./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0db5597ff96f0e5a728327333d32dd7df56f4b1fb643f99ebf0f69cacecd717 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:43:53,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:43:53,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:43:53,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:43:53,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:43:53,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:43:53,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:43:53,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:43:53,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:43:53,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:43:53,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:43:53,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:43:53,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:43:53,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:43:53,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:43:53,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:43:53,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:43:53,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:43:53,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:43:53,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:43:53,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:43:53,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:43:53,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:43:53,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:43:53,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:43:53,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:43:53,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:43:53,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:43:53,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:43:53,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:43:53,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:43:53,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:43:53,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:43:53,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:43:53,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:43:53,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:43:53,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:43:53,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:43:53,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:43:53,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:43:53,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:43:53,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 17:43:53,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:43:53,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:43:53,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:43:53,516 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:43:53,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:43:53,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:43:53,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:43:53,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:43:53,518 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:43:53,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:43:53,519 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:43:53,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:43:53,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:43:53,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:43:53,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:43:53,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:43:53,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:43:53,520 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:43:53,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:43:53,521 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:43:53,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:43:53,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:43:53,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:43:53,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:43:53,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:43:53,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:43:53,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:43:53,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:43:53,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:43:53,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:43:53,523 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:43:53,523 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:43:53,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:43:53,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:43:53,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0db5597ff96f0e5a728327333d32dd7df56f4b1fb643f99ebf0f69cacecd717 [2021-12-06 17:43:53,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:43:53,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:43:53,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:43:53,716 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:43:53,717 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:43:53,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-fpi/ifeqn4.c [2021-12-06 17:43:53,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/data/5381778f8/ea845ed05ab74e7eb7ab2d15a5bfd3dd/FLAG084e602f2 [2021-12-06 17:43:54,147 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:43:54,147 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/sv-benchmarks/c/array-fpi/ifeqn4.c [2021-12-06 17:43:54,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/data/5381778f8/ea845ed05ab74e7eb7ab2d15a5bfd3dd/FLAG084e602f2 [2021-12-06 17:43:54,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/data/5381778f8/ea845ed05ab74e7eb7ab2d15a5bfd3dd [2021-12-06 17:43:54,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:43:54,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:43:54,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:43:54,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:43:54,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:43:54,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f50802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54, skipping insertion in model container [2021-12-06 17:43:54,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:43:54,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:43:54,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2021-12-06 17:43:54,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:43:54,331 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:43:54,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2021-12-06 17:43:54,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:43:54,362 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:43:54,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54 WrapperNode [2021-12-06 17:43:54,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:43:54,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:43:54,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:43:54,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:43:54,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,390 INFO L137 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2021-12-06 17:43:54,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:43:54,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:43:54,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:43:54,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:43:54,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:43:54,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:43:54,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:43:54,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:43:54,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2021-12-06 17:43:54,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:43:54,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:43:54,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:43:54,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:43:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:43:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:43:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:43:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:43:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:43:54,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:43:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:43:54,519 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:43:54,520 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:43:54,643 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:43:54,648 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:43:54,648 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 17:43:54,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:43:54 BoogieIcfgContainer [2021-12-06 17:43:54,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:43:54,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:43:54,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:43:54,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:43:54,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:43:54" (1/3) ... [2021-12-06 17:43:54,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3098571c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:43:54, skipping insertion in model container [2021-12-06 17:43:54,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (2/3) ... [2021-12-06 17:43:54,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3098571c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:43:54, skipping insertion in model container [2021-12-06 17:43:54,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:43:54" (3/3) ... [2021-12-06 17:43:54,655 INFO L111 eAbstractionObserver]: Analyzing ICFG ifeqn4.c [2021-12-06 17:43:54,659 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:43:54,659 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:43:54,695 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:43:54,700 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 [2021-12-06 17:43:54,700 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:43:54,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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) [2021-12-06 17:43:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 17:43:54,715 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:43:54,715 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:43:54,716 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:43:54,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:43:54,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1670316217, now seen corresponding path program 1 times [2021-12-06 17:43:54,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:43:54,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328403618] [2021-12-06 17:43:54,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:43:54,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:43:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:43:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:43:54,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:43:54,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328403618] [2021-12-06 17:43:54,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328403618] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:43:54,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:43:54,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:43:54,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249267917] [2021-12-06 17:43:54,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:43:54,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:43:54,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:43:54,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:43:54,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:43:54,872 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-12-06 17:43:54,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:43:54,883 INFO L93 Difference]: Finished difference Result 42 states and 60 transitions. [2021-12-06 17:43:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:43:54,884 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-12-06 17:43:54,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:43:54,890 INFO L225 Difference]: With dead ends: 42 [2021-12-06 17:43:54,890 INFO L226 Difference]: Without dead ends: 19 [2021-12-06 17:43:54,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:43:54,896 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:43:54,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:43:54,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-12-06 17:43:54,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-12-06 17:43:54,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 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) [2021-12-06 17:43:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2021-12-06 17:43:54,921 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2021-12-06 17:43:54,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:43:54,921 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-12-06 17:43:54,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-12-06 17:43:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-12-06 17:43:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 17:43:54,922 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:43:54,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:43:54,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:43:54,923 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:43:54,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:43:54,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1000416578, now seen corresponding path program 1 times [2021-12-06 17:43:54,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:43:54,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704000856] [2021-12-06 17:43:54,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:43:54,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:43:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:43:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:43:54,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:43:54,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704000856] [2021-12-06 17:43:54,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704000856] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:43:54,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:43:54,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:43:54,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985839340] [2021-12-06 17:43:54,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:43:54,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:43:54,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:43:54,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:43:54,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:43:54,985 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-12-06 17:43:55,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:43:55,036 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2021-12-06 17:43:55,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:43:55,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-12-06 17:43:55,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:43:55,037 INFO L225 Difference]: With dead ends: 45 [2021-12-06 17:43:55,037 INFO L226 Difference]: Without dead ends: 31 [2021-12-06 17:43:55,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:43:55,039 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 37 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:43:55,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 17 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:43:55,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-12-06 17:43:55,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23. [2021-12-06 17:43:55,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 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) [2021-12-06 17:43:55,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-12-06 17:43:55,044 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-12-06 17:43:55,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:43:55,045 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-12-06 17:43:55,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-12-06 17:43:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-12-06 17:43:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-06 17:43:55,046 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:43:55,046 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:43:55,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:43:55,046 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:43:55,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:43:55,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1992201947, now seen corresponding path program 1 times [2021-12-06 17:43:55,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:43:55,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616751526] [2021-12-06 17:43:55,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:43:55,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:43:55,068 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:43:55,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [931652831] [2021-12-06 17:43:55,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:43:55,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:43:55,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:43:55,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:43:55,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 17:43:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:43:55,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 17:43:55,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:43:55,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:43:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 17:43:55,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:43:55,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:43:55,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616751526] [2021-12-06 17:43:55,273 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:43:55,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931652831] [2021-12-06 17:43:55,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931652831] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:43:55,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:43:55,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:43:55,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333861818] [2021-12-06 17:43:55,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:43:55,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:43:55,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:43:55,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:43:55,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:43:55,276 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-12-06 17:43:55,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:43:55,331 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2021-12-06 17:43:55,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:43:55,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2021-12-06 17:43:55,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:43:55,333 INFO L225 Difference]: With dead ends: 40 [2021-12-06 17:43:55,333 INFO L226 Difference]: Without dead ends: 38 [2021-12-06 17:43:55,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:43:55,335 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 16 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:43:55,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 62 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:43:55,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-12-06 17:43:55,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 28. [2021-12-06 17:43:55,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 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) [2021-12-06 17:43:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-12-06 17:43:55,342 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 18 [2021-12-06 17:43:55,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:43:55,343 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-12-06 17:43:55,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-12-06 17:43:55,343 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-12-06 17:43:55,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-06 17:43:55,344 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:43:55,344 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:43:55,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:43:55,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:43:55,547 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:43:55,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:43:55,549 INFO L85 PathProgramCache]: Analyzing trace with hash 259417010, now seen corresponding path program 1 times [2021-12-06 17:43:55,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:43:55,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634847367] [2021-12-06 17:43:55,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:43:55,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:43:55,635 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:43:55,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [652056460] [2021-12-06 17:43:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:43:55,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:43:55,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:43:55,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:43:55,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 17:43:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:43:55,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 17:43:55,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:43:55,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:43:55,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:43:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:43:55,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:43:55,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634847367] [2021-12-06 17:43:55,905 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:43:55,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652056460] [2021-12-06 17:43:55,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652056460] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:43:55,906 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:43:55,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-12-06 17:43:55,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948525378] [2021-12-06 17:43:55,906 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:43:55,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:43:55,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:43:55,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:43:55,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:43:55,908 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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) [2021-12-06 17:43:56,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:43:56,006 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2021-12-06 17:43:56,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:43:56,006 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 21 [2021-12-06 17:43:56,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:43:56,007 INFO L225 Difference]: With dead ends: 70 [2021-12-06 17:43:56,007 INFO L226 Difference]: Without dead ends: 43 [2021-12-06 17:43:56,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:43:56,008 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 35 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:43:56,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 44 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:43:56,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-12-06 17:43:56,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 27. [2021-12-06 17:43:56,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 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) [2021-12-06 17:43:56,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-12-06 17:43:56,012 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 21 [2021-12-06 17:43:56,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:43:56,012 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-12-06 17:43:56,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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) [2021-12-06 17:43:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-12-06 17:43:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 17:43:56,013 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:43:56,013 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:43:56,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 17:43:56,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-06 17:43:56,215 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:43:56,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:43:56,217 INFO L85 PathProgramCache]: Analyzing trace with hash 939318754, now seen corresponding path program 1 times [2021-12-06 17:43:56,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:43:56,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963333117] [2021-12-06 17:43:56,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:43:56,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:43:56,291 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:43:56,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558181570] [2021-12-06 17:43:56,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:43:56,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:43:56,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:43:56,296 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:43:56,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 17:43:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:43:56,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 17:43:56,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:43:56,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:43:56,514 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 17:43:56,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 17:43:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 17:43:56,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:43:56,706 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 21 treesize of output 19 [2021-12-06 17:43:56,730 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:43:56,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:43:56,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963333117] [2021-12-06 17:43:56,730 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:43:56,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558181570] [2021-12-06 17:43:56,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558181570] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:43:56,730 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:43:56,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2021-12-06 17:43:56,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832453072] [2021-12-06 17:43:56,731 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:43:56,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:43:56,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:43:56,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:43:56,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:43:56,732 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-12-06 17:43:56,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:43:56,841 INFO L93 Difference]: Finished difference Result 73 states and 86 transitions. [2021-12-06 17:43:56,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 17:43:56,842 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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 24 [2021-12-06 17:43:56,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:43:56,843 INFO L225 Difference]: With dead ends: 73 [2021-12-06 17:43:56,843 INFO L226 Difference]: Without dead ends: 61 [2021-12-06 17:43:56,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-12-06 17:43:56,844 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 34 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:43:56,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 71 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 80 Invalid, 0 Unknown, 39 Unchecked, 0.1s Time] [2021-12-06 17:43:56,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-12-06 17:43:56,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 38. [2021-12-06 17:43:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 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) [2021-12-06 17:43:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2021-12-06 17:43:56,851 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 24 [2021-12-06 17:43:56,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:43:56,851 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2021-12-06 17:43:56,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-12-06 17:43:56,851 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2021-12-06 17:43:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 17:43:56,852 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:43:56,852 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:43:56,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 17:43:57,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:43:57,055 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:43:57,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:43:57,057 INFO L85 PathProgramCache]: Analyzing trace with hash 430403928, now seen corresponding path program 1 times [2021-12-06 17:43:57,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:43:57,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497318955] [2021-12-06 17:43:57,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:43:57,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:43:57,126 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:43:57,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [391304276] [2021-12-06 17:43:57,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:43:57,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:43:57,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:43:57,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:43:57,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 17:43:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:43:57,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 35 conjunts are in the unsatisfiable core [2021-12-06 17:43:57,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:43:57,286 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 10 treesize of output 8 [2021-12-06 17:43:57,299 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 11 treesize of output 7 [2021-12-06 17:43:57,339 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 17:43:57,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 17:43:57,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-12-06 17:43:57,421 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-12-06 17:43:57,421 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-12-06 17:43:57,656 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:43:57,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 70 treesize of output 30 [2021-12-06 17:43:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:43:57,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:43:58,969 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int)) (= (select (let ((.cse0 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse0 (+ |ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) (let ((.cse1 (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse0) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse1)) (select .cse0 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse1)))))) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) 9)) is different from false [2021-12-06 17:44:25,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2021-12-06 17:44:25,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:44:25,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497318955] [2021-12-06 17:44:25,569 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:44:25,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391304276] [2021-12-06 17:44:25,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391304276] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:44:25,569 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:44:25,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 22 [2021-12-06 17:44:25,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604628945] [2021-12-06 17:44:25,569 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:44:25,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-06 17:44:25,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:44:25,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-06 17:44:25,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=331, Unknown=15, NotChecked=38, Total=462 [2021-12-06 17:44:25,571 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 22 states have internal predecessors, (50), 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) [2021-12-06 17:44:29,608 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int)) (= (select (let ((.cse0 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse0 (+ |ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) (let ((.cse1 (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse0) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse1)) (select .cse0 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse1)))))) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) 9)) (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int)) (= 8 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset| 1)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) is different from false [2021-12-06 17:44:29,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:44:29,837 INFO L93 Difference]: Finished difference Result 112 states and 136 transitions. [2021-12-06 17:44:29,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-06 17:44:29,838 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 22 states have internal predecessors, (50), 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 28 [2021-12-06 17:44:29,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:44:29,840 INFO L225 Difference]: With dead ends: 112 [2021-12-06 17:44:29,840 INFO L226 Difference]: Without dead ends: 81 [2021-12-06 17:44:29,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 31.7s TimeCoverageRelationStatistics Valid=137, Invalid=556, Unknown=17, NotChecked=102, Total=812 [2021-12-06 17:44:29,841 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 25 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 110 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:44:29,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 80 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 140 Invalid, 0 Unknown, 110 Unchecked, 0.1s Time] [2021-12-06 17:44:29,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-12-06 17:44:29,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 70. [2021-12-06 17:44:29,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 69 states have internal predecessors, (84), 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) [2021-12-06 17:44:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 84 transitions. [2021-12-06 17:44:29,852 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 84 transitions. Word has length 28 [2021-12-06 17:44:29,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:44:29,852 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 84 transitions. [2021-12-06 17:44:29,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 22 states have internal predecessors, (50), 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) [2021-12-06 17:44:29,853 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2021-12-06 17:44:29,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 17:44:29,854 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:44:29,854 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:44:29,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 17:44:30,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-06 17:44:30,055 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:44:30,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:44:30,055 INFO L85 PathProgramCache]: Analyzing trace with hash -849177916, now seen corresponding path program 2 times [2021-12-06 17:44:30,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:44:30,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762351046] [2021-12-06 17:44:30,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:44:30,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:44:30,080 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:44:30,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2052859143] [2021-12-06 17:44:30,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 17:44:30,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:30,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:44:30,081 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:44:30,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 17:44:30,128 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 17:44:30,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:44:30,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:44:30,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:44:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 17:44:30,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:44:30,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:44:30,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762351046] [2021-12-06 17:44:30,164 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:44:30,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052859143] [2021-12-06 17:44:30,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052859143] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:44:30,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:44:30,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:44:30,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411341947] [2021-12-06 17:44:30,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:44:30,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:44:30,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:44:30,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:44:30,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:44:30,166 INFO L87 Difference]: Start difference. First operand 70 states and 84 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-12-06 17:44:30,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:44:30,208 INFO L93 Difference]: Finished difference Result 111 states and 132 transitions. [2021-12-06 17:44:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:44:30,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 30 [2021-12-06 17:44:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:44:30,209 INFO L225 Difference]: With dead ends: 111 [2021-12-06 17:44:30,209 INFO L226 Difference]: Without dead ends: 80 [2021-12-06 17:44:30,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:44:30,210 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 25 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:44:30,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 38 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:44:30,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-12-06 17:44:30,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 66. [2021-12-06 17:44:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.1538461538461537) internal successors, (75), 65 states have internal predecessors, (75), 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) [2021-12-06 17:44:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 75 transitions. [2021-12-06 17:44:30,217 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 75 transitions. Word has length 30 [2021-12-06 17:44:30,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:44:30,217 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 75 transitions. [2021-12-06 17:44:30,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-12-06 17:44:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2021-12-06 17:44:30,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 17:44:30,218 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:44:30,218 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:44:30,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 17:44:30,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-06 17:44:30,420 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:44:30,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:44:30,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1242204926, now seen corresponding path program 3 times [2021-12-06 17:44:30,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:44:30,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403140856] [2021-12-06 17:44:30,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:44:30,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:44:30,471 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:44:30,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233924362] [2021-12-06 17:44:30,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 17:44:30,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:30,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:44:30,473 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:44:30,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 17:44:30,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-12-06 17:44:30,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:44:30,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 17:44:30,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:44:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 17:44:30,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:44:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 17:44:30,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:44:30,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403140856] [2021-12-06 17:44:30,860 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:44:30,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233924362] [2021-12-06 17:44:30,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233924362] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:44:30,861 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:44:30,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 19 [2021-12-06 17:44:30,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782448829] [2021-12-06 17:44:30,861 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:44:30,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 17:44:30,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:44:30,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 17:44:30,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2021-12-06 17:44:30,862 INFO L87 Difference]: Start difference. First operand 66 states and 75 transitions. Second operand has 19 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 19 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) [2021-12-06 17:44:31,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:44:31,118 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2021-12-06 17:44:31,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 17:44:31,119 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 19 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 30 [2021-12-06 17:44:31,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:44:31,119 INFO L225 Difference]: With dead ends: 116 [2021-12-06 17:44:31,119 INFO L226 Difference]: Without dead ends: 96 [2021-12-06 17:44:31,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=243, Invalid=627, Unknown=0, NotChecked=0, Total=870 [2021-12-06 17:44:31,120 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 186 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:44:31,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 66 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:44:31,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-12-06 17:44:31,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 63. [2021-12-06 17:44:31,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.1290322580645162) internal successors, (70), 62 states have internal predecessors, (70), 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) [2021-12-06 17:44:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2021-12-06 17:44:31,126 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 30 [2021-12-06 17:44:31,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:44:31,127 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2021-12-06 17:44:31,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 19 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) [2021-12-06 17:44:31,127 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2021-12-06 17:44:31,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-06 17:44:31,127 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:44:31,128 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:44:31,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 17:44:31,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:31,329 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:44:31,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:44:31,330 INFO L85 PathProgramCache]: Analyzing trace with hash 877615566, now seen corresponding path program 2 times [2021-12-06 17:44:31,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:44:31,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989218343] [2021-12-06 17:44:31,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:44:31,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:44:31,375 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:44:31,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386575394] [2021-12-06 17:44:31,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 17:44:31,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:31,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:44:31,377 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:44:31,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 17:44:31,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 17:44:31,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:44:31,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:44:31,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:44:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:44:31,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:44:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:44:31,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:44:31,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989218343] [2021-12-06 17:44:31,522 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:44:31,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386575394] [2021-12-06 17:44:31,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386575394] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:44:31,522 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:44:31,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-12-06 17:44:31,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244984570] [2021-12-06 17:44:31,522 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:44:31,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 17:44:31,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:44:31,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 17:44:31,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:44:31,523 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 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) [2021-12-06 17:44:31,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:44:31,629 INFO L93 Difference]: Finished difference Result 102 states and 109 transitions. [2021-12-06 17:44:31,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:44:31,629 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 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 32 [2021-12-06 17:44:31,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:44:31,630 INFO L225 Difference]: With dead ends: 102 [2021-12-06 17:44:31,630 INFO L226 Difference]: Without dead ends: 77 [2021-12-06 17:44:31,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-12-06 17:44:31,631 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 73 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:44:31,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 65 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:44:31,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-12-06 17:44:31,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 57. [2021-12-06 17:44:31,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.1071428571428572) internal successors, (62), 56 states have internal predecessors, (62), 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) [2021-12-06 17:44:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2021-12-06 17:44:31,639 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 32 [2021-12-06 17:44:31,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:44:31,639 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2021-12-06 17:44:31,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 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) [2021-12-06 17:44:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2021-12-06 17:44:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 17:44:31,640 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:44:31,640 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:44:31,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 17:44:31,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:31,842 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:44:31,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:44:31,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1847758638, now seen corresponding path program 4 times [2021-12-06 17:44:31,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:44:31,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008862224] [2021-12-06 17:44:31,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:44:31,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:44:31,894 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:44:31,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212193784] [2021-12-06 17:44:31,894 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 17:44:31,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:31,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:44:31,895 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:44:31,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 17:44:31,936 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 17:44:31,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:44:31,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:44:31,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:44:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:44:32,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:44:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:44:32,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:44:32,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008862224] [2021-12-06 17:44:32,077 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:44:32,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212193784] [2021-12-06 17:44:32,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212193784] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:44:32,077 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:44:32,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-12-06 17:44:32,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548589435] [2021-12-06 17:44:32,077 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:44:32,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 17:44:32,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:44:32,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 17:44:32,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:44:32,078 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 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) [2021-12-06 17:44:32,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:44:32,247 INFO L93 Difference]: Finished difference Result 116 states and 122 transitions. [2021-12-06 17:44:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 17:44:32,248 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 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 33 [2021-12-06 17:44:32,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:44:32,248 INFO L225 Difference]: With dead ends: 116 [2021-12-06 17:44:32,248 INFO L226 Difference]: Without dead ends: 103 [2021-12-06 17:44:32,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-12-06 17:44:32,249 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 139 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:44:32,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 114 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:44:32,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-12-06 17:44:32,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 64. [2021-12-06 17:44:32,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.1111111111111112) internal successors, (70), 63 states have internal predecessors, (70), 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) [2021-12-06 17:44:32,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2021-12-06 17:44:32,260 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 33 [2021-12-06 17:44:32,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:44:32,260 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2021-12-06 17:44:32,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 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) [2021-12-06 17:44:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2021-12-06 17:44:32,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-06 17:44:32,261 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:44:32,261 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:44:32,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 17:44:32,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 17:44:32,463 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:44:32,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:44:32,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1646708229, now seen corresponding path program 3 times [2021-12-06 17:44:32,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:44:32,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251509851] [2021-12-06 17:44:32,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:44:32,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:44:32,498 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:44:32,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [890813427] [2021-12-06 17:44:32,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 17:44:32,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:32,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:44:32,500 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:44:32,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 17:44:32,718 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-12-06 17:44:32,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:44:32,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 56 conjunts are in the unsatisfiable core [2021-12-06 17:44:32,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:44:32,734 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 10 treesize of output 8 [2021-12-06 17:44:32,758 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 11 treesize of output 7 [2021-12-06 17:44:32,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2021-12-06 17:44:32,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:32,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:32,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:32,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-06 17:44:32,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:32,837 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 37 treesize of output 24 [2021-12-06 17:44:32,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2021-12-06 17:44:32,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:32,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:32,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:32,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-06 17:44:32,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:44:32,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:32,926 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 37 treesize of output 24 [2021-12-06 17:44:33,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-12-06 17:44:33,107 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 17:44:33,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 137 treesize of output 125 [2021-12-06 17:44:33,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:44:33,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 153 [2021-12-06 17:44:33,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,160 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 39 [2021-12-06 17:44:33,288 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 17:44:33,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 100 [2021-12-06 17:44:33,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 117 [2021-12-06 17:44:33,311 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:44:33,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:33,337 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 32 [2021-12-06 17:44:33,544 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 17:44:33,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 56 treesize of output 32 [2021-12-06 17:44:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:44:33,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:44:35,661 INFO L354 Elim1Store]: treesize reduction 33, result has 43.1 percent of original size [2021-12-06 17:44:35,662 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 228 treesize of output 176 [2021-12-06 17:44:35,669 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 17:44:35,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 172 treesize of output 164 [2021-12-06 17:44:35,676 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-12-06 17:44:35,676 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 144 treesize of output 132 [2021-12-06 17:44:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:44:35,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:44:35,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251509851] [2021-12-06 17:44:35,744 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:44:35,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890813427] [2021-12-06 17:44:35,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890813427] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:44:35,745 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:44:35,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23] total 39 [2021-12-06 17:44:35,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609573529] [2021-12-06 17:44:35,745 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:44:35,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-12-06 17:44:35,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:44:35,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-12-06 17:44:35,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=1166, Unknown=1, NotChecked=0, Total=1482 [2021-12-06 17:44:35,746 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand has 39 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 39 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) [2021-12-06 17:44:36,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:44:36,799 INFO L93 Difference]: Finished difference Result 98 states and 108 transitions. [2021-12-06 17:44:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-06 17:44:36,799 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 39 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 34 [2021-12-06 17:44:36,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:44:36,800 INFO L225 Difference]: With dead ends: 98 [2021-12-06 17:44:36,800 INFO L226 Difference]: Without dead ends: 96 [2021-12-06 17:44:36,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 25 SyntacticMatches, 5 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=449, Invalid=1712, Unknown=1, NotChecked=0, Total=2162 [2021-12-06 17:44:36,802 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 44 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 172 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:44:36,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 96 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 135 Invalid, 0 Unknown, 172 Unchecked, 0.1s Time] [2021-12-06 17:44:36,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-12-06 17:44:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 86. [2021-12-06 17:44:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 85 states have (on average 1.1294117647058823) internal successors, (96), 85 states have internal predecessors, (96), 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) [2021-12-06 17:44:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2021-12-06 17:44:36,808 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 34 [2021-12-06 17:44:36,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:44:36,812 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2021-12-06 17:44:36,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 39 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) [2021-12-06 17:44:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2021-12-06 17:44:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-06 17:44:36,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:44:36,813 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:44:36,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-06 17:44:37,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:37,015 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:44:37,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:44:37,017 INFO L85 PathProgramCache]: Analyzing trace with hash -653025448, now seen corresponding path program 4 times [2021-12-06 17:44:37,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:44:37,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936772231] [2021-12-06 17:44:37,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:44:37,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:44:37,039 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:44:37,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1924144640] [2021-12-06 17:44:37,039 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 17:44:37,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:37,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:44:37,040 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:44:37,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 17:44:37,093 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 17:44:37,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:44:37,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 17:44:37,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:44:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 17:44:37,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:44:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 17:44:37,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:44:37,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936772231] [2021-12-06 17:44:37,218 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:44:37,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924144640] [2021-12-06 17:44:37,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924144640] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:44:37,218 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:44:37,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-12-06 17:44:37,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101768900] [2021-12-06 17:44:37,219 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:44:37,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 17:44:37,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:44:37,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 17:44:37,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:44:37,219 INFO L87 Difference]: Start difference. First operand 86 states and 96 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 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) [2021-12-06 17:44:37,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:44:37,444 INFO L93 Difference]: Finished difference Result 120 states and 128 transitions. [2021-12-06 17:44:37,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 17:44:37,444 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 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 34 [2021-12-06 17:44:37,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:44:37,445 INFO L225 Difference]: With dead ends: 120 [2021-12-06 17:44:37,445 INFO L226 Difference]: Without dead ends: 99 [2021-12-06 17:44:37,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2021-12-06 17:44:37,446 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 182 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:44:37,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 100 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:44:37,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-12-06 17:44:37,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 61. [2021-12-06 17:44:37,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 60 states have internal predecessors, (64), 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) [2021-12-06 17:44:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2021-12-06 17:44:37,451 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 34 [2021-12-06 17:44:37,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:44:37,451 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2021-12-06 17:44:37,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 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) [2021-12-06 17:44:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2021-12-06 17:44:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-06 17:44:37,452 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:44:37,452 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:44:37,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 17:44:37,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 17:44:37,654 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:44:37,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:44:37,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1259217666, now seen corresponding path program 5 times [2021-12-06 17:44:37,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:44:37,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299145687] [2021-12-06 17:44:37,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:44:37,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:44:37,703 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:44:37,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668692658] [2021-12-06 17:44:37,703 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 17:44:37,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:37,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:44:37,704 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:44:37,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 17:44:38,300 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-12-06 17:44:38,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:44:38,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 37 conjunts are in the unsatisfiable core [2021-12-06 17:44:38,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:44:38,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:44:38,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2021-12-06 17:44:38,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:38,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:38,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:38,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-06 17:44:38,382 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:44:38,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:38,388 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 28 treesize of output 17 [2021-12-06 17:44:38,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2021-12-06 17:44:38,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:38,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:38,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:38,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-06 17:44:38,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:44:38,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:38,434 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 28 treesize of output 17 [2021-12-06 17:44:38,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:38,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 17:44:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 17:44:38,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:44:38,899 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 25 treesize of output 23 [2021-12-06 17:44:38,913 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-12-06 17:44:38,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:44:38,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299145687] [2021-12-06 17:44:38,913 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:44:38,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668692658] [2021-12-06 17:44:38,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668692658] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:44:38,914 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:44:38,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 20 [2021-12-06 17:44:38,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327387141] [2021-12-06 17:44:38,914 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:44:38,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-06 17:44:38,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:44:38,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-06 17:44:38,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:44:38,915 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand has 20 states, 20 states have (on average 2.85) internal successors, (57), 20 states have internal predecessors, (57), 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) [2021-12-06 17:44:39,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:44:39,203 INFO L93 Difference]: Finished difference Result 109 states and 116 transitions. [2021-12-06 17:44:39,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 17:44:39,204 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.85) internal successors, (57), 20 states have internal predecessors, (57), 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 36 [2021-12-06 17:44:39,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:44:39,205 INFO L225 Difference]: With dead ends: 109 [2021-12-06 17:44:39,205 INFO L226 Difference]: Without dead ends: 107 [2021-12-06 17:44:39,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2021-12-06 17:44:39,205 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 105 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 104 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:44:39,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 122 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 230 Invalid, 0 Unknown, 104 Unchecked, 0.2s Time] [2021-12-06 17:44:39,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-12-06 17:44:39,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 73. [2021-12-06 17:44:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.0972222222222223) internal successors, (79), 72 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) [2021-12-06 17:44:39,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 79 transitions. [2021-12-06 17:44:39,211 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 79 transitions. Word has length 36 [2021-12-06 17:44:39,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:44:39,211 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 79 transitions. [2021-12-06 17:44:39,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.85) internal successors, (57), 20 states have internal predecessors, (57), 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) [2021-12-06 17:44:39,211 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2021-12-06 17:44:39,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 17:44:39,212 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:44:39,212 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:44:39,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 17:44:39,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 17:44:39,413 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:44:39,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:44:39,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1129715953, now seen corresponding path program 5 times [2021-12-06 17:44:39,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:44:39,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640794324] [2021-12-06 17:44:39,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:44:39,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:44:39,453 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:44:39,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590805538] [2021-12-06 17:44:39,453 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 17:44:39,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:39,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:44:39,455 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:44:39,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 17:44:39,791 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-12-06 17:44:39,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:44:39,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 55 conjunts are in the unsatisfiable core [2021-12-06 17:44:39,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:44:39,804 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 10 treesize of output 8 [2021-12-06 17:44:39,818 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 11 treesize of output 7 [2021-12-06 17:44:39,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 97 [2021-12-06 17:44:39,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:44:39,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 131 [2021-12-06 17:44:39,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,886 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 75 [2021-12-06 17:44:39,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-12-06 17:44:39,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:39,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-12-06 17:44:40,052 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 17:44:40,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 149 treesize of output 135 [2021-12-06 17:44:40,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:44:40,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 156 [2021-12-06 17:44:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,075 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 117 [2021-12-06 17:44:40,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:44:40,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:40,180 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-06 17:44:40,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 56 [2021-12-06 17:44:40,404 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-12-06 17:44:40,404 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 42 [2021-12-06 17:44:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:44:40,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:44:50,783 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:44:50,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:44:50,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640794324] [2021-12-06 17:44:50,783 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:44:50,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590805538] [2021-12-06 17:44:50,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590805538] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:44:50,784 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:44:50,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-12-06 17:44:50,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520610154] [2021-12-06 17:44:50,784 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:44:50,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-06 17:44:50,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:44:50,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-06 17:44:50,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=781, Unknown=0, NotChecked=0, Total=930 [2021-12-06 17:44:50,785 INFO L87 Difference]: Start difference. First operand 73 states and 79 transitions. Second operand has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 31 states have internal predecessors, (70), 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) [2021-12-06 17:44:57,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:44:57,409 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2021-12-06 17:44:57,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-06 17:44:57,410 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 31 states have internal predecessors, (70), 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 38 [2021-12-06 17:44:57,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:44:57,410 INFO L225 Difference]: With dead ends: 94 [2021-12-06 17:44:57,410 INFO L226 Difference]: Without dead ends: 70 [2021-12-06 17:44:57,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=333, Invalid=1389, Unknown=0, NotChecked=0, Total=1722 [2021-12-06 17:44:57,411 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 61 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 164 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:44:57,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 162 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 372 Invalid, 0 Unknown, 164 Unchecked, 1.3s Time] [2021-12-06 17:44:57,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-12-06 17:44:57,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 51. [2021-12-06 17:44:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.12) internal successors, (56), 50 states have internal predecessors, (56), 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) [2021-12-06 17:44:57,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2021-12-06 17:44:57,415 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 38 [2021-12-06 17:44:57,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:44:57,416 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2021-12-06 17:44:57,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 31 states have internal predecessors, (70), 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) [2021-12-06 17:44:57,416 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2021-12-06 17:44:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-06 17:44:57,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:44:57,416 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:44:57,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-06 17:44:57,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-06 17:44:57,618 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:44:57,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:44:57,619 INFO L85 PathProgramCache]: Analyzing trace with hash 173090424, now seen corresponding path program 6 times [2021-12-06 17:44:57,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:44:57,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027760759] [2021-12-06 17:44:57,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:44:57,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:44:57,664 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:44:57,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1726313702] [2021-12-06 17:44:57,664 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-06 17:44:57,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:44:57,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:44:57,665 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:44:57,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 17:44:58,269 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-12-06 17:44:58,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:44:58,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 61 conjunts are in the unsatisfiable core [2021-12-06 17:44:58,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:44:58,285 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 10 treesize of output 8 [2021-12-06 17:44:58,302 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 11 treesize of output 7 [2021-12-06 17:44:58,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 97 [2021-12-06 17:44:58,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:44:58,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 131 [2021-12-06 17:44:58,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 63 [2021-12-06 17:44:58,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 118 [2021-12-06 17:44:58,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 160 [2021-12-06 17:44:58,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 105 [2021-12-06 17:44:58,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2021-12-06 17:44:58,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2021-12-06 17:44:58,776 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 17:44:58,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 157 treesize of output 139 [2021-12-06 17:44:58,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:44:58,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 153 [2021-12-06 17:44:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:58,873 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 73 [2021-12-06 17:44:59,030 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 17:44:59,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 114 [2021-12-06 17:44:59,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 117 [2021-12-06 17:44:59,056 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:44:59,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,074 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 32 [2021-12-06 17:44:59,199 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 17:44:59,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 114 [2021-12-06 17:44:59,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 117 [2021-12-06 17:44:59,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:44:59,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 28 [2021-12-06 17:44:59,496 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-12-06 17:44:59,496 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 76 treesize of output 40 [2021-12-06 17:44:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:44:59,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:46:08,334 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:46:08,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 61574 treesize of output 34382 [2021-12-06 17:46:08,504 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:46:08,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 34382 treesize of output 33364 [2021-12-06 17:46:08,697 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:46:08,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 33364 treesize of output 33306 [2021-12-06 17:46:08,876 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:46:08,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 33306 treesize of output 33184 [2021-12-06 17:46:09,134 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:46:09,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 33184 treesize of output 33126 [2021-12-06 17:46:10,805 INFO L354 Elim1Store]: treesize reduction 3559, result has 10.5 percent of original size [2021-12-06 17:46:10,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 25 case distinctions, treesize of input 33170 treesize of output 33405 [2021-12-06 17:46:11,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:46:11,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027760759] [2021-12-06 17:46:11,259 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:46:11,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726313702] [2021-12-06 17:46:11,259 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-12-06 17:46:11,259 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:46:11,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-12-06 17:46:11,259 ERROR L172 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2021-12-06 17:46:11,259 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-12-06 17:46:11,263 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:46:11,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-06 17:46:11,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 17:46:11,475 INFO L732 BasicCegarLoop]: Path program histogram: [6, 5, 1, 1, 1, 1] [2021-12-06 17:46:11,481 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:46:11,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:46:11 BoogieIcfgContainer [2021-12-06 17:46:11,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:46:11,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:46:11,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:46:11,497 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:46:11,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:43:54" (3/4) ... [2021-12-06 17:46:11,500 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 17:46:11,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:46:11,500 INFO L158 Benchmark]: Toolchain (without parser) took 137333.50ms. Allocated memory was 96.5MB in the beginning and 140.5MB in the end (delta: 44.0MB). Free memory was 65.4MB in the beginning and 42.8MB in the end (delta: 22.6MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2021-12-06 17:46:11,500 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 53.8MB in the beginning and 53.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:46:11,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.23ms. Allocated memory is still 96.5MB. Free memory was 65.1MB in the beginning and 72.2MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 17:46:11,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.98ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 70.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:46:11,501 INFO L158 Benchmark]: Boogie Preprocessor took 18.46ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 69.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:46:11,501 INFO L158 Benchmark]: RCFGBuilder took 239.37ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 58.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:46:11,501 INFO L158 Benchmark]: TraceAbstraction took 136846.13ms. Allocated memory was 96.5MB in the beginning and 140.5MB in the end (delta: 44.0MB). Free memory was 58.2MB in the beginning and 42.8MB in the end (delta: 15.4MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2021-12-06 17:46:11,501 INFO L158 Benchmark]: Witness Printer took 2.59ms. Allocated memory is still 140.5MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:46:11,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 53.8MB in the beginning and 53.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.23ms. Allocated memory is still 96.5MB. Free memory was 65.1MB in the beginning and 72.2MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.98ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 70.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.46ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 69.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 239.37ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 58.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 136846.13ms. Allocated memory was 96.5MB in the beginning and 140.5MB in the end (delta: 44.0MB). Free memory was 58.2MB in the beginning and 42.8MB in the end (delta: 15.4MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. * Witness Printer took 2.59ms. Allocated memory is still 140.5MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 15]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] long long i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L31] i=0 [L31] COND TRUE i main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0db5597ff96f0e5a728327333d32dd7df56f4b1fb643f99ebf0f69cacecd717 [2021-12-06 17:46:13,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:46:13,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:46:13,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:46:13,386 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:46:13,386 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:46:13,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-fpi/ifeqn4.c [2021-12-06 17:46:13,429 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/data/e5a468f66/8c501b11d25b4c928ffdf116d07e18ae/FLAG71cbfc797 [2021-12-06 17:46:13,820 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:46:13,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/sv-benchmarks/c/array-fpi/ifeqn4.c [2021-12-06 17:46:13,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/data/e5a468f66/8c501b11d25b4c928ffdf116d07e18ae/FLAG71cbfc797 [2021-12-06 17:46:13,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/data/e5a468f66/8c501b11d25b4c928ffdf116d07e18ae [2021-12-06 17:46:13,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:46:13,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:46:13,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:46:13,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:46:13,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:46:13,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:46:13" (1/1) ... [2021-12-06 17:46:13,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5ed4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:13, skipping insertion in model container [2021-12-06 17:46:13,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:46:13" (1/1) ... [2021-12-06 17:46:13,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:46:13,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:46:13,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2021-12-06 17:46:13,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:46:13,976 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:46:13,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2021-12-06 17:46:14,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:46:14,016 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:46:14,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14 WrapperNode [2021-12-06 17:46:14,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:46:14,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:46:14,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:46:14,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:46:14,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14" (1/1) ... [2021-12-06 17:46:14,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14" (1/1) ... [2021-12-06 17:46:14,043 INFO L137 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2021-12-06 17:46:14,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:46:14,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:46:14,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:46:14,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:46:14,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14" (1/1) ... [2021-12-06 17:46:14,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14" (1/1) ... [2021-12-06 17:46:14,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14" (1/1) ... [2021-12-06 17:46:14,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14" (1/1) ... [2021-12-06 17:46:14,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14" (1/1) ... [2021-12-06 17:46:14,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14" (1/1) ... [2021-12-06 17:46:14,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14" (1/1) ... [2021-12-06 17:46:14,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:46:14,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:46:14,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:46:14,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:46:14,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14" (1/1) ... [2021-12-06 17:46:14,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:46:14,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:46:14,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:46:14,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:46:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:46:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 17:46:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-06 17:46:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:46:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:46:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:46:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-06 17:46:14,188 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:46:14,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:46:14,427 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:46:14,432 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:46:14,432 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 17:46:14,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:46:14 BoogieIcfgContainer [2021-12-06 17:46:14,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:46:14,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:46:14,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:46:14,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:46:14,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:46:13" (1/3) ... [2021-12-06 17:46:14,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abc73a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:46:14, skipping insertion in model container [2021-12-06 17:46:14,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:14" (2/3) ... [2021-12-06 17:46:14,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abc73a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:46:14, skipping insertion in model container [2021-12-06 17:46:14,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:46:14" (3/3) ... [2021-12-06 17:46:14,441 INFO L111 eAbstractionObserver]: Analyzing ICFG ifeqn4.c [2021-12-06 17:46:14,445 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:46:14,446 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:46:14,479 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:46:14,485 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 [2021-12-06 17:46:14,485 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:46:14,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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) [2021-12-06 17:46:14,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 17:46:14,499 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:46:14,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:46:14,500 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:46:14,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:46:14,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1670316217, now seen corresponding path program 1 times [2021-12-06 17:46:14,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:46:14,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258375552] [2021-12-06 17:46:14,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:46:14,514 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:46:14,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:46:14,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:46:14,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 17:46:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:14,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 17:46:14,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:46:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:46:14,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:46:14,650 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:46:14,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1258375552] [2021-12-06 17:46:14,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1258375552] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:46:14,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:46:14,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:46:14,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168238945] [2021-12-06 17:46:14,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:46:14,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:46:14,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:46:14,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:46:14,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:46:14,694 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-12-06 17:46:14,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:46:14,705 INFO L93 Difference]: Finished difference Result 42 states and 60 transitions. [2021-12-06 17:46:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:46:14,707 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-12-06 17:46:14,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:46:14,713 INFO L225 Difference]: With dead ends: 42 [2021-12-06 17:46:14,713 INFO L226 Difference]: Without dead ends: 19 [2021-12-06 17:46:14,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:46:14,718 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:46:14,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:46:14,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-12-06 17:46:14,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-12-06 17:46:14,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 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) [2021-12-06 17:46:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2021-12-06 17:46:14,741 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2021-12-06 17:46:14,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:46:14,741 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-12-06 17:46:14,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-12-06 17:46:14,742 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-12-06 17:46:14,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 17:46:14,742 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:46:14,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:46:14,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:46:14,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:46:14,943 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:46:14,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:46:14,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1000416578, now seen corresponding path program 1 times [2021-12-06 17:46:14,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:46:14,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502662231] [2021-12-06 17:46:14,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:46:14,945 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:46:14,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:46:14,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:46:14,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 17:46:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:15,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 17:46:15,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:46:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:46:15,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:46:15,160 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:46:15,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502662231] [2021-12-06 17:46:15,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502662231] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:46:15,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:46:15,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:46:15,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441269113] [2021-12-06 17:46:15,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:46:15,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:46:15,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:46:15,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:46:15,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:46:15,163 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-06 17:46:15,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:46:15,409 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2021-12-06 17:46:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:46:15,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2021-12-06 17:46:15,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:46:15,417 INFO L225 Difference]: With dead ends: 45 [2021-12-06 17:46:15,417 INFO L226 Difference]: Without dead ends: 31 [2021-12-06 17:46:15,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:46:15,418 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 66 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:46:15,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 15 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:46:15,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-12-06 17:46:15,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23. [2021-12-06 17:46:15,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 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) [2021-12-06 17:46:15,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-12-06 17:46:15,424 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-12-06 17:46:15,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:46:15,424 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-12-06 17:46:15,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-06 17:46:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-12-06 17:46:15,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-06 17:46:15,425 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:46:15,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:46:15,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-06 17:46:15,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:46:15,628 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:46:15,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:46:15,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1992201947, now seen corresponding path program 1 times [2021-12-06 17:46:15,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:46:15,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36108359] [2021-12-06 17:46:15,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:46:15,633 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:46:15,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:46:15,634 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:46:15,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 17:46:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:15,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 17:46:15,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:46:15,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:15,790 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 18 treesize of output 19 [2021-12-06 17:46:15,896 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:46:15,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 29 [2021-12-06 17:46:15,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 17:46:15,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:46:15,911 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:46:15,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36108359] [2021-12-06 17:46:15,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36108359] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:46:15,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:46:15,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:46:15,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839902377] [2021-12-06 17:46:15,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:46:15,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:46:15,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:46:15,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:46:15,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:46:15,913 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-12-06 17:46:16,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:46:16,154 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2021-12-06 17:46:16,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:46:16,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2021-12-06 17:46:16,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:46:16,155 INFO L225 Difference]: With dead ends: 40 [2021-12-06 17:46:16,155 INFO L226 Difference]: Without dead ends: 38 [2021-12-06 17:46:16,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:46:16,157 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 33 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:46:16,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 61 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:46:16,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-12-06 17:46:16,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 28. [2021-12-06 17:46:16,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 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) [2021-12-06 17:46:16,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-12-06 17:46:16,162 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 18 [2021-12-06 17:46:16,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:46:16,162 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-12-06 17:46:16,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-12-06 17:46:16,163 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-12-06 17:46:16,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-06 17:46:16,163 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:46:16,163 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:46:16,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 17:46:16,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:46:16,365 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:46:16,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:46:16,367 INFO L85 PathProgramCache]: Analyzing trace with hash 259417010, now seen corresponding path program 1 times [2021-12-06 17:46:16,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:46:16,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1577723546] [2021-12-06 17:46:16,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:46:16,370 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:46:16,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:46:16,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:46:16,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 17:46:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:16,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:46:16,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:46:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:46:16,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:46:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:46:16,948 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:46:16,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1577723546] [2021-12-06 17:46:16,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1577723546] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:46:16,948 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:46:16,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 14 [2021-12-06 17:46:16,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235915092] [2021-12-06 17:46:16,948 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:46:16,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 17:46:16,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:46:16,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 17:46:16,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2021-12-06 17:46:16,950 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 14 states have internal predecessors, (33), 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) [2021-12-06 17:46:17,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:46:17,543 INFO L93 Difference]: Finished difference Result 75 states and 89 transitions. [2021-12-06 17:46:17,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:46:17,544 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 14 states have internal predecessors, (33), 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 21 [2021-12-06 17:46:17,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:46:17,545 INFO L225 Difference]: With dead ends: 75 [2021-12-06 17:46:17,545 INFO L226 Difference]: Without dead ends: 43 [2021-12-06 17:46:17,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-12-06 17:46:17,547 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 143 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:46:17,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 63 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 17:46:17,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-12-06 17:46:17,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 29. [2021-12-06 17:46:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 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) [2021-12-06 17:46:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2021-12-06 17:46:17,551 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 21 [2021-12-06 17:46:17,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:46:17,552 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2021-12-06 17:46:17,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 14 states have internal predecessors, (33), 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) [2021-12-06 17:46:17,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2021-12-06 17:46:17,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 17:46:17,552 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:46:17,552 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:46:17,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 17:46:17,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:46:17,754 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:46:17,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:46:17,756 INFO L85 PathProgramCache]: Analyzing trace with hash 939318754, now seen corresponding path program 1 times [2021-12-06 17:46:17,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:46:17,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344916863] [2021-12-06 17:46:17,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:46:17,758 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:46:17,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:46:17,761 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:46:17,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 17:46:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:17,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-06 17:46:17,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:46:17,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:17,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:17,971 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 18 treesize of output 19 [2021-12-06 17:46:18,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:18,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:18,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:18,040 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:46:18,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 43 [2021-12-06 17:46:18,107 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:46:18,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 29 [2021-12-06 17:46:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:46:18,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:46:19,010 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 77 treesize of output 73 [2021-12-06 17:46:22,741 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:46:22,742 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:46:22,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344916863] [2021-12-06 17:46:22,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344916863] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:46:22,742 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:46:22,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-12-06 17:46:22,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330341944] [2021-12-06 17:46:22,742 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:46:22,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 17:46:22,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:46:22,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 17:46:22,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-12-06 17:46:22,743 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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) [2021-12-06 17:46:26,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:46:26,554 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2021-12-06 17:46:26,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-06 17:46:26,562 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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 24 [2021-12-06 17:46:26,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:46:26,562 INFO L225 Difference]: With dead ends: 78 [2021-12-06 17:46:26,562 INFO L226 Difference]: Without dead ends: 76 [2021-12-06 17:46:26,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2021-12-06 17:46:26,564 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 63 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:46:26,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 95 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 115 Invalid, 0 Unknown, 71 Unchecked, 1.5s Time] [2021-12-06 17:46:26,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-12-06 17:46:26,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 43. [2021-12-06 17:46:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 42 states have internal predecessors, (50), 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) [2021-12-06 17:46:26,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2021-12-06 17:46:26,570 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 24 [2021-12-06 17:46:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:46:26,570 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2021-12-06 17:46:26,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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) [2021-12-06 17:46:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2021-12-06 17:46:26,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 17:46:26,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:46:26,571 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:46:26,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 17:46:26,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:46:26,773 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:46:26,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:46:26,775 INFO L85 PathProgramCache]: Analyzing trace with hash 430403928, now seen corresponding path program 1 times [2021-12-06 17:46:26,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:46:26,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986731575] [2021-12-06 17:46:26,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:46:26,777 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:46:26,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:46:26,779 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:46:26,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a7fe38-a91c-46eb-91a1-6fa8b7871033/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 17:46:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:46:27,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 28 conjunts are in the unsatisfiable core [2021-12-06 17:46:27,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:46:27,091 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 24 treesize of output 22 [2021-12-06 17:46:27,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-12-06 17:46:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 43 [2021-12-06 17:46:27,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 43 [2021-12-06 17:46:27,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:46:27,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:46:27,426 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-06 17:46:27,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 99 treesize of output 75 [2021-12-06 17:46:27,776 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-12-06 17:46:27,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 109 treesize of output 57 [2021-12-06 17:46:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:46:27,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:46:33,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:46:38,566 INFO L354 Elim1Store]: treesize reduction 244, result has 22.3 percent of original size [2021-12-06 17:46:38,567 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 4424718 treesize of output 2065491 [2021-12-06 17:46:42,106 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:46:42,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2280500 treesize of output 2112568 [2021-12-06 17:46:53,353 WARN L227 SmtUtils]: Spent 7.68s on a formula simplification. DAG size of input: 761 DAG size of output: 761 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-06 17:47:47,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:47:47,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:47:47,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:47:47,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:47:52,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:47:52,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:47:52,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:47:52,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:47:59,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:47:59,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:47:59,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:47:59,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:01,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:03,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:03,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:03,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:03,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:03,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:03,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:03,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:03,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:04,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:14,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:14,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:14,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:14,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:20,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:20,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:20,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:20,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:22,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:22,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:22,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:22,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:23,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:23,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:23,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:23,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:23,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:23,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:23,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:23,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:27,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:27,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:27,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:27,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:34,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:37,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:37,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:37,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:37,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:42,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:42,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:42,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:42,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:42,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:42,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:42,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:42,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:50,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:50,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:50,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:50,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:52,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:52,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:52,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:52,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:52,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:52,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:52,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:52,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:54,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:54,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:54,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:54,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:54,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:54,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:54,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:48:54,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:02,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:02,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:02,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:02,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:11,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:13,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:15,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:15,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:15,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:15,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:15,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:15,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:15,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:15,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:16,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:17,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:18,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:25,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:26,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:35,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:35,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:35,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:35,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:39,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:39,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:39,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:39,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:45,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:45,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:45,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:45,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:46,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:46,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:46,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:46,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:48,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:48,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:48,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:48,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:48,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:48,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:48,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:48,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:49,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:49,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:49,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:49,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:49,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:49,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:49,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:49,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:49:50,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:07,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:07,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:07,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:07,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:07,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:07,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:07,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:07,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:08,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:12,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:12,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:12,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:12,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:18,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:23,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:31,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:31,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:31,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:31,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:36,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:36,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:36,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:36,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:37,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:37,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:37,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:37,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:37,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:37,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:37,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:37,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:44,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:46,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:46,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:46,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:46,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:46,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:46,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:46,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:46,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:48,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:48,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:48,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:50:48,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:03,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:03,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:03,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:03,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:22,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:22,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:22,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:22,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:30,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:30,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:30,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:30,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:31,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:37,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:37,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:37,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:37,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:45,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:58,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:58,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:58,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:51:58,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:00,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:16,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:16,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:16,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:16,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:23,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:23,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:23,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:23,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:23,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:23,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:23,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:23,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:43,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:43,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:43,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:43,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:44,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:44,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:44,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:44,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:50,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:50,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:50,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:52:50,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:00,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:14,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:14,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:14,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:15,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:15,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:15,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:15,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:15,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:23,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:23,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:23,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:23,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:24,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:24,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:24,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:24,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:24,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:24,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:24,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:24,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:30,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:30,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:30,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:30,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:57,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:57,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:57,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:57,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:57,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:57,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:57,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:57,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:53:58,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:19,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:19,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:19,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:19,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:26,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:26,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:26,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:26,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:26,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:26,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:26,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:26,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:28,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:28,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:28,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:28,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:44,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:50,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:50,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:50,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:50,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:57,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:57,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:57,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:57,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:57,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:57,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:57,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:54:57,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:15,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:16,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:41,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:41,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:41,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:41,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:42,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:42,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:42,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:42,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:42,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:42,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:42,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:42,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:44,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:44,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:44,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:44,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:52,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:52,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:52,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:52,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:52,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:52,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:52,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:55:52,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:00,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:00,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:00,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:00,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:06,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:06,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:06,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:06,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:13,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:13,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:13,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:13,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:13,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:13,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:13,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:13,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:30,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:30,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:30,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:30,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:31,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:31,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:31,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:31,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:31,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:31,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:31,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:31,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:32,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:32,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:32,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:32,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:32,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:32,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:32,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:32,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:46,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:46,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:46,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:46,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:53,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:53,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:53,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:53,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:53,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:53,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:53,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:53,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:55,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:55,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:55,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:55,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:11,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:17,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:17,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:17,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:17,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:24,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:24,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:24,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:24,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:24,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:24,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:24,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:24,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:41,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:41,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:41,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:41,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:42,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:43,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:43,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:43,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:43,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:47,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:47,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:47,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:57:47,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:04,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:04,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:04,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:04,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:17,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:58:32,934 INFO L173 IndexEqualityManager]: detected equality via solver