./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:03:57,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:03:57,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:03:57,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:03:57,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:03:57,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:03:57,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:03:57,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:03:57,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:03:57,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:03:57,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:03:57,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:03:57,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:03:57,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:03:57,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:03:57,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:03:57,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:03:57,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:03:57,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:03:57,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:03:57,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:03:57,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:03:57,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:03:57,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:03:57,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:03:57,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:03:57,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:03:57,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:03:57,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:03:57,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:03:57,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:03:57,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:03:57,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:03:57,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:03:57,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:03:57,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:03:57,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:03:57,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:03:57,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:03:57,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:03:57,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:03:57,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:03:57,570 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:03:57,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:03:57,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:03:57,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:03:57,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:03:57,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:03:57,580 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:03:57,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:03:57,581 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:03:57,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:03:57,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:03:57,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:03:57,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:03:57,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:03:57,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:03:57,583 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:03:57,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:03:57,584 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:03:57,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:03:57,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:03:57,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:03:57,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:03:57,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:03:57,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:03:57,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:03:57,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:03:57,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:03:57,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:03:57,587 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:03:57,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:03:57,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:03:57,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:03:57,589 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_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2021-11-22 15:03:57,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:03:57,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:03:57,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:03:57,970 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:03:57,974 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:03:57,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-22 15:03:58,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/data/dccf3c9b9/d55bda5ff3114ec4a91eb89403f0a405/FLAGe4f62dd0a [2021-11-22 15:03:58,808 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:03:58,809 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-22 15:03:58,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/data/dccf3c9b9/d55bda5ff3114ec4a91eb89403f0a405/FLAGe4f62dd0a [2021-11-22 15:03:58,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/data/dccf3c9b9/d55bda5ff3114ec4a91eb89403f0a405 [2021-11-22 15:03:58,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:03:58,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:03:58,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:03:58,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:03:58,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:03:58,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:03:58" (1/1) ... [2021-11-22 15:03:58,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2542b31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:58, skipping insertion in model container [2021-11-22 15:03:58,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:03:58" (1/1) ... [2021-11-22 15:03:59,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:03:59,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:03:59,582 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_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-22 15:03:59,755 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_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-22 15:03:59,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:03:59,786 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:03:59,854 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_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-22 15:03:59,955 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_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-22 15:03:59,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:04:00,035 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:04:00,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00 WrapperNode [2021-11-22 15:04:00,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:04:00,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:04:00,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:04:00,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:04:00,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00" (1/1) ... [2021-11-22 15:04:00,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00" (1/1) ... [2021-11-22 15:04:00,183 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 914 [2021-11-22 15:04:00,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:04:00,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:04:00,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:04:00,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:04:00,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00" (1/1) ... [2021-11-22 15:04:00,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00" (1/1) ... [2021-11-22 15:04:00,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00" (1/1) ... [2021-11-22 15:04:00,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00" (1/1) ... [2021-11-22 15:04:00,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00" (1/1) ... [2021-11-22 15:04:00,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00" (1/1) ... [2021-11-22 15:04:00,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00" (1/1) ... [2021-11-22 15:04:00,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:04:00,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:04:00,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:04:00,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:04:00,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00" (1/1) ... [2021-11-22 15:04:00,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:04:00,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:04:00,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:04:00,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:04:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:04:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 15:04:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:04:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:04:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:04:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:04:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:04:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:04:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:04:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:04:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:04:00,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:04:00,702 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:04:00,704 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:04:01,975 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:04:01,991 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:04:01,991 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-22 15:04:01,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:04:01 BoogieIcfgContainer [2021-11-22 15:04:01,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:04:01,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:04:01,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:04:02,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:04:02,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:03:58" (1/3) ... [2021-11-22 15:04:02,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9bbdd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:04:02, skipping insertion in model container [2021-11-22 15:04:02,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:00" (2/3) ... [2021-11-22 15:04:02,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9bbdd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:04:02, skipping insertion in model container [2021-11-22 15:04:02,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:04:01" (3/3) ... [2021-11-22 15:04:02,005 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2021-11-22 15:04:02,012 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:04:02,012 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-22 15:04:02,075 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:04:02,084 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 15:04:02,085 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-22 15:04:02,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 175 states have (on average 1.7028571428571428) internal successors, (298), 181 states have internal predecessors, (298), 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) [2021-11-22 15:04:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 15:04:02,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:02,125 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:02,126 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:04:02,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:02,134 INFO L85 PathProgramCache]: Analyzing trace with hash 239231559, now seen corresponding path program 1 times [2021-11-22 15:04:02,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:04:02,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906358631] [2021-11-22 15:04:02,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:02,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:04:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:04:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:04:02,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:04:02,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906358631] [2021-11-22 15:04:02,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906358631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:04:02,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:04:02,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:04:02,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266769375] [2021-11-22 15:04:02,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:04:02,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 15:04:02,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:04:02,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:04:02,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:04:02,398 INFO L87 Difference]: Start difference. First operand has 182 states, 175 states have (on average 1.7028571428571428) internal successors, (298), 181 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-22 15:04:02,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:04:02,438 INFO L93 Difference]: Finished difference Result 362 states and 594 transitions. [2021-11-22 15:04:02,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:04:02,440 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-22 15:04:02,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:04:02,452 INFO L225 Difference]: With dead ends: 362 [2021-11-22 15:04:02,453 INFO L226 Difference]: Without dead ends: 178 [2021-11-22 15:04:02,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:04:02,461 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:04:02,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:04:02,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-11-22 15:04:02,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-11-22 15:04:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 172 states have (on average 1.3372093023255813) internal successors, (230), 177 states have internal predecessors, (230), 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) [2021-11-22 15:04:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 230 transitions. [2021-11-22 15:04:02,517 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 230 transitions. Word has length 9 [2021-11-22 15:04:02,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:04:02,518 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 230 transitions. [2021-11-22 15:04:02,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-22 15:04:02,519 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 230 transitions. [2021-11-22 15:04:02,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 15:04:02,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:02,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:02,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:04:02,523 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:04:02,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:02,524 INFO L85 PathProgramCache]: Analyzing trace with hash 627334337, now seen corresponding path program 1 times [2021-11-22 15:04:02,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:04:02,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198933138] [2021-11-22 15:04:02,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:02,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:04:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:04:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:04:02,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:04:02,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198933138] [2021-11-22 15:04:02,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198933138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:04:02,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:04:02,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:04:02,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924639997] [2021-11-22 15:04:02,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:04:02,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:04:02,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:04:02,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:04:02,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:04:02,687 INFO L87 Difference]: Start difference. First operand 178 states and 230 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:03,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:04:03,223 INFO L93 Difference]: Finished difference Result 392 states and 505 transitions. [2021-11-22 15:04:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:04:03,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-22 15:04:03,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:04:03,227 INFO L225 Difference]: With dead ends: 392 [2021-11-22 15:04:03,227 INFO L226 Difference]: Without dead ends: 304 [2021-11-22 15:04:03,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:04:03,234 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 158 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:04:03,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 549 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 15:04:03,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-11-22 15:04:03,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 180. [2021-11-22 15:04:03,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 174 states have (on average 1.3333333333333333) internal successors, (232), 179 states have internal predecessors, (232), 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) [2021-11-22 15:04:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 232 transitions. [2021-11-22 15:04:03,270 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 232 transitions. Word has length 44 [2021-11-22 15:04:03,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:04:03,271 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 232 transitions. [2021-11-22 15:04:03,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2021-11-22 15:04:03,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:04:03,275 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:03,276 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:03,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:04:03,276 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:04:03,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:03,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1103504913, now seen corresponding path program 1 times [2021-11-22 15:04:03,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:04:03,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538532507] [2021-11-22 15:04:03,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:03,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:04:03,337 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:04:03,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993228443] [2021-11-22 15:04:03,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:03,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:04:03,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:04:03,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:04:03,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:04:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:04:03,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:04:03,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:04:03,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:04:03,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:04:03,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:04:03,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538532507] [2021-11-22 15:04:03,771 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:04:03,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993228443] [2021-11-22 15:04:03,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993228443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:04:03,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:04:03,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:04:03,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315938032] [2021-11-22 15:04:03,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:04:03,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:04:03,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:04:03,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:04:03,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:04:03,775 INFO L87 Difference]: Start difference. First operand 180 states and 232 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:03,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:04:03,874 INFO L93 Difference]: Finished difference Result 377 states and 491 transitions. [2021-11-22 15:04:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:04:03,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-22 15:04:03,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:04:03,877 INFO L225 Difference]: With dead ends: 377 [2021-11-22 15:04:03,877 INFO L226 Difference]: Without dead ends: 201 [2021-11-22 15:04:03,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:04:03,880 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 9 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:04:03,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 405 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:04:03,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-22 15:04:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 200. [2021-11-22 15:04:03,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.2989690721649485) internal successors, (252), 199 states have internal predecessors, (252), 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) [2021-11-22 15:04:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 252 transitions. [2021-11-22 15:04:03,897 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 252 transitions. Word has length 96 [2021-11-22 15:04:03,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:04:03,898 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 252 transitions. [2021-11-22 15:04:03,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 252 transitions. [2021-11-22 15:04:03,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:04:03,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:03,904 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:03,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:04:04,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-22 15:04:04,118 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:04:04,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:04,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744659, now seen corresponding path program 1 times [2021-11-22 15:04:04,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:04:04,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961608498] [2021-11-22 15:04:04,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:04,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:04:04,159 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:04:04,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1945159547] [2021-11-22 15:04:04,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:04,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:04:04,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:04:04,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:04:04,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 15:04:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:04:04,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:04:04,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:04:04,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:04:04,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:04:04,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:04:04,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961608498] [2021-11-22 15:04:04,526 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:04:04,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945159547] [2021-11-22 15:04:04,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945159547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:04:04,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:04:04,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:04:04,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710483876] [2021-11-22 15:04:04,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:04:04,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:04:04,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:04:04,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:04:04,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:04:04,538 INFO L87 Difference]: Start difference. First operand 200 states and 252 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-11-22 15:04:04,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:04:04,615 INFO L93 Difference]: Finished difference Result 308 states and 394 transitions. [2021-11-22 15:04:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:04:04,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-22 15:04:04,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:04:04,617 INFO L225 Difference]: With dead ends: 308 [2021-11-22 15:04:04,618 INFO L226 Difference]: Without dead ends: 221 [2021-11-22 15:04:04,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:04:04,620 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 9 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:04:04,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 405 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:04:04,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-22 15:04:04,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-22 15:04:04,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.2710280373831775) internal successors, (272), 219 states have internal predecessors, (272), 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) [2021-11-22 15:04:04,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 272 transitions. [2021-11-22 15:04:04,632 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 272 transitions. Word has length 96 [2021-11-22 15:04:04,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:04:04,638 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 272 transitions. [2021-11-22 15:04:04,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-11-22 15:04:04,638 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 272 transitions. [2021-11-22 15:04:04,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:04:04,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:04,649 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:04,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:04:04,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:04:04,874 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:04:04,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:04,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949711, now seen corresponding path program 1 times [2021-11-22 15:04:04,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:04:04,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650048176] [2021-11-22 15:04:04,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:04,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:04:04,892 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:04:04,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [210099219] [2021-11-22 15:04:04,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:04,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:04:04,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:04:04,894 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:04:04,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 15:04:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:04:05,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:04:05,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:04:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:04:05,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:04:05,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:04:05,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650048176] [2021-11-22 15:04:05,290 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:04:05,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210099219] [2021-11-22 15:04:05,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210099219] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:04:05,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:04:05,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:04:05,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833884231] [2021-11-22 15:04:05,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:04:05,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:04:05,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:04:05,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:04:05,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:04:05,293 INFO L87 Difference]: Start difference. First operand 220 states and 272 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:05,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:04:05,378 INFO L93 Difference]: Finished difference Result 428 states and 532 transitions. [2021-11-22 15:04:05,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:04:05,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-22 15:04:05,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:04:05,381 INFO L225 Difference]: With dead ends: 428 [2021-11-22 15:04:05,381 INFO L226 Difference]: Without dead ends: 212 [2021-11-22 15:04:05,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:04:05,383 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 218 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:04:05,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 416 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:04:05,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-22 15:04:05,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-22 15:04:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.255) internal successors, (251), 205 states have internal predecessors, (251), 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) [2021-11-22 15:04:05,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 251 transitions. [2021-11-22 15:04:05,392 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 251 transitions. Word has length 96 [2021-11-22 15:04:05,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:04:05,393 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 251 transitions. [2021-11-22 15:04:05,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:05,393 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 251 transitions. [2021-11-22 15:04:05,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:04:05,395 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:05,396 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:05,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:04:05,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:04:05,622 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:04:05,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:05,623 INFO L85 PathProgramCache]: Analyzing trace with hash 569918463, now seen corresponding path program 1 times [2021-11-22 15:04:05,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:04:05,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591767189] [2021-11-22 15:04:05,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:05,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:04:05,639 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:04:05,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1451345404] [2021-11-22 15:04:05,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:05,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:04:05,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:04:05,641 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:04:05,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 15:04:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:04:05,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:04:05,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:04:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:04:06,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:04:06,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:04:06,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591767189] [2021-11-22 15:04:06,015 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:04:06,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451345404] [2021-11-22 15:04:06,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451345404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:04:06,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:04:06,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:04:06,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087378027] [2021-11-22 15:04:06,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:04:06,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:04:06,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:04:06,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:04:06,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:04:06,018 INFO L87 Difference]: Start difference. First operand 206 states and 251 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2021-11-22 15:04:06,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:04:06,128 INFO L93 Difference]: Finished difference Result 305 states and 374 transitions. [2021-11-22 15:04:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:04:06,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-22 15:04:06,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:04:06,133 INFO L225 Difference]: With dead ends: 305 [2021-11-22 15:04:06,133 INFO L226 Difference]: Without dead ends: 198 [2021-11-22 15:04:06,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:04:06,136 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 101 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:04:06,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 506 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:04:06,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-22 15:04:06,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 192. [2021-11-22 15:04:06,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 186 states have (on average 1.2365591397849462) internal successors, (230), 191 states have internal predecessors, (230), 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) [2021-11-22 15:04:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 230 transitions. [2021-11-22 15:04:06,164 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 230 transitions. Word has length 96 [2021-11-22 15:04:06,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:04:06,168 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 230 transitions. [2021-11-22 15:04:06,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2021-11-22 15:04:06,168 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 230 transitions. [2021-11-22 15:04:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:04:06,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:06,171 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:06,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:04:06,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-22 15:04:06,385 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:04:06,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:06,386 INFO L85 PathProgramCache]: Analyzing trace with hash -312930383, now seen corresponding path program 1 times [2021-11-22 15:04:06,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:04:06,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504756101] [2021-11-22 15:04:06,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:06,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:04:06,403 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:04:06,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1596147057] [2021-11-22 15:04:06,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:06,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:04:06,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:04:06,405 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:04:06,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 15:04:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:04:06,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:04:06,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:04:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:04:06,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:04:06,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:04:06,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504756101] [2021-11-22 15:04:06,861 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:04:06,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596147057] [2021-11-22 15:04:06,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596147057] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:04:06,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:04:06,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:04:06,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4724095] [2021-11-22 15:04:06,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:04:06,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:04:06,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:04:06,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:04:06,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:04:06,863 INFO L87 Difference]: Start difference. First operand 192 states and 230 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:06,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:04:06,940 INFO L93 Difference]: Finished difference Result 501 states and 594 transitions. [2021-11-22 15:04:06,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:04:06,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-22 15:04:06,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:04:06,943 INFO L225 Difference]: With dead ends: 501 [2021-11-22 15:04:06,943 INFO L226 Difference]: Without dead ends: 313 [2021-11-22 15:04:06,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:04:06,945 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 99 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:04:06,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 451 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:04:06,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2021-11-22 15:04:06,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 301. [2021-11-22 15:04:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 295 states have (on average 1.2203389830508475) internal successors, (360), 300 states have internal predecessors, (360), 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) [2021-11-22 15:04:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 360 transitions. [2021-11-22 15:04:06,959 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 360 transitions. Word has length 96 [2021-11-22 15:04:06,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:04:06,959 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 360 transitions. [2021-11-22 15:04:06,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 360 transitions. [2021-11-22 15:04:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:04:06,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:06,961 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:07,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 15:04:07,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-22 15:04:07,184 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:04:07,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:07,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926464, now seen corresponding path program 1 times [2021-11-22 15:04:07,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:04:07,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640919646] [2021-11-22 15:04:07,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:07,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:04:07,204 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:04:07,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023603404] [2021-11-22 15:04:07,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:07,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:04:07,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:04:07,216 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:04:07,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 15:04:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:04:07,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:04:07,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:04:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:04:07,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:04:07,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:04:07,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640919646] [2021-11-22 15:04:07,633 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:04:07,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023603404] [2021-11-22 15:04:07,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023603404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:04:07,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:04:07,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:04:07,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869572714] [2021-11-22 15:04:07,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:04:07,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:04:07,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:04:07,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:04:07,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:04:07,635 INFO L87 Difference]: Start difference. First operand 301 states and 360 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-22 15:04:07,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:04:07,887 INFO L93 Difference]: Finished difference Result 489 states and 586 transitions. [2021-11-22 15:04:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:04:07,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-22 15:04:07,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:04:07,890 INFO L225 Difference]: With dead ends: 489 [2021-11-22 15:04:07,891 INFO L226 Difference]: Without dead ends: 236 [2021-11-22 15:04:07,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:04:07,892 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 320 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:04:07,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 271 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:04:07,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-11-22 15:04:07,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2021-11-22 15:04:07,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 230 states have (on average 1.2043478260869565) internal successors, (277), 235 states have internal predecessors, (277), 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) [2021-11-22 15:04:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 277 transitions. [2021-11-22 15:04:07,904 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 277 transitions. Word has length 103 [2021-11-22 15:04:07,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:04:07,904 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 277 transitions. [2021-11-22 15:04:07,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-22 15:04:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 277 transitions. [2021-11-22 15:04:07,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 15:04:07,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:07,906 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:07,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 15:04:08,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:04:08,122 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:04:08,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:08,122 INFO L85 PathProgramCache]: Analyzing trace with hash 541560538, now seen corresponding path program 1 times [2021-11-22 15:04:08,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:04:08,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173966548] [2021-11-22 15:04:08,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:08,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:04:08,159 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:04:08,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1933963126] [2021-11-22 15:04:08,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:08,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:04:08,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:04:08,167 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:04:08,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd830bb-1af9-4c67-b9e6-a5dd4206e08c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 15:04:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:04:08,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-22 15:04:08,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:04:08,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-22 15:04:08,403 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 [2021-11-22 15:04:08,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,460 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 12 treesize of output 14 [2021-11-22 15:04:08,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,558 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 38 treesize of output 29 [2021-11-22 15:04:09,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-22 15:04:09,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-22 15:04:09,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-22 15:04:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-22 15:04:10,053 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 29 treesize of output 25 [2021-11-22 15:04:10,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:10,071 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-22 15:04:10,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-22 15:04:10,087 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 [2021-11-22 15:04:10,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:10,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:10,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:10,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:10,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:10,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-22 15:04:12,360 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-22 15:04:12,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-22 15:04:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:14,286 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-22 15:04:14,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-22 15:04:14,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:14,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:14,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:14,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:14,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:22,798 WARN L227 SmtUtils]: Spent 8.32s on a formula simplification. DAG size of input: 535 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 15:04:22,804 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-22 15:04:22,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2271 [2021-11-22 15:04:24,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:24,152 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 54 treesize of output 24 [2021-11-22 15:04:24,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:24,404 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 66 treesize of output 30 [2021-11-22 15:04:26,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:26,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:27,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:27,310 INFO L244 Elim1Store]: Index analysis took 341 ms [2021-11-22 15:04:27,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 916 treesize of output 422 [2021-11-22 15:04:28,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:28,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:28,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:28,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-22 15:04:29,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:29,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:29,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:15,582 WARN L227 SmtUtils]: Spent 1.76m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 15:06:15,585 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-22 15:06:15,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 1163966 treesize of output 480217 [2021-11-22 15:06:20,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:20,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:20,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:20,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:20,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:20,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:20,870 INFO L244 Elim1Store]: Index analysis took 340 ms [2021-11-22 15:06:20,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:20,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:21,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:21,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:21,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:21,169 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:06:21,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 624 treesize of output 280 [2021-11-22 15:06:22,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:22,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:22,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:22,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:22,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:22,991 INFO L244 Elim1Store]: Index analysis took 473 ms [2021-11-22 15:06:23,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,224 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:06:23,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 1263 treesize of output 559 [2021-11-22 15:06:23,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,631 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-22 15:06:23,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:06:23,814 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:06:23,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 947078 treesize of output 854982 [2021-11-22 15:09:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:51,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:51,793 INFO L244 Elim1Store]: Index analysis took 2593 ms [2021-11-22 15:09:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:52,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:52,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:53,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:53,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:54,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:54,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:54,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:55,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:55,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:55,699 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:09:55,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 1049 treesize of output 446 [2021-11-22 15:09:58,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:58,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:58,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:58,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:59,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:09:59,293 INFO L244 Elim1Store]: Index analysis took 2995 ms [2021-11-22 15:09:59,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:00,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:00,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:00,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:00,900 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:10:00,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 588 treesize of output 262 [2021-11-22 15:10:02,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:02,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:03,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:03,013 INFO L244 Elim1Store]: Index analysis took 1550 ms [2021-11-22 15:10:03,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:04,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:04,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:05,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:05,194 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:10:05,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-22 15:10:07,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:08,424 INFO L244 Elim1Store]: Index analysis took 2580 ms [2021-11-22 15:10:08,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:08,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:09,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:09,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:09,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:09,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:10,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:10,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:11,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:11,141 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:10:11,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1463 treesize of output 639 [2021-11-22 15:10:11,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:11,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:12,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:12,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:12,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:12,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:12,926 INFO L244 Elim1Store]: Index analysis took 1415 ms [2021-11-22 15:10:13,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:13,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:13,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:13,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:14,200 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:10:14,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 828 treesize of output 376 [2021-11-22 15:10:15,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:16,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:16,485 INFO L244 Elim1Store]: Index analysis took 1933 ms [2021-11-22 15:10:16,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:16,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:17,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:17,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:17,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:18,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:18,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:18,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:18,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:10:18,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 1487 treesize of output 651 [2021-11-22 15:10:20,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:20,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:20,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:20,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:20,592 INFO L244 Elim1Store]: Index analysis took 1431 ms [2021-11-22 15:10:20,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:21,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:21,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:21,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:21,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:22,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:22,415 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:10:22,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-22 15:10:22,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:22,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:22,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:22,880 INFO L244 Elim1Store]: Index analysis took 315 ms [2021-11-22 15:10:22,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:23,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:23,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:23,400 INFO L354 Elim1Store]: treesize reduction 205, result has 0.5 percent of original size [2021-11-22 15:10:23,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 10529 treesize of output 8170 [2021-11-22 15:10:32,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:32,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:32,430 INFO L244 Elim1Store]: Index analysis took 774 ms [2021-11-22 15:10:32,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:32,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:32,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:32,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:33,148 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:10:33,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1343 treesize of output 599 [2021-11-22 15:10:33,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:33,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:33,448 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-22 15:10:33,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 13113 treesize of output 8664 [2021-11-22 15:10:33,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:33,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:33,697 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-22 15:10:33,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 11863 treesize of output 7846 [2021-11-22 15:10:33,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:33,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:34,093 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-22 15:10:34,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10908 treesize of output 5270 [2021-11-22 15:10:34,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:34,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:34,321 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-22 15:10:34,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 10253 treesize of output 6896 [2021-11-22 15:10:34,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:34,459 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-22 15:10:34,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 9538 treesize of output 6325 [2021-11-22 15:10:34,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:34,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:34,800 INFO L354 Elim1Store]: treesize reduction 206, result has 0.5 percent of original size [2021-11-22 15:10:34,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8499 treesize of output 4545 [2021-11-22 15:10:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:34,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:34,993 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-22 15:10:34,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 6977 treesize of output 4619 [2021-11-22 15:10:35,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:35,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:35,217 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-22 15:10:35,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6034 treesize of output 4021 [2021-11-22 15:10:35,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:35,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:35,438 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-22 15:10:35,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 5054 treesize of output 3005 [2021-11-22 15:10:35,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:35,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:35,794 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-22 15:10:35,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 4086 treesize of output 2684 [2021-11-22 15:10:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:35,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:35,879 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-22 15:10:35,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 2448 treesize of output 1443 [2021-11-22 15:10:38,215 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-22 15:10:38,216 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 218 treesize of output 138 [2021-11-22 15:10:38,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,376 INFO L354 Elim1Store]: treesize reduction 292, result has 15.4 percent of original size [2021-11-22 15:10:38,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 351 treesize of output 287 [2021-11-22 15:10:38,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:38,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,531 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-22 15:10:38,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 283 treesize of output 262 [2021-11-22 15:10:38,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,707 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:10:38,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 219 treesize of output 95 [2021-11-22 15:10:38,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:38,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 59 [2021-11-22 15:10:39,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:39,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:39,664 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-22 15:10:39,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 359 treesize of output 268 [2021-11-22 15:10:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:39,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:39,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:39,920 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-22 15:10:39,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 310 treesize of output 294 [2021-11-22 15:10:39,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:39,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:10:39,964 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-22 15:10:39,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 259 treesize of output 222 [2021-11-22 15:10:40,913 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-22 15:10:40,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 260 treesize of output 452 [2021-11-22 15:10:41,160 INFO L354 Elim1Store]: treesize reduction 804, result has 8.6 percent of original size [2021-11-22 15:10:41,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 41 case distinctions, treesize of input 454 treesize of output 450 [2021-11-22 15:10:41,180 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-22 15:10:41,180 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 3 case distinctions, treesize of input 450 treesize of output 361 [2021-11-22 15:10:41,205 INFO L354 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2021-11-22 15:10:41,205 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 3 case distinctions, treesize of input 352 treesize of output 303 [2021-11-22 15:11:30,546 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-22 15:11:30,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 388 treesize of output 400 [2021-11-22 15:12:45,504 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-22 15:12:45,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 476 treesize of output 257 [2021-11-22 15:12:52,542 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-22 15:12:52,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 546 treesize of output 254 [2021-11-22 15:12:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:12:52,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:12:55,033 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (v_DerPreprocessor_6 Int)) (or (< (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse2 (select |c_#memory_int| |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse3 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))))) (store .cse1 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_7) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_8))))) (store .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_6))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 9) (< (let ((.cse4 (+ 8 |c_ULTIMATE.start_main_~users~0#1.offset|))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse4)) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse4))) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|))) is different from false [2021-11-22 15:12:57,290 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (v_DerPreprocessor_6 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 |c_ULTIMATE.start_main_~users~0#1.offset|))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_10)))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~users~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_9)) |c_ULTIMATE.start_main_~users~0#1.base|) .cse1)) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse7 (select .cse6 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse8 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_7) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_8))))) (store .cse4 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse4 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_6))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 9))))) is different from false [2021-11-22 15:12:59,417 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (v_DerPreprocessor_6 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_10)))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_9)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse7 (select .cse6 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse8 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_7) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_8))))) (store .cse4 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse4 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_6))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 9))))) is different from false