./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/ring_1w1r-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7e9feb6929ab81158cc9d6731414a71af210f92cb571da2954e02689fee6d2b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:41:47,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:41:47,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:41:47,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:41:47,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:41:47,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:41:47,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:41:47,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:41:47,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:41:47,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:41:47,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:41:47,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:41:47,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:41:47,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:41:47,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:41:47,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:41:47,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:41:47,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:41:47,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:41:47,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:41:47,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:41:47,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:41:47,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:41:47,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:41:47,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:41:47,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:41:47,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:41:47,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:41:47,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:41:47,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:41:47,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:41:47,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:41:47,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:41:47,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:41:47,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:41:47,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:41:47,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:41:47,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:41:47,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:41:47,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:41:47,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:41:47,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:41:47,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:41:47,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:41:47,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:41:47,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:41:47,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:41:47,457 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:41:47,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:41:47,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:41:47,459 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:41:47,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:41:47,459 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:41:47,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:41:47,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:41:47,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:41:47,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:41:47,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:41:47,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:41:47,461 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:41:47,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:41:47,462 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:41:47,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:41:47,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:41:47,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:41:47,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:41:47,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:41:47,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:41:47,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:41:47,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:41:47,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:41:47,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:41:47,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:41:47,465 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:41:47,465 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:41:47,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:41:47,466 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:41:47,466 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:41:47,466 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_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7e9feb6929ab81158cc9d6731414a71af210f92cb571da2954e02689fee6d2b [2021-11-19 05:41:47,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:41:47,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:41:47,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:41:47,823 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:41:47,828 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:41:47,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-divine/ring_1w1r-2.i [2021-11-19 05:41:47,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/data/12637247f/1ace408c8f3f4e15955ca0269b66ab1c/FLAGbf599ab3b [2021-11-19 05:41:48,668 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:41:48,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i [2021-11-19 05:41:48,701 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/data/12637247f/1ace408c8f3f4e15955ca0269b66ab1c/FLAGbf599ab3b [2021-11-19 05:41:48,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/data/12637247f/1ace408c8f3f4e15955ca0269b66ab1c [2021-11-19 05:41:48,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:41:48,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:41:48,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:41:48,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:41:48,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:41:48,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:41:48" (1/1) ... [2021-11-19 05:41:48,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202366b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48, skipping insertion in model container [2021-11-19 05:41:48,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:41:48" (1/1) ... [2021-11-19 05:41:48,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:41:48,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:41:49,152 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-19 05:41:49,583 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_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39095,39108] [2021-11-19 05:41:49,593 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_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39180,39193] [2021-11-19 05:41:49,595 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_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39232,39245] [2021-11-19 05:41:49,611 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:41:49,624 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:41:49,650 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-19 05:41:49,702 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_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39095,39108] [2021-11-19 05:41:49,704 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_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39180,39193] [2021-11-19 05:41:49,705 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_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39232,39245] [2021-11-19 05:41:49,710 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:41:49,774 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:41:49,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49 WrapperNode [2021-11-19 05:41:49,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:41:49,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:41:49,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:41:49,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:41:49,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49" (1/1) ... [2021-11-19 05:41:49,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49" (1/1) ... [2021-11-19 05:41:49,877 INFO L137 Inliner]: procedures = 224, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2021-11-19 05:41:49,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:41:49,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:41:49,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:41:49,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:41:49,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49" (1/1) ... [2021-11-19 05:41:49,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49" (1/1) ... [2021-11-19 05:41:49,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49" (1/1) ... [2021-11-19 05:41:49,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49" (1/1) ... [2021-11-19 05:41:49,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49" (1/1) ... [2021-11-19 05:41:49,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49" (1/1) ... [2021-11-19 05:41:49,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49" (1/1) ... [2021-11-19 05:41:49,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:41:49,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:41:49,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:41:49,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:41:49,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49" (1/1) ... [2021-11-19 05:41:49,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:41:50,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:41:50,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:41:50,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:41:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2021-11-19 05:41:50,095 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2021-11-19 05:41:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:41:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:41:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:41:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:41:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:41:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:41:50,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:41:50,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:41:50,099 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:41:50,271 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:41:50,273 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:41:50,708 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:41:50,751 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:41:50,752 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 05:41:50,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:41:50 BoogieIcfgContainer [2021-11-19 05:41:50,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:41:50,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:41:50,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:41:50,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:41:50,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:41:48" (1/3) ... [2021-11-19 05:41:50,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782f83a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:41:50, skipping insertion in model container [2021-11-19 05:41:50,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:49" (2/3) ... [2021-11-19 05:41:50,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782f83a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:41:50, skipping insertion in model container [2021-11-19 05:41:50,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:41:50" (3/3) ... [2021-11-19 05:41:50,766 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-2.i [2021-11-19 05:41:50,773 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:41:50,774 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:41:50,774 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 05:41:50,774 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:41:50,843 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,844 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,844 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,844 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,845 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,845 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,845 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,846 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,846 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,846 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,846 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,847 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,847 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,847 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,847 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,848 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,848 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,848 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,849 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,849 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,849 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,850 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,850 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,850 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,851 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,851 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,851 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,852 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,852 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,852 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,853 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,853 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,853 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,854 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,854 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,854 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,855 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,855 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,855 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,856 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,856 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,856 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,857 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,857 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,857 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,857 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,858 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,858 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,858 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,859 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,859 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,859 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,860 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,860 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,860 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,860 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,861 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,861 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,861 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,862 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,862 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,862 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,862 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,863 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,863 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,863 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,864 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,864 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,864 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,865 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,865 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,865 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,866 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,866 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,866 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,866 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,867 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,867 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,868 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,868 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,868 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,868 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,869 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,869 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,869 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,870 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,870 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,870 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,871 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,871 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,871 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,872 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,872 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,872 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,873 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,873 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,873 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,873 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,874 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,874 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,874 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,875 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,875 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,875 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,875 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,876 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,876 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,877 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,877 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,877 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,878 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,878 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,878 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,878 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,879 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,879 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,879 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,880 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,880 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,880 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,881 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,881 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,881 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,882 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,882 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,882 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,883 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,883 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,883 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,883 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,884 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,884 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,884 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,885 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,885 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,885 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,886 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,886 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,886 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,887 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,887 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,887 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,888 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,888 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,888 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,889 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,889 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,889 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,890 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,890 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,890 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,891 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,891 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,891 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,891 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,892 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,892 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,892 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,892 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,893 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,893 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,893 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,894 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,894 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,894 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,895 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,895 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,895 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,895 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,896 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,896 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,896 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,896 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,897 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,897 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,897 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,898 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,898 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,898 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,898 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,899 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,899 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,899 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,900 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,900 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,900 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,900 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,901 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,901 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,901 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,901 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,902 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,902 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,902 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,903 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,903 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,903 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,903 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,904 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,904 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,904 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,905 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,905 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,905 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,905 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,906 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,906 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,906 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,907 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,907 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,907 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,907 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,908 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,908 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,908 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,909 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,909 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,909 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,910 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,910 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,910 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,911 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,911 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,911 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,911 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,912 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,912 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,914 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,915 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,916 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,916 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,916 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,917 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,917 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,917 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,932 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,933 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,933 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,933 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,934 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,934 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,934 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,935 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,935 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,935 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,935 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,936 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,936 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,936 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,936 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,937 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,937 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,937 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,937 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,938 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,938 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,942 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,956 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,957 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,957 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,957 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,958 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,958 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,958 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,959 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,959 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,959 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,960 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,960 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,960 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,960 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,960 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,961 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,961 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,961 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,961 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,961 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,962 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,962 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,962 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,962 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,962 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,963 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,963 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,963 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:50,969 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-19 05:41:51,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:41:51,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:41:51,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:41:51,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-19 05:41:51,122 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == reader_fnThread1of1ForFork0 ======== [2021-11-19 05:41:51,132 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:41:51,133 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 05:41:51,270 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:41:51,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:41:51,276 INFO L85 PathProgramCache]: Analyzing trace with hash 506434889, now seen corresponding path program 1 times [2021-11-19 05:41:51,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:41:51,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824070559] [2021-11-19 05:41:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:51,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:41:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:51,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:41:51,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:51,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824070559] [2021-11-19 05:41:51,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824070559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:41:51,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:41:51,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:41:51,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268171490] [2021-11-19 05:41:51,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:41:51,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:41:51,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:41:51,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:41:51,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:41:51,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:51,677 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:41:51,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:41:51,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:41:51,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:41:51,860 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:41:51,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:41:51,862 INFO L85 PathProgramCache]: Analyzing trace with hash -654644372, now seen corresponding path program 1 times [2021-11-19 05:41:51,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:41:51,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673165921] [2021-11-19 05:41:51,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:51,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:41:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:52,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:41:52,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:52,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673165921] [2021-11-19 05:41:52,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673165921] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:41:52,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:41:52,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-19 05:41:52,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749656402] [2021-11-19 05:41:52,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:41:52,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-19 05:41:52,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:41:52,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-19 05:41:52,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-11-19 05:41:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:53,001 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:41:53,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:41:53,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:41:53,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:55,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:41:55,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:41:55,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:41:55,379 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:41:55,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:41:55,380 INFO L85 PathProgramCache]: Analyzing trace with hash 2038632444, now seen corresponding path program 1 times [2021-11-19 05:41:55,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:41:55,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559656152] [2021-11-19 05:41:55,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:55,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:41:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:41:59,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:59,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559656152] [2021-11-19 05:41:59,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559656152] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:41:59,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626560497] [2021-11-19 05:41:59,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:59,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:41:59,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:41:59,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:41:59,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 05:41:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:59,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-19 05:41:59,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:42:00,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-19 05:42:00,093 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:42:00,093 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 11 treesize of output 11 [2021-11-19 05:42:00,205 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 13 treesize of output 9 [2021-11-19 05:42:00,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2021-11-19 05:42:00,566 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-19 05:42:00,567 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 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-19 05:42:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:42:02,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:42:03,028 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-11-19 05:42:03,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 38 [2021-11-19 05:42:03,813 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:42:03,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 99 [2021-11-19 05:42:03,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-11-19 05:42:03,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-11-19 05:42:05,610 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-11-19 05:42:05,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 53 [2021-11-19 05:42:05,728 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:05,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:44:48,916 INFO L354 Elim1Store]: treesize reduction 163, result has 35.8 percent of original size [2021-11-19 05:44:48,917 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 1109 treesize of output 643 [2021-11-19 05:44:48,948 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:44:48,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 667 treesize of output 637 [2021-11-19 05:44:49,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:44:49,031 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 15 treesize of output 9 [2021-11-19 05:44:50,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-19 05:44:50,704 INFO L354 Elim1Store]: treesize reduction 84, result has 66.0 percent of original size [2021-11-19 05:44:50,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 4425 treesize of output 3636 [2021-11-19 05:45:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:45:07,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626560497] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:45:07,740 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:45:07,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 33, 31] total 90 [2021-11-19 05:45:07,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982473767] [2021-11-19 05:45:07,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:45:07,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2021-11-19 05:45:07,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:07,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-11-19 05:45:07,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=7662, Unknown=44, NotChecked=0, Total=8010 [2021-11-19 05:45:07,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:07,747 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:07,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 3.1) internal successors, (279), 90 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:45:07,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:07,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:45:07,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:45:27,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-11-19 05:45:27,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-19 05:45:27,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:45:27,331 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:27,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:27,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1174201338, now seen corresponding path program 1 times [2021-11-19 05:45:27,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:27,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631360037] [2021-11-19 05:45:27,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:27,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-19 05:45:27,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:27,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631360037] [2021-11-19 05:45:27,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631360037] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:45:27,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206988074] [2021-11-19 05:45:27,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:27,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:45:27,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:45:27,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:45:27,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 05:45:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:27,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:45:27,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:45:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-19 05:45:27,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:45:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-19 05:45:28,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206988074] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:45:28,009 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:45:28,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-19 05:45:28,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783320640] [2021-11-19 05:45:28,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:45:28,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:45:28,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:28,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:45:28,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:45:28,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:28,011 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:28,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:45:28,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:28,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:45:28,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-11-19 05:45:28,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:45:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-11-19 05:45:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:28,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:45:28,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-19 05:45:28,494 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:28,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:28,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1887045925, now seen corresponding path program 1 times [2021-11-19 05:45:28,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:28,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360452468] [2021-11-19 05:45:28,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:28,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-19 05:45:29,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:29,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360452468] [2021-11-19 05:45:29,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360452468] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:45:29,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:45:29,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-19 05:45:29,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356765343] [2021-11-19 05:45:29,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:45:29,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-19 05:45:29,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:29,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-19 05:45:29,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-11-19 05:45:29,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:29,530 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:29,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.285714285714286) internal successors, (120), 28 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:45:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:29,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:45:29,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-11-19 05:45:29,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:29,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:45:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:45:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:42,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-19 05:45:42,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 05:45:42,591 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:42,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:42,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1773631740, now seen corresponding path program 1 times [2021-11-19 05:45:42,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:42,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416722435] [2021-11-19 05:45:42,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:42,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:45:45,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:45,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416722435] [2021-11-19 05:45:45,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416722435] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:45:45,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134080542] [2021-11-19 05:45:45,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:45,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:45:45,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:45:45,058 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:45:45,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 05:45:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:45,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-19 05:45:45,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:45:45,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-19 05:45:45,213 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:45:45,213 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 11 treesize of output 11 [2021-11-19 05:45:45,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:45:45,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2021-11-19 05:45:45,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 18 [2021-11-19 05:45:45,380 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-19 05:45:45,381 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 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-19 05:45:46,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:45:46,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:45:46,224 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-11-19 05:45:46,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 38 [2021-11-19 05:45:46,372 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:45:46,373 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 34 treesize of output 25 [2021-11-19 05:45:46,669 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:45:46,669 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 34 treesize of output 25 [2021-11-19 05:45:47,008 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:45:47,008 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 29 treesize of output 13 [2021-11-19 05:45:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:45:47,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:46:13,433 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse4 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse3 (let ((.cse5 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|)) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse5 (+ (* (select .cse5 .cse4) 4) |c_ULTIMATE.start_main_~#r~2#1.offset| 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse0 (+ (select .cse3 .cse4) 1))) (let ((.cse1 (mod .cse0 4))) (let ((.cse2 (+ (select (store .cse3 .cse4 .cse1) |c_ULTIMATE.start_main_~#r~2#1.offset|) 1))) (or (and (< .cse0 0) (not (= .cse1 0))) (<= 0 .cse2) (= (mod .cse2 4) 0)))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse8 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse12 (let ((.cse13 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|)) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse13 (+ (* (select .cse13 .cse8) 4) |c_ULTIMATE.start_main_~#r~2#1.offset| 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse10 (+ (select .cse12 .cse8) 1))) (let ((.cse11 (mod .cse10 4))) (let ((.cse7 (store .cse12 .cse8 .cse11))) (let ((.cse9 (+ (select .cse7 |c_ULTIMATE.start_main_~#r~2#1.offset|) 1))) (or (let ((.cse6 (mod .cse9 4))) (= .cse6 (select (store .cse7 |c_ULTIMATE.start_main_~#r~2#1.offset| .cse6) .cse8))) (and (< .cse10 0) (not (= .cse11 0))) (< .cse9 0))))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse16 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse15 (let ((.cse17 (let ((.cse18 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|)) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse18 (+ (* (select .cse18 .cse16) 4) |c_ULTIMATE.start_main_~#r~2#1.offset| 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (store .cse17 .cse16 (mod (+ (select .cse17 .cse16) 1) 4))))) (let ((.cse14 (mod (+ (select .cse15 |c_ULTIMATE.start_main_~#r~2#1.offset|) 1) 4))) (or (= .cse14 (select (store .cse15 |c_ULTIMATE.start_main_~#r~2#1.offset| .cse14) .cse16)) (not (= .cse14 0))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse21 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse20 (let ((.cse23 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|)) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse23 (+ (* (select .cse23 .cse21) 4) |c_ULTIMATE.start_main_~#r~2#1.offset| 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse19 (+ (select .cse20 .cse21) 1))) (let ((.cse22 (mod .cse19 4))) (or (<= 0 .cse19) (< (+ (select (store .cse20 .cse21 (+ .cse22 (- 4))) |c_ULTIMATE.start_main_~#r~2#1.offset|) 1) 0) (= .cse22 0))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse27 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse30 (let ((.cse31 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|)) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse31 (+ (* (select .cse31 .cse27) 4) |c_ULTIMATE.start_main_~#r~2#1.offset| 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse24 (+ (select .cse30 .cse27) 1))) (let ((.cse29 (mod .cse24 4))) (let ((.cse25 (store .cse30 .cse27 (+ .cse29 (- 4))))) (let ((.cse28 (+ (select .cse25 |c_ULTIMATE.start_main_~#r~2#1.offset|) 1))) (let ((.cse26 (mod .cse28 4))) (or (<= 0 .cse24) (= (+ (select (store .cse25 |c_ULTIMATE.start_main_~#r~2#1.offset| (+ .cse26 (- 4))) .cse27) 4) .cse26) (= .cse26 0) (<= 0 .cse28) (= .cse29 0))))))))))) is different from false [2021-11-19 05:46:16,079 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse1 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse0 (let ((.cse4 (select (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| 0)))) (store .cse5 |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|))) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse4 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse4 .cse1) 4) 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse3 (+ (select .cse0 .cse1) 1))) (let ((.cse2 (mod .cse3 4))) (or (< (+ (select (store .cse0 .cse1 (+ .cse2 (- 4))) |c_ULTIMATE.start_main_~#r~2#1.offset|) 1) 0) (<= 0 .cse3) (= .cse2 0))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse9 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse12 (let ((.cse13 (select (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| 0)))) (store .cse14 |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select .cse14 |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|))) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse13 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse13 .cse9) 4) 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse10 (+ (select .cse12 .cse9) 1))) (let ((.cse11 (mod .cse10 4))) (let ((.cse8 (store .cse12 .cse9 .cse11))) (let ((.cse6 (+ (select .cse8 |c_ULTIMATE.start_main_~#r~2#1.offset|) 1))) (or (< .cse6 0) (let ((.cse7 (mod .cse6 4))) (= .cse7 (select (store .cse8 |c_ULTIMATE.start_main_~#r~2#1.offset| .cse7) .cse9))) (and (< .cse10 0) (not (= .cse11 0))))))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse19 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse21 (let ((.cse22 (select (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| 0)))) (store .cse23 |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select .cse23 |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|))) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse22 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse22 .cse19) 4) 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse17 (+ (select .cse21 .cse19) 1))) (let ((.cse20 (mod .cse17 4))) (let ((.cse18 (store .cse21 .cse19 (+ .cse20 (- 4))))) (let ((.cse15 (+ (select .cse18 |c_ULTIMATE.start_main_~#r~2#1.offset|) 1))) (let ((.cse16 (mod .cse15 4))) (or (<= 0 .cse15) (= 0 .cse16) (<= 0 .cse17) (= (+ (select (store .cse18 |c_ULTIMATE.start_main_~#r~2#1.offset| (+ (- 4) .cse16)) .cse19) 4) .cse16) (= .cse20 0)))))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse26 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse25 (let ((.cse27 (let ((.cse28 (select (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| 0)))) (store .cse29 |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select .cse29 |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|))) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse28 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse28 .cse26) 4) 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (store .cse27 .cse26 (mod (+ (select .cse27 .cse26) 1) 4))))) (let ((.cse24 (mod (+ (select .cse25 |c_ULTIMATE.start_main_~#r~2#1.offset|) 1) 4))) (or (= .cse24 (select (store .cse25 |c_ULTIMATE.start_main_~#r~2#1.offset| .cse24) .cse26)) (not (= .cse24 0))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse34 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse33 (let ((.cse35 (select (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| 0)))) (store .cse36 |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select .cse36 |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|))) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse35 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse35 .cse34) 4) 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse31 (+ (select .cse33 .cse34) 1))) (let ((.cse32 (mod .cse31 4))) (let ((.cse30 (+ (select (store .cse33 .cse34 .cse32) |c_ULTIMATE.start_main_~#r~2#1.offset|) 1))) (or (= (mod .cse30 4) 0) (<= 0 .cse30) (and (< .cse31 0) (not (= .cse32 0))))))))))) is different from false [2021-11-19 05:46:16,331 INFO L354 Elim1Store]: treesize reduction 183, result has 28.0 percent of original size [2021-11-19 05:46:16,331 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 2216 treesize of output 1174 [2021-11-19 05:46:16,378 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:46:16,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1230 treesize of output 1152 [2021-11-19 05:46:16,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:46:16,483 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 15 treesize of output 9 [2021-11-19 05:47:39,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-19 05:47:39,773 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 05:47:39,833 INFO L354 Elim1Store]: treesize reduction 24, result has 60.7 percent of original size [2021-11-19 05:47:39,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 515 treesize of output 431 [2021-11-19 05:47:40,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:40,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,244 INFO L354 Elim1Store]: treesize reduction 91, result has 1.1 percent of original size [2021-11-19 05:47:40,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 2870 treesize of output 1 [2021-11-19 05:47:40,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:40,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,295 INFO L354 Elim1Store]: treesize reduction 65, result has 29.3 percent of original size [2021-11-19 05:47:40,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 2337 treesize of output 943 [2021-11-19 05:47:40,306 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 935 treesize of output 851 [2021-11-19 05:47:40,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,341 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-19 05:47:40,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 574 treesize of output 505 [2021-11-19 05:47:40,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:40,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:40,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,443 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-11-19 05:47:40,443 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 413 treesize of output 1 [2021-11-19 05:47:40,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:40,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:40,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:40,457 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-11-19 05:47:40,457 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 311 treesize of output 1 [2021-11-19 05:47:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:47:41,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134080542] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:47:41,067 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:47:41,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 31, 31] total 85 [2021-11-19 05:47:41,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700055408] [2021-11-19 05:47:41,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:47:41,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2021-11-19 05:47:41,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:47:41,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-11-19 05:47:41,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=412, Invalid=6400, Unknown=2, NotChecked=326, Total=7140 [2021-11-19 05:47:41,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:41,072 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:47:41,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.5647058823529414) internal successors, (303), 85 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:47:41,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:47:41,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:47:41,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:47:41,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:47:41,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-19 05:47:41,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:47:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:47:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:47:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:47:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-19 05:47:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-19 05:47:55,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:47:56,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-19 05:47:56,083 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:47:56,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:47:56,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1618847359, now seen corresponding path program 2 times [2021-11-19 05:47:56,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:47:56,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713266859] [2021-11-19 05:47:56,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:47:56,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:47:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:47:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 38 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:47:56,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:47:56,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713266859] [2021-11-19 05:47:56,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713266859] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:47:56,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989196479] [2021-11-19 05:47:56,556 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:47:56,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:47:56,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:47:56,559 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:47:56,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 05:47:56,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:47:56,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:47:56,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-19 05:47:56,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:47:56,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-19 05:47:56,750 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:47:56,750 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 11 treesize of output 11 [2021-11-19 05:47:56,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:47:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:56,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2021-11-19 05:47:57,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:57,038 INFO L354 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2021-11-19 05:47:57,039 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 3 case distinctions, treesize of input 32 treesize of output 34 [2021-11-19 05:47:57,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:57,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:47:57,856 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-11-19 05:47:57,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 38 [2021-11-19 05:47:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:57,980 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:47:57,980 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 40 treesize of output 27 [2021-11-19 05:47:58,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:58,368 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:47:58,368 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 36 treesize of output 27 [2021-11-19 05:47:58,899 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:47:58,899 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 29 treesize of output 13 [2021-11-19 05:47:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 05:47:59,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:49:14,078 WARN L227 SmtUtils]: Spent 16.61s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 05:49:16,780 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse1 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse0 (let ((.cse4 (select (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| 0)))) (store .cse5 |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|))) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse4 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse4 .cse1) 4) 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse3 (+ (select .cse0 .cse1) 1))) (let ((.cse2 (mod .cse3 4))) (or (< (+ (select (store .cse0 .cse1 (+ .cse2 (- 4))) |c_ULTIMATE.start_main_~#r~2#1.offset|) 1) 0) (<= 0 .cse3) (= .cse2 0))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse9 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse12 (let ((.cse13 (select (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| 0)))) (store .cse14 |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select .cse14 |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|))) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse13 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse13 .cse9) 4) 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse10 (+ (select .cse12 .cse9) 1))) (let ((.cse11 (mod .cse10 4))) (let ((.cse8 (store .cse12 .cse9 .cse11))) (let ((.cse6 (+ (select .cse8 |c_ULTIMATE.start_main_~#r~2#1.offset|) 1))) (or (< .cse6 0) (let ((.cse7 (mod .cse6 4))) (= .cse7 (select (store .cse8 |c_ULTIMATE.start_main_~#r~2#1.offset| .cse7) .cse9))) (and (< .cse10 0) (not (= .cse11 0))))))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse19 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse21 (let ((.cse22 (select (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| 0)))) (store .cse23 |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select .cse23 |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|))) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse22 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse22 .cse19) 4) 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse17 (+ (select .cse21 .cse19) 1))) (let ((.cse20 (mod .cse17 4))) (let ((.cse18 (store .cse21 .cse19 (+ .cse20 (- 4))))) (let ((.cse15 (+ (select .cse18 |c_ULTIMATE.start_main_~#r~2#1.offset|) 1))) (let ((.cse16 (mod .cse15 4))) (or (<= 0 .cse15) (= 0 .cse16) (<= 0 .cse17) (= (+ (select (store .cse18 |c_ULTIMATE.start_main_~#r~2#1.offset| (+ (- 4) .cse16)) .cse19) 4) .cse16) (= .cse20 0)))))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse26 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse25 (let ((.cse27 (let ((.cse28 (select (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| 0)))) (store .cse29 |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select .cse29 |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|))) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse28 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse28 .cse26) 4) 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (store .cse27 .cse26 (mod (+ (select .cse27 .cse26) 1) 4))))) (let ((.cse24 (mod (+ (select .cse25 |c_ULTIMATE.start_main_~#r~2#1.offset|) 1) 4))) (or (= .cse24 (select (store .cse25 |c_ULTIMATE.start_main_~#r~2#1.offset| .cse24) .cse26)) (not (= .cse24 0))))))) (forall ((|ULTIMATE.start_main_~#reader~0#1.offset| Int) (|ULTIMATE.start_ring_enqueue_~x#1| Int) (|ULTIMATE.start_main_#t~pre18#1| Int)) (let ((.cse34 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse33 (let ((.cse35 (select (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| 0)))) (store .cse36 |c_ULTIMATE.start_main_~#reader~0#1.base| (store (select .cse36 |c_ULTIMATE.start_main_~#reader~0#1.base|) |ULTIMATE.start_main_~#reader~0#1.offset| |ULTIMATE.start_main_#t~pre18#1|))) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse35 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse35 .cse34) 4) 4) |ULTIMATE.start_ring_enqueue_~x#1|)))) (let ((.cse31 (+ (select .cse33 .cse34) 1))) (let ((.cse32 (mod .cse31 4))) (let ((.cse30 (+ (select (store .cse33 .cse34 .cse32) |c_ULTIMATE.start_main_~#r~2#1.offset|) 1))) (or (= (mod .cse30 4) 0) (<= 0 .cse30) (and (< .cse31 0) (not (= .cse32 0))))))))))) is different from false [2021-11-19 05:49:17,052 INFO L354 Elim1Store]: treesize reduction 183, result has 28.0 percent of original size [2021-11-19 05:49:17,053 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 2216 treesize of output 1174 [2021-11-19 05:49:17,099 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:49:17,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1230 treesize of output 1152 [2021-11-19 05:49:17,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:17,193 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 15 treesize of output 9 [2021-11-19 05:49:18,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-19 05:49:18,599 INFO L354 Elim1Store]: treesize reduction 24, result has 60.7 percent of original size [2021-11-19 05:49:18,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 600 treesize of output 504 [2021-11-19 05:49:18,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:49:18,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:18,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:18,981 INFO L354 Elim1Store]: treesize reduction 91, result has 1.1 percent of original size [2021-11-19 05:49:18,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 2870 treesize of output 1 [2021-11-19 05:49:18,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:49:19,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,054 INFO L354 Elim1Store]: treesize reduction 65, result has 29.3 percent of original size [2021-11-19 05:49:19,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 2337 treesize of output 943 [2021-11-19 05:49:19,067 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 935 treesize of output 851 [2021-11-19 05:49:19,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,110 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-19 05:49:19,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 626 treesize of output 555 [2021-11-19 05:49:19,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:49:19,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:49:19,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,298 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-11-19 05:49:19,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 413 treesize of output 1 [2021-11-19 05:49:19,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:49:19,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:49:19,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:19,313 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-11-19 05:49:19,314 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 311 treesize of output 1 [2021-11-19 05:49:22,089 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 05:49:22,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989196479] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:49:22,089 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:49:22,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 32, 31] total 78 [2021-11-19 05:49:22,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573696721] [2021-11-19 05:49:22,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:49:22,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2021-11-19 05:49:22,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:49:22,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-11-19 05:49:22,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=5519, Unknown=14, NotChecked=150, Total=6006 [2021-11-19 05:49:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:22,093 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:49:22,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 4.756410256410256) internal successors, (371), 78 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:49:22,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:49:22,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:49:22,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:49:22,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:22,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-19 05:49:22,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-19 05:49:22,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:41,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:49:41,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:49:41,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:49:41,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:41,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-19 05:49:41,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-19 05:49:41,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-11-19 05:49:41,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:49:42,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:49:42,101 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:49:42,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:49:42,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1483333772, now seen corresponding path program 1 times [2021-11-19 05:49:42,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:49:42,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438837510] [2021-11-19 05:49:42,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:49:42,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:49:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:49:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 25 proven. 201 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-19 05:49:43,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:49:43,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438837510] [2021-11-19 05:49:43,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438837510] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:49:43,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125598618] [2021-11-19 05:49:43,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:49:43,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:49:43,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:49:43,123 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:49:43,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 05:49:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:49:43,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-19 05:49:43,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:49:45,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:49:45,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:49:45,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 80 [2021-11-19 05:49:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:49:45,171 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 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-19 05:49:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:49:45,218 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 0 case distinctions, treesize of input 48 treesize of output 28 [2021-11-19 05:49:46,473 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:49:46,473 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 80 treesize of output 36 [2021-11-19 05:49:46,670 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 36 proven. 201 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-19 05:49:46,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:49:49,098 INFO L354 Elim1Store]: treesize reduction 35, result has 52.1 percent of original size [2021-11-19 05:49:49,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 191 treesize of output 184 [2021-11-19 05:49:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 21 proven. 216 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-19 05:49:50,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125598618] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:49:50,318 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:49:50,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 32, 29] total 73 [2021-11-19 05:49:50,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115501398] [2021-11-19 05:49:50,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:49:50,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2021-11-19 05:49:50,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:49:50,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-11-19 05:49:50,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=4854, Unknown=0, NotChecked=0, Total=5256 [2021-11-19 05:49:50,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:50,324 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:49:50,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 5.52054794520548) internal successors, (403), 73 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:49:50,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:49:50,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:49:50,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:49:50,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:50,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-19 05:49:50,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-19 05:49:50,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-11-19 05:49:50,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:57,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:49:57,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:49:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:49:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-19 05:49:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-19 05:49:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-11-19 05:49:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-19 05:49:57,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:49:57,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-19 05:49:57,970 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:49:57,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:49:57,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1941121881, now seen corresponding path program 2 times [2021-11-19 05:49:57,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:49:57,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69370036] [2021-11-19 05:49:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:49:57,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:49:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:50:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 159 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-19 05:50:02,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:50:02,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69370036] [2021-11-19 05:50:02,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69370036] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:50:02,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097300286] [2021-11-19 05:50:02,592 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:50:02,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:50:02,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:50:02,593 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:50:02,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b7ef88-67ca-4b7c-a66f-a3d5aa159265/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-19 05:50:02,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:50:02,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:50:02,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-19 05:50:02,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:50:02,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-19 05:50:02,786 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:50:02,787 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 11 treesize of output 11 [2021-11-19 05:50:02,853 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 13 treesize of output 9 [2021-11-19 05:50:02,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2021-11-19 05:50:02,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 18 [2021-11-19 05:50:03,014 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-19 05:50:03,015 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 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-19 05:50:04,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:50:04,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:50:04,980 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-11-19 05:50:04,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 38 [2021-11-19 05:50:05,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:50:05,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:50:05,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 84 [2021-11-19 05:50:05,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:50:05,245 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 0 case distinctions, treesize of input 37 treesize of output 23 [2021-11-19 05:50:06,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:50:06,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 87 [2021-11-19 05:50:06,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:50:06,122 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 0 case distinctions, treesize of input 39 treesize of output 21 [2021-11-19 05:50:09,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:50:09,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:50:09,022 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-11-19 05:50:09,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 38 [2021-11-19 05:50:09,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:50:09,963 INFO L354 Elim1Store]: treesize reduction 68, result has 18.1 percent of original size [2021-11-19 05:50:09,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 102 treesize of output 109 [2021-11-19 05:50:10,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:50:10,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:50:10,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:50:10,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 30 [2021-11-19 05:50:10,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:50:10,074 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-11-19 05:50:10,074 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 45 [2021-11-19 05:50:11,620 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-11-19 05:50:11,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 95 treesize of output 49 [2021-11-19 05:50:11,827 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 6 proven. 163 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 05:50:11,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:51:13,807 WARN L227 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)