54 [2021-11-05 13:34:10,302 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-05 13:34:10,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 13:34:10,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681663969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:34:10,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 13:34:10,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2021-11-05 13:34:10,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808375752] [2021-11-05 13:34:10,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:34:10,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-05 13:34:10,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:34:10,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-05 13:34:10,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=303, Unknown=1, NotChecked=0, Total=342 [2021-11-05 13:34:10,304 INFO L87 Difference]: Start difference. First operand 388 states and 455 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:10,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:34:10,398 INFO L93 Difference]: Finished difference Result 597 states and 706 transitions. [2021-11-05 13:34:10,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-05 13:34:10,399 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-05 13:34:10,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:34:10,400 INFO L225 Difference]: With dead ends: 597 [2021-11-05 13:34:10,400 INFO L226 Difference]: Without dead ends: 470 [2021-11-05 13:34:10,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1313.20ms TimeCoverageRelationStatistics Valid=46, Invalid=373, Unknown=1, NotChecked=0, Total=420 [2021-11-05 13:34:10,401 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 10 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.87ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 205 IncrementalHoareTripleChecker+Unchecked, 28.33ms IncrementalHoareTripleChecker+Time [2021-11-05 13:34:10,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 902 Invalid, 244 Unknown, 0 Unchecked, 0.87ms Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 205 Unchecked, 28.33ms Time] [2021-11-05 13:34:10,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-11-05 13:34:10,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 461. [2021-11-05 13:34:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 457 states have (on average 1.1728665207877462) internal successors, (536), 460 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:10,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 536 transitions. [2021-11-05 13:34:10,444 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 536 transitions. Word has length 77 [2021-11-05 13:34:10,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:34:10,444 INFO L470 AbstractCegarLoop]: Abstraction has 461 states and 536 transitions. [2021-11-05 13:34:10,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 536 transitions. [2021-11-05 13:34:10,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-05 13:34:10,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:34:10,445 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:34:10,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-05 13:34:10,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-05 13:34:10,656 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:34:10,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:34:10,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1397453074, now seen corresponding path program 1 times [2021-11-05 13:34:10,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:34:10,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435053795] [2021-11-05 13:34:10,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:10,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:34:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-05 13:34:10,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:34:10,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435053795] [2021-11-05 13:34:10,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435053795] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:34:10,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:34:10,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 13:34:10,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238187169] [2021-11-05 13:34:10,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:34:10,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:34:10,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:34:10,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:34:10,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:34:10,704 INFO L87 Difference]: Start difference. First operand 461 states and 536 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:10,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:34:10,780 INFO L93 Difference]: Finished difference Result 715 states and 833 transitions. [2021-11-05 13:34:10,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:34:10,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-05 13:34:10,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:34:10,782 INFO L225 Difference]: With dead ends: 715 [2021-11-05 13:34:10,782 INFO L226 Difference]: Without dead ends: 375 [2021-11-05 13:34:10,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.70ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:34:10,786 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 9 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.47ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.58ms IncrementalHoareTripleChecker+Time [2021-11-05 13:34:10,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 340 Invalid, 56 Unknown, 0 Unchecked, 1.47ms Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 33.58ms Time] [2021-11-05 13:34:10,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-11-05 13:34:10,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 372. [2021-11-05 13:34:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 368 states have (on average 1.1467391304347827) internal successors, (422), 371 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 422 transitions. [2021-11-05 13:34:10,840 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 422 transitions. Word has length 77 [2021-11-05 13:34:10,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:34:10,840 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 422 transitions. [2021-11-05 13:34:10,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 422 transitions. [2021-11-05 13:34:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-05 13:34:10,842 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:34:10,842 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:34:10,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-05 13:34:10,842 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:34:10,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:34:10,843 INFO L85 PathProgramCache]: Analyzing trace with hash 561523053, now seen corresponding path program 1 times [2021-11-05 13:34:10,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:34:10,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258920992] [2021-11-05 13:34:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:10,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:34:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:10,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 13:34:10,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:34:10,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258920992] [2021-11-05 13:34:10,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258920992] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:34:10,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:34:10,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 13:34:10,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111840286] [2021-11-05 13:34:10,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:34:10,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 13:34:10,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:34:10,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 13:34:10,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-05 13:34:10,902 INFO L87 Difference]: Start difference. First operand 372 states and 422 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:11,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:34:11,011 INFO L93 Difference]: Finished difference Result 458 states and 517 transitions. [2021-11-05 13:34:11,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 13:34:11,011 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-11-05 13:34:11,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:34:11,013 INFO L225 Difference]: With dead ends: 458 [2021-11-05 13:34:11,013 INFO L226 Difference]: Without dead ends: 445 [2021-11-05 13:34:11,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.13ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-05 13:34:11,013 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 119 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.68ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.57ms IncrementalHoareTripleChecker+Time [2021-11-05 13:34:11,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 558 Invalid, 88 Unknown, 0 Unchecked, 0.68ms Time], IncrementalHoareTripleChecker [11 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 49.57ms Time] [2021-11-05 13:34:11,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2021-11-05 13:34:11,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 377. [2021-11-05 13:34:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 373 states have (on average 1.1367292225201073) internal successors, (424), 376 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 424 transitions. [2021-11-05 13:34:11,047 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 424 transitions. Word has length 80 [2021-11-05 13:34:11,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:34:11,047 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 424 transitions. [2021-11-05 13:34:11,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:11,047 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 424 transitions. [2021-11-05 13:34:11,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-05 13:34:11,055 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:34:11,056 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:34:11,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-05 13:34:11,056 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:34:11,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:34:11,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1542092017, now seen corresponding path program 1 times [2021-11-05 13:34:11,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:34:11,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876292628] [2021-11-05 13:34:11,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:11,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:34:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:11,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 13:34:11,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:34:11,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876292628] [2021-11-05 13:34:11,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876292628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:34:11,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:34:11,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 13:34:11,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226429398] [2021-11-05 13:34:11,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:34:11,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:34:11,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:34:11,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:34:11,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:34:11,137 INFO L87 Difference]: Start difference. First operand 377 states and 424 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:11,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:34:11,191 INFO L93 Difference]: Finished difference Result 377 states and 424 transitions. [2021-11-05 13:34:11,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:34:11,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-05 13:34:11,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:34:11,193 INFO L225 Difference]: With dead ends: 377 [2021-11-05 13:34:11,193 INFO L226 Difference]: Without dead ends: 375 [2021-11-05 13:34:11,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.72ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:34:11,194 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 43 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.38ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.36ms IncrementalHoareTripleChecker+Time [2021-11-05 13:34:11,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 290 Invalid, 12 Unknown, 0 Unchecked, 0.38ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 10.36ms Time] [2021-11-05 13:34:11,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-11-05 13:34:11,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2021-11-05 13:34:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 372 states have (on average 1.1290322580645162) internal successors, (420), 374 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:11,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 420 transitions. [2021-11-05 13:34:11,232 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 420 transitions. Word has length 82 [2021-11-05 13:34:11,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:34:11,233 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 420 transitions. [2021-11-05 13:34:11,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 420 transitions. [2021-11-05 13:34:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-05 13:34:11,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:34:11,234 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:34:11,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-05 13:34:11,236 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:34:11,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:34:11,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1488938402, now seen corresponding path program 1 times [2021-11-05 13:34:11,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:34:11,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383867259] [2021-11-05 13:34:11,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:11,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:34:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:11,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 13:34:11,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:34:11,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383867259] [2021-11-05 13:34:11,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383867259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:34:11,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:34:11,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 13:34:11,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3700224] [2021-11-05 13:34:11,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:34:11,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 13:34:11,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:34:11,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 13:34:11,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-05 13:34:11,342 INFO L87 Difference]: Start difference. First operand 375 states and 420 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:11,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:34:11,438 INFO L93 Difference]: Finished difference Result 375 states and 420 transitions. [2021-11-05 13:34:11,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 13:34:11,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-05 13:34:11,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:34:11,440 INFO L225 Difference]: With dead ends: 375 [2021-11-05 13:34:11,440 INFO L226 Difference]: Without dead ends: 373 [2021-11-05 13:34:11,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 56.15ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-05 13:34:11,442 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 158 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.59ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.52ms IncrementalHoareTripleChecker+Time [2021-11-05 13:34:11,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 369 Invalid, 28 Unknown, 0 Unchecked, 0.59ms Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 18.52ms Time] [2021-11-05 13:34:11,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-11-05 13:34:11,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2021-11-05 13:34:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 371 states have (on average 1.1212938005390836) internal successors, (416), 372 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 416 transitions. [2021-11-05 13:34:11,484 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 416 transitions. Word has length 85 [2021-11-05 13:34:11,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:34:11,484 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 416 transitions. [2021-11-05 13:34:11,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 416 transitions. [2021-11-05 13:34:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-05 13:34:11,485 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:34:11,485 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:34:11,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-05 13:34:11,486 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:34:11,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:34:11,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1748357123, now seen corresponding path program 1 times [2021-11-05 13:34:11,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:34:11,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952498517] [2021-11-05 13:34:11,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:11,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:34:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:34:11,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:34:11,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952498517] [2021-11-05 13:34:11,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952498517] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:34:11,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622443067] [2021-11-05 13:34:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:11,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:34:11,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:34:11,929 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:34:11,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-05 13:34:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:12,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-05 13:34:12,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:34:12,108 INFO L354 Elim1Store]: treesize reduction 19, result has 50.0 percent of original size [2021-11-05 13:34:12,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-05 13:34:12,117 INFO L354 Elim1Store]: treesize reduction 47, result has 21.7 percent of original size [2021-11-05 13:34:12,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 54 [2021-11-05 13:34:15,358 INFO L354 Elim1Store]: treesize reduction 107, result has 28.2 percent of original size [2021-11-05 13:34:15,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 160 treesize of output 139 [2021-11-05 13:34:15,421 INFO L354 Elim1Store]: treesize reduction 45, result has 53.6 percent of original size [2021-11-05 13:34:15,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 113 treesize of output 120 [2021-11-05 13:34:15,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:34:15,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:34:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:34:16,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622443067] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:34:16,247 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:34:16,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 16] total 40 [2021-11-05 13:34:16,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989947644] [2021-11-05 13:34:16,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:34:16,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-05 13:34:16,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:34:16,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-05 13:34:16,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1416, Unknown=0, NotChecked=0, Total=1560 [2021-11-05 13:34:16,250 INFO L87 Difference]: Start difference. First operand 373 states and 416 transitions. Second operand has 40 states, 40 states have (on average 4.7) internal successors, (188), 40 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:16,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:34:16,700 INFO L93 Difference]: Finished difference Result 445 states and 495 transitions. [2021-11-05 13:34:16,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-05 13:34:16,700 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 4.7) internal successors, (188), 40 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-05 13:34:16,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:34:16,701 INFO L225 Difference]: With dead ends: 445 [2021-11-05 13:34:16,701 INFO L226 Difference]: Without dead ends: 395 [2021-11-05 13:34:16,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1405.61ms TimeCoverageRelationStatistics Valid=194, Invalid=2062, Unknown=0, NotChecked=0, Total=2256 [2021-11-05 13:34:16,703 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 91 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 158.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.94ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 228 IncrementalHoareTripleChecker+Unchecked, 187.77ms IncrementalHoareTripleChecker+Time [2021-11-05 13:34:16,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 1873 Invalid, 586 Unknown, 0 Unchecked, 1.94ms Time], IncrementalHoareTripleChecker [12 Valid, 346 Invalid, 0 Unknown, 228 Unchecked, 187.77ms Time] [2021-11-05 13:34:16,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2021-11-05 13:34:16,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 378. [2021-11-05 13:34:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 376 states have (on average 1.122340425531915) internal successors, (422), 377 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:16,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 422 transitions. [2021-11-05 13:34:16,734 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 422 transitions. Word has length 85 [2021-11-05 13:34:16,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:34:16,735 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 422 transitions. [2021-11-05 13:34:16,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.7) internal successors, (188), 40 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 422 transitions. [2021-11-05 13:34:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-05 13:34:16,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:34:16,736 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:34:16,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-05 13:34:16,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-11-05 13:34:16,946 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:34:16,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:34:16,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1737263547, now seen corresponding path program 1 times [2021-11-05 13:34:16,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:34:16,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240110222] [2021-11-05 13:34:16,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:16,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:34:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:34:17,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:34:17,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240110222] [2021-11-05 13:34:17,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240110222] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:34:17,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776105837] [2021-11-05 13:34:17,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:17,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:34:17,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:34:17,282 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:34:17,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-05 13:34:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:17,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-05 13:34:17,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:34:17,479 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-05 13:34:17,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 50 [2021-11-05 13:34:17,494 INFO L354 Elim1Store]: treesize reduction 31, result has 50.0 percent of original size [2021-11-05 13:34:17,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 54 [2021-11-05 13:34:19,779 INFO L354 Elim1Store]: treesize reduction 66, result has 17.5 percent of original size [2021-11-05 13:34:19,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 71 [2021-11-05 13:34:19,808 INFO L354 Elim1Store]: treesize reduction 22, result has 64.5 percent of original size [2021-11-05 13:34:19,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 77 [2021-11-05 13:34:19,874 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:34:19,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:34:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 13:34:20,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776105837] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:34:20,548 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:34:20,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 12] total 37 [2021-11-05 13:34:20,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575206792] [2021-11-05 13:34:20,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:34:20,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-05 13:34:20,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:34:20,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-05 13:34:20,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1176, Unknown=0, NotChecked=0, Total=1332 [2021-11-05 13:34:20,550 INFO L87 Difference]: Start difference. First operand 378 states and 422 transitions. Second operand has 37 states, 37 states have (on average 6.162162162162162) internal successors, (228), 37 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:21,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:34:21,082 INFO L93 Difference]: Finished difference Result 499 states and 545 transitions. [2021-11-05 13:34:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-05 13:34:21,082 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 6.162162162162162) internal successors, (228), 37 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-05 13:34:21,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:34:21,084 INFO L225 Difference]: With dead ends: 499 [2021-11-05 13:34:21,084 INFO L226 Difference]: Without dead ends: 446 [2021-11-05 13:34:21,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 944.79ms TimeCoverageRelationStatistics Valid=215, Invalid=1765, Unknown=0, NotChecked=0, Total=1980 [2021-11-05 13:34:21,084 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 254 mSDsluCounter, 1905 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 233.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.54ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 180 IncrementalHoareTripleChecker+Unchecked, 277.47ms IncrementalHoareTripleChecker+Time [2021-11-05 13:34:21,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 2002 Invalid, 702 Unknown, 0 Unchecked, 2.54ms Time], IncrementalHoareTripleChecker [18 Valid, 504 Invalid, 0 Unknown, 180 Unchecked, 277.47ms Time] [2021-11-05 13:34:21,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-11-05 13:34:21,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 359. [2021-11-05 13:34:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 357 states have (on average 1.1092436974789917) internal successors, (396), 358 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 396 transitions. [2021-11-05 13:34:21,114 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 396 transitions. Word has length 85 [2021-11-05 13:34:21,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:34:21,114 INFO L470 AbstractCegarLoop]: Abstraction has 359 states and 396 transitions. [2021-11-05 13:34:21,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 6.162162162162162) internal successors, (228), 37 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:21,114 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 396 transitions. [2021-11-05 13:34:21,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-05 13:34:21,115 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:34:21,115 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:34:21,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-05 13:34:21,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-11-05 13:34:21,319 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:34:21,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:34:21,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1881366369, now seen corresponding path program 1 times [2021-11-05 13:34:21,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:34:21,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278525956] [2021-11-05 13:34:21,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:21,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:34:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:21,510 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 13:34:21,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:34:21,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278525956] [2021-11-05 13:34:21,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278525956] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:34:21,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125860951] [2021-11-05 13:34:21,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:21,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:34:21,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:34:21,516 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:34:21,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-05 13:34:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:21,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-05 13:34:21,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:34:21,724 INFO L354 Elim1Store]: treesize reduction 19, result has 50.0 percent of original size [2021-11-05 13:34:21,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-05 13:34:21,736 INFO L354 Elim1Store]: treesize reduction 47, result has 21.7 percent of original size [2021-11-05 13:34:21,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 54 [2021-11-05 13:34:23,762 INFO L354 Elim1Store]: treesize reduction 52, result has 35.0 percent of original size [2021-11-05 13:34:23,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 99 treesize of output 93 [2021-11-05 13:34:23,842 INFO L354 Elim1Store]: treesize reduction 50, result has 65.8 percent of original size [2021-11-05 13:34:23,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 144 [2021-11-05 13:34:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:34:24,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:34:24,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 959 treesize of output 943 [2021-11-05 13:34:25,413 INFO L354 Elim1Store]: treesize reduction 308, result has 38.2 percent of original size [2021-11-05 13:34:25,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 29 case distinctions, treesize of input 7389 treesize of output 6560 [2021-11-05 13:34:25,550 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-11-05 13:34:25,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 6295 treesize of output 5669 [2021-11-05 13:34:43,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 12 treesize of output 8 [2021-11-05 13:34:43,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 75 [2021-11-05 13:34:43,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2021-11-05 13:34:43,713 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:34:43,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-11-05 13:34:43,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2021-11-05 13:34:43,926 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:34:43,952 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-05 13:34:44,557 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-05 13:34:44,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 15 [2021-11-05 13:34:44,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 15 treesize of output 11 [2021-11-05 13:34:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:34:44,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125860951] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:34:44,598 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:34:44,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15, 15] total 36 [2021-11-05 13:34:44,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843565972] [2021-11-05 13:34:44,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:34:44,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-05 13:34:44,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:34:44,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-05 13:34:44,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1118, Unknown=0, NotChecked=0, Total=1260 [2021-11-05 13:34:44,600 INFO L87 Difference]: Start difference. First operand 359 states and 396 transitions. Second operand has 36 states, 36 states have (on average 5.5) internal successors, (198), 36 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:48,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:34:48,362 INFO L93 Difference]: Finished difference Result 565 states and 633 transitions. [2021-11-05 13:34:48,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-05 13:34:48,363 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 5.5) internal successors, (198), 36 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-05 13:34:48,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:34:48,364 INFO L225 Difference]: With dead ends: 565 [2021-11-05 13:34:48,364 INFO L226 Difference]: Without dead ends: 491 [2021-11-05 13:34:48,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 160 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 4057.67ms TimeCoverageRelationStatistics Valid=342, Invalid=2414, Unknown=0, NotChecked=0, Total=2756 [2021-11-05 13:34:48,365 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 263 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 416.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.24ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 177 IncrementalHoareTripleChecker+Unchecked, 494.48ms IncrementalHoareTripleChecker+Time [2021-11-05 13:34:48,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 2130 Invalid, 1074 Unknown, 0 Unchecked, 3.24ms Time], IncrementalHoareTripleChecker [28 Valid, 869 Invalid, 0 Unknown, 177 Unchecked, 494.48ms Time] [2021-11-05 13:34:48,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-11-05 13:34:48,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 364. [2021-11-05 13:34:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 362 states have (on average 1.1077348066298343) internal successors, (401), 363 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 401 transitions. [2021-11-05 13:34:48,394 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 401 transitions. Word has length 87 [2021-11-05 13:34:48,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:34:48,394 INFO L470 AbstractCegarLoop]: Abstraction has 364 states and 401 transitions. [2021-11-05 13:34:48,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.5) internal successors, (198), 36 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:48,394 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 401 transitions. [2021-11-05 13:34:48,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-05 13:34:48,395 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:34:48,395 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:34:48,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-05 13:34:48,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-11-05 13:34:48,605 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:34:48,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:34:48,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1393938504, now seen corresponding path program 1 times [2021-11-05 13:34:48,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:34:48,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359030754] [2021-11-05 13:34:48,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:48,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:34:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-05 13:34:48,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:34:48,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359030754] [2021-11-05 13:34:48,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359030754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:34:48,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:34:48,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 13:34:48,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898323730] [2021-11-05 13:34:48,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:34:48,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 13:34:48,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:34:48,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 13:34:48,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-05 13:34:48,675 INFO L87 Difference]: Start difference. First operand 364 states and 401 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:48,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:34:48,773 INFO L93 Difference]: Finished difference Result 408 states and 448 transitions. [2021-11-05 13:34:48,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 13:34:48,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-05 13:34:48,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:34:48,774 INFO L225 Difference]: With dead ends: 408 [2021-11-05 13:34:48,774 INFO L226 Difference]: Without dead ends: 268 [2021-11-05 13:34:48,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.42ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-05 13:34:48,775 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 108 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.23ms IncrementalHoareTripleChecker+Time [2021-11-05 13:34:48,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 541 Invalid, 83 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [14 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 47.23ms Time] [2021-11-05 13:34:48,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-11-05 13:34:48,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 239. [2021-11-05 13:34:48,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 237 states have (on average 1.0970464135021096) internal successors, (260), 238 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:48,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 260 transitions. [2021-11-05 13:34:48,803 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 260 transitions. Word has length 93 [2021-11-05 13:34:48,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:34:48,804 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 260 transitions. [2021-11-05 13:34:48,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:34:48,804 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2021-11-05 13:34:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-05 13:34:48,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:34:48,805 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:34:48,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-05 13:34:48,805 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:34:48,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:34:48,806 INFO L85 PathProgramCache]: Analyzing trace with hash -86539151, now seen corresponding path program 2 times [2021-11-05 13:34:48,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:34:48,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88559400] [2021-11-05 13:34:48,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:34:48,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:34:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:34:49,384 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-05 13:34:49,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:34:49,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88559400] [2021-11-05 13:34:49,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88559400] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:34:49,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98294845] [2021-11-05 13:34:49,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-05 13:34:49,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:34:49,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:34:49,388 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:34:49,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-05 13:34:49,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-05 13:34:49,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-05 13:34:49,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-05 13:34:49,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:34:49,646 INFO L354 Elim1Store]: treesize reduction 19, result has 50.0 percent of original size [2021-11-05 13:34:49,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-05 13:34:49,658 INFO L354 Elim1Store]: treesize reduction 47, result has 21.7 percent of original size [2021-11-05 13:34:49,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 54 [2021-11-05 13:34:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-05 13:34:59,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:35:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-05 13:35:00,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98294845] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-05 13:35:00,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-05 13:35:00,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [22, 27] total 59 [2021-11-05 13:35:00,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689774752] [2021-11-05 13:35:00,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:35:00,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-05 13:35:00,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:35:00,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-05 13:35:00,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=3236, Unknown=0, NotChecked=0, Total=3422 [2021-11-05 13:35:00,951 INFO L87 Difference]: Start difference. First operand 239 states and 260 transitions. Second operand has 17 states, 17 states have (on average 5.0) internal successors, (85), 17 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:35:02,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:35:02,418 INFO L93 Difference]: Finished difference Result 416 states and 452 transitions. [2021-11-05 13:35:02,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-05 13:35:02,418 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.0) internal successors, (85), 17 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-11-05 13:35:02,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:35:02,419 INFO L225 Difference]: With dead ends: 416 [2021-11-05 13:35:02,419 INFO L226 Difference]: Without dead ends: 375 [2021-11-05 13:35:02,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1377 ImplicationChecksByTransitivity, 9922.20ms TimeCoverageRelationStatistics Valid=632, Invalid=5848, Unknown=0, NotChecked=0, Total=6480 [2021-11-05 13:35:02,421 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 1540 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 334.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.84ms SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 394.31ms IncrementalHoareTripleChecker+Time [2021-11-05 13:35:02,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1540 Valid, 879 Invalid, 741 Unknown, 0 Unchecked, 2.84ms Time], IncrementalHoareTripleChecker [96 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 394.31ms Time] [2021-11-05 13:35:02,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-11-05 13:35:02,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 245. [2021-11-05 13:35:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 243 states have (on average 1.0987654320987654) internal successors, (267), 244 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:35:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 267 transitions. [2021-11-05 13:35:02,448 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 267 transitions. Word has length 95 [2021-11-05 13:35:02,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:35:02,448 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 267 transitions. [2021-11-05 13:35:02,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.0) internal successors, (85), 17 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:35:02,448 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 267 transitions. [2021-11-05 13:35:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-05 13:35:02,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:35:02,449 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:35:02,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-05 13:35:02,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:35:02,650 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:35:02,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:35:02,650 INFO L85 PathProgramCache]: Analyzing trace with hash -895885777, now seen corresponding path program 1 times [2021-11-05 13:35:02,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:35:02,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700693319] [2021-11-05 13:35:02,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:35:02,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:35:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:35:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-05 13:35:02,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:35:02,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700693319] [2021-11-05 13:35:02,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700693319] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:35:02,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48382712] [2021-11-05 13:35:02,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:35:02,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:35:02,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:35:02,884 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:35:02,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-05 13:35:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:35:03,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-05 13:35:03,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:35:03,105 INFO L354 Elim1Store]: treesize reduction 19, result has 50.0 percent of original size [2021-11-05 13:35:03,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-05 13:35:03,116 INFO L354 Elim1Store]: treesize reduction 47, result has 21.7 percent of original size [2021-11-05 13:35:03,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 54 [2021-11-05 13:35:05,819 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-05 13:35:05,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 112 [2021-11-05 13:35:05,836 INFO L354 Elim1Store]: treesize reduction 14, result has 62.2 percent of original size [2021-11-05 13:35:05,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 98 [2021-11-05 13:35:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-05 13:35:05,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 13:35:05,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48382712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:35:05,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 13:35:05,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [15] total 27 [2021-11-05 13:35:05,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595390105] [2021-11-05 13:35:05,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:35:05,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-05 13:35:05,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:35:05,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-05 13:35:05,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2021-11-05 13:35:05,977 INFO L87 Difference]: Start difference. First operand 245 states and 267 transitions. Second operand has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:35:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:35:06,042 INFO L93 Difference]: Finished difference Result 303 states and 335 transitions. [2021-11-05 13:35:06,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-05 13:35:06,042 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-11-05 13:35:06,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:35:06,043 INFO L225 Difference]: With dead ends: 303 [2021-11-05 13:35:06,043 INFO L226 Difference]: Without dead ends: 245 [2021-11-05 13:35:06,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 626.10ms TimeCoverageRelationStatistics Valid=76, Invalid=736, Unknown=0, NotChecked=0, Total=812 [2021-11-05 13:35:06,043 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 20 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.67ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 174 IncrementalHoareTripleChecker+Unchecked, 17.81ms IncrementalHoareTripleChecker+Time [2021-11-05 13:35:06,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 766 Invalid, 202 Unknown, 0 Unchecked, 0.67ms Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 174 Unchecked, 17.81ms Time] [2021-11-05 13:35:06,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-11-05 13:35:06,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2021-11-05 13:35:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 243 states have (on average 1.0946502057613168) internal successors, (266), 244 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:35:06,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 266 transitions. [2021-11-05 13:35:06,065 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 266 transitions. Word has length 95 [2021-11-05 13:35:06,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:35:06,066 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 266 transitions. [2021-11-05 13:35:06,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:35:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 266 transitions. [2021-11-05 13:35:06,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-05 13:35:06,067 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:35:06,067 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:35:06,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-11-05 13:35:06,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-11-05 13:35:06,288 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:35:06,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:35:06,288 INFO L85 PathProgramCache]: Analyzing trace with hash 353638822, now seen corresponding path program 1 times [2021-11-05 13:35:06,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:35:06,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046718689] [2021-11-05 13:35:06,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:35:06,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:35:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:35:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 13:35:06,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:35:06,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046718689] [2021-11-05 13:35:06,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046718689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:35:06,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:35:06,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-05 13:35:06,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765322870] [2021-11-05 13:35:06,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:35:06,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-05 13:35:06,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:35:06,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-05 13:35:06,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-05 13:35:06,470 INFO L87 Difference]: Start difference. First operand 245 states and 266 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:35:06,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:35:06,630 INFO L93 Difference]: Finished difference Result 249 states and 269 transitions. [2021-11-05 13:35:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-05 13:35:06,631 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-05 13:35:06,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:35:06,632 INFO L225 Difference]: With dead ends: 249 [2021-11-05 13:35:06,632 INFO L226 Difference]: Without dead ends: 245 [2021-11-05 13:35:06,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 90.86ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-05 13:35:06,632 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 330 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.68ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.72ms IncrementalHoareTripleChecker+Time [2021-11-05 13:35:06,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 257 Invalid, 155 Unknown, 0 Unchecked, 0.68ms Time], IncrementalHoareTripleChecker [20 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 81.72ms Time] [2021-11-05 13:35:06,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-11-05 13:35:06,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2021-11-05 13:35:06,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 243 states have (on average 1.0864197530864197) internal successors, (264), 244 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:35:06,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 264 transitions. [2021-11-05 13:35:06,663 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 264 transitions. Word has length 96 [2021-11-05 13:35:06,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:35:06,663 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 264 transitions. [2021-11-05 13:35:06,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:35:06,664 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 264 transitions. [2021-11-05 13:35:06,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-05 13:35:06,664 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:35:06,664 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:35:06,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-05 13:35:06,665 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-05 13:35:06,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:35:06,665 INFO L85 PathProgramCache]: Analyzing trace with hash -446690621, now seen corresponding path program 1 times [2021-11-05 13:35:06,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:35:06,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680318114] [2021-11-05 13:35:06,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:35:06,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:35:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:35:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:35:07,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:35:07,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680318114] [2021-11-05 13:35:07,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680318114] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:35:07,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40933167] [2021-11-05 13:35:07,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:35:07,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:35:07,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:35:07,289 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:35:07,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-05 13:35:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:35:07,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-05 13:35:07,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:35:07,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:35:07,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-05 13:35:07,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-05 13:35:07,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:35:07,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-05 13:35:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:35:07,653 INFO L354 Elim1Store]: treesize reduction 192, result has 14.3 percent of original size [2021-11-05 13:35:07,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 169 treesize of output 117 [2021-11-05 13:35:07,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:35:07,682 INFO L354 Elim1Store]: treesize reduction 164, result has 16.3 percent of original size [2021-11-05 13:35:07,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 140 treesize of output 101 [2021-11-05 13:35:11,264 INFO L354 Elim1Store]: treesize reduction 122, result has 5.4 percent of original size [2021-11-05 13:35:11,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 236 treesize of output 125 [2021-11-05 13:35:11,285 INFO L354 Elim1Store]: treesize reduction 94, result has 6.9 percent of original size [2021-11-05 13:35:11,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 83 treesize of output 45 [2021-11-05 13:35:11,366 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-05 13:35:11,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:35:22,441 WARN L230 SmtUtils]: Spent 9.49s on a formula simplification. DAG size of input: 857 DAG size of output: 357 [2021-11-05 13:35:22,442 INFO L354 Elim1Store]: treesize reduction 34853, result has 19.5 percent of original size [2021-11-05 13:35:22,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 1 disjoint index pairs (out of 136 index pairs), introduced 24 new quantified variables, introduced 156 case distinctions, treesize of input 809170434 treesize of output 746594572 Killed by 15