./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 06:33:28,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:33:28,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:33:28,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:33:28,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:33:28,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:33:28,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:33:28,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:33:28,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:33:28,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:33:28,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:33:28,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:33:28,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:33:28,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:33:28,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:33:28,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:33:28,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:33:28,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:33:28,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:33:28,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:33:28,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:33:28,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:33:28,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:33:28,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:33:28,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:33:28,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:33:28,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:33:28,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:33:28,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:33:28,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:33:28,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:33:28,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:33:28,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:33:28,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:33:28,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:33:28,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:33:28,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:33:28,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:33:28,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:33:28,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:33:28,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:33:28,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 06:33:28,327 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:33:28,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:33:28,327 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:33:28,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:33:28,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:33:28,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:33:28,328 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:33:28,328 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:33:28,329 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:33:28,329 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:33:28,329 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:33:28,329 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:33:28,329 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:33:28,329 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:33:28,329 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:33:28,329 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:33:28,329 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:33:28,330 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:33:28,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:33:28,330 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:33:28,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:33:28,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:33:28,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:33:28,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:33:28,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:33:28,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:33:28,331 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:33:28,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:33:28,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:33:28,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:33:28,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:33:28,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:33:28,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:33:28,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:33:28,332 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:33:28,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:33:28,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:33:28,332 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:33:28,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:33:28,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:33:28,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:33:28,333 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_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 [2022-12-14 06:33:28,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:33:28,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:33:28,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:33:28,512 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:33:28,512 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:33:28,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2022-12-14 06:33:31,144 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:33:31,334 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:33:31,335 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2022-12-14 06:33:31,344 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/data/7ef637225/5d54ab161a0542d08480ce5c6bb7b963/FLAGe499cce1b [2022-12-14 06:33:31,355 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/data/7ef637225/5d54ab161a0542d08480ce5c6bb7b963 [2022-12-14 06:33:31,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:33:31,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:33:31,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:33:31,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:33:31,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:33:31,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:31,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d62975d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31, skipping insertion in model container [2022-12-14 06:33:31,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:31,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:33:31,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:33:31,656 WARN L237 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_6b32abeb-e5c0-4c61-98db-121374e5a7fe/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[33021,33034] [2022-12-14 06:33:31,742 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 06:33:31,744 WARN L237 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_6b32abeb-e5c0-4c61-98db-121374e5a7fe/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[49681,49694] [2022-12-14 06:33:31,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:33:31,767 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:33:31,789 WARN L237 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_6b32abeb-e5c0-4c61-98db-121374e5a7fe/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[33021,33034] [2022-12-14 06:33:31,861 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 06:33:31,863 WARN L237 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_6b32abeb-e5c0-4c61-98db-121374e5a7fe/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[49681,49694] [2022-12-14 06:33:31,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:33:31,905 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:33:31,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31 WrapperNode [2022-12-14 06:33:31,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:33:31,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:33:31,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:33:31,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:33:31,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:31,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:31,989 INFO L138 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1686 [2022-12-14 06:33:31,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:33:31,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:33:31,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:33:31,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:33:31,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:31,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:32,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:32,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:32,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:32,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:32,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:32,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:32,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:33:32,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:33:32,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:33:32,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:33:32,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (1/1) ... [2022-12-14 06:33:32,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:33:32,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:33:32,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:33:32,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:33:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:33:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 06:33:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 06:33:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:33:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 06:33:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 06:33:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:33:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:33:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:33:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:33:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 06:33:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:33:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:33:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:33:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:33:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:33:32,350 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:33:32,352 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:33:33,734 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:33:34,144 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:33:34,144 INFO L300 CfgBuilder]: Removed 100 assume(true) statements. [2022-12-14 06:33:34,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:33:34 BoogieIcfgContainer [2022-12-14 06:33:34,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:33:34,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:33:34,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:33:34,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:33:34,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:33:31" (1/3) ... [2022-12-14 06:33:34,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3437e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:33:34, skipping insertion in model container [2022-12-14 06:33:34,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:31" (2/3) ... [2022-12-14 06:33:34,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3437e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:33:34, skipping insertion in model container [2022-12-14 06:33:34,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:33:34" (3/3) ... [2022-12-14 06:33:34,155 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test5-3.i [2022-12-14 06:33:34,171 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:33:34,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 06:33:34,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:33:34,214 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25a82f59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:33:34,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 06:33:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 06:33:34,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 06:33:34,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:33:34,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 06:33:34,224 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:33:34,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:33:34,228 INFO L85 PathProgramCache]: Analyzing trace with hash 274883441, now seen corresponding path program 1 times [2022-12-14 06:33:34,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:33:34,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682206482] [2022-12-14 06:33:34,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:33:34,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:33:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:33:34,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:33:34,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682206482] [2022-12-14 06:33:34,348 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-14 06:33:34,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802038063] [2022-12-14 06:33:34,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:33:34,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:33:34,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:33:34,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:33:34,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 06:33:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:33:34,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 06:33:34,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:33:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:33:34,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:33:34,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802038063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:33:34,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:33:34,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:33:34,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387396164] [2022-12-14 06:33:34,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:33:34,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 06:33:34,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:33:34,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 06:33:34,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:33:34,583 INFO L87 Difference]: Start difference. First operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:33:35,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:33:35,372 INFO L93 Difference]: Finished difference Result 353 states and 632 transitions. [2022-12-14 06:33:35,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 06:33:35,377 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-12-14 06:33:35,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:33:35,383 INFO L225 Difference]: With dead ends: 353 [2022-12-14 06:33:35,383 INFO L226 Difference]: Without dead ends: 150 [2022-12-14 06:33:35,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:33:35,388 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:33:35,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 06:33:35,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-12-14 06:33:35,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-12-14 06:33:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 135 states have (on average 1.1925925925925926) internal successors, (161), 141 states have internal predecessors, (161), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 06:33:35,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2022-12-14 06:33:35,426 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 6 [2022-12-14 06:33:35,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:33:35,427 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2022-12-14 06:33:35,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:33:35,427 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-12-14 06:33:35,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:33:35,429 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:33:35,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:33:35,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-14 06:33:35,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:33:35,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:33:35,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:33:35,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1671934868, now seen corresponding path program 1 times [2022-12-14 06:33:35,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:33:35,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763939831] [2022-12-14 06:33:35,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:33:35,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:33:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:33:35,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:33:35,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763939831] [2022-12-14 06:33:35,677 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-14 06:33:35,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721251078] [2022-12-14 06:33:35,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:33:35,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:33:35,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:33:35,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:33:35,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 06:33:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:33:35,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 06:33:35,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:33:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:33:35,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:33:35,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721251078] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:33:35,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:33:35,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:33:35,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198655473] [2022-12-14 06:33:35,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:33:35,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:33:35,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:33:35,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:33:35,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:33:35,869 INFO L87 Difference]: Start difference. First operand 150 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:33:37,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:33:37,571 INFO L93 Difference]: Finished difference Result 342 states and 425 transitions. [2022-12-14 06:33:37,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:33:37,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2022-12-14 06:33:37,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:33:37,578 INFO L225 Difference]: With dead ends: 342 [2022-12-14 06:33:37,578 INFO L226 Difference]: Without dead ends: 290 [2022-12-14 06:33:37,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:33:37,579 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 149 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:33:37,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 335 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 06:33:37,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-12-14 06:33:37,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2022-12-14 06:33:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 06:33:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2022-12-14 06:33:37,590 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 17 [2022-12-14 06:33:37,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:33:37,591 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2022-12-14 06:33:37,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:33:37,591 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-12-14 06:33:37,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 06:33:37,592 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:33:37,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:33:37,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 06:33:37,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:33:37,794 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:33:37,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:33:37,796 INFO L85 PathProgramCache]: Analyzing trace with hash 700872651, now seen corresponding path program 1 times [2022-12-14 06:33:37,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:33:37,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896289619] [2022-12-14 06:33:37,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:33:37,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:33:38,019 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:33:38,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [162580504] [2022-12-14 06:33:38,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:33:38,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:33:38,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:33:38,021 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:33:38,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 06:33:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:33:38,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 3112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:33:38,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:33:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:33:38,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:33:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:33:39,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:33:39,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896289619] [2022-12-14 06:33:39,025 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:33:39,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162580504] [2022-12-14 06:33:39,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162580504] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:33:39,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2101682891] [2022-12-14 06:33:39,041 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-12-14 06:33:39,041 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:33:39,044 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:33:39,048 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:33:39,049 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:33:39,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,173 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 06:33:39,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 06:33:39,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 06:33:39,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 06:33:39,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:33:39,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,252 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 06:33:39,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 06:33:39,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,298 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 06:33:39,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 06:33:39,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 06:33:39,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 06:33:39,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 06:33:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 06:33:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:39,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 06:33:39,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 06:33:40,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 06:33:40,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 06:33:40,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 06:33:40,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:40,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 06:33:40,167 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:33:46,642 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:33:53,934 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:33:53,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2101682891] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:33:53,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 06:33:53,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 06:33:53,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021107161] [2022-12-14 06:33:53,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:33:53,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 06:33:53,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:33:53,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 06:33:53,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-12-14 06:33:53,941 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:33:56,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:33:58,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:34:02,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:34:05,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:34:05,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:34:05,733 INFO L93 Difference]: Finished difference Result 310 states and 378 transitions. [2022-12-14 06:34:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 06:34:05,734 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-12-14 06:34:05,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:34:05,735 INFO L225 Difference]: With dead ends: 310 [2022-12-14 06:34:05,735 INFO L226 Difference]: Without dead ends: 161 [2022-12-14 06:34:05,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-12-14 06:34:05,736 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:34:05,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 602 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 316 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2022-12-14 06:34:05,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-12-14 06:34:05,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-12-14 06:34:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 06:34:05,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2022-12-14 06:34:05,746 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2022-12-14 06:34:05,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:34:05,747 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2022-12-14 06:34:05,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:34:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2022-12-14 06:34:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 06:34:05,748 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:34:05,748 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:34:05,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 06:34:05,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-14 06:34:05,949 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:34:05,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:34:05,951 INFO L85 PathProgramCache]: Analyzing trace with hash -385397690, now seen corresponding path program 1 times [2022-12-14 06:34:05,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:34:05,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986416362] [2022-12-14 06:34:05,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:34:05,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:34:06,105 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:34:06,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669813781] [2022-12-14 06:34:06,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:34:06,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:34:06,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:34:06,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:34:06,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 06:34:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:34:06,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:34:06,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:34:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 06:34:06,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:34:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 06:34:06,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:34:06,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986416362] [2022-12-14 06:34:06,931 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:34:06,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669813781] [2022-12-14 06:34:06,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669813781] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:34:06,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1062396806] [2022-12-14 06:34:06,935 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-12-14 06:34:06,936 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:34:06,936 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:34:06,936 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:34:06,936 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:34:07,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,015 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 06:34:07,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 06:34:07,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 06:34:07,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,066 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 06:34:07,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 06:34:07,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 06:34:07,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,115 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 06:34:07,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 06:34:07,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:34:07,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 06:34:07,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 06:34:07,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 06:34:07,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 06:34:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 06:34:07,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 06:34:07,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 06:34:07,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 06:34:07,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 06:34:07,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 06:34:07,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 06:34:07,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 06:34:07,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 06:34:07,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,723 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 06:34:07,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-12-14 06:34:07,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:07,784 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 06:34:07,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 06:34:08,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 06:34:08,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 06:34:08,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 06:34:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 06:34:08,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 06:34:08,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 06:34:08,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 06:34:08,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 06:34:08,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 06:34:08,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 06:34:08,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 06:34:08,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,585 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 06:34:08,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 06:34:08,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:34:08,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-12-14 06:34:08,861 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 253 for LOIs [2022-12-14 06:34:08,942 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:34:14,856 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:34:21,955 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:34:32,700 WARN L233 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 262 DAG size of output: 248 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:34:47,344 WARN L233 SmtUtils]: Spent 8.52s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:34:59,446 WARN L233 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:34:59,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1062396806] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:34:59,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 06:34:59,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 06:34:59,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415196789] [2022-12-14 06:34:59,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:34:59,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 06:34:59,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:34:59,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 06:34:59,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 06:34:59,985 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 06:35:02,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:35:04,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:35:06,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:35:08,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:35:10,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:35:12,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:35:14,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:35:16,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:35:18,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:35:25,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:35:28,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 06:35:29,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:35:29,361 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2022-12-14 06:35:29,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 06:35:29,362 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2022-12-14 06:35:29,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:35:29,363 INFO L225 Difference]: With dead ends: 315 [2022-12-14 06:35:29,363 INFO L226 Difference]: Without dead ends: 166 [2022-12-14 06:35:29,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 51.0s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 06:35:29,364 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:35:29,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 611 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 377 Invalid, 10 Unknown, 0 Unchecked, 29.3s Time] [2022-12-14 06:35:29,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-12-14 06:35:29,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-12-14 06:35:29,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 06:35:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2022-12-14 06:35:29,379 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2022-12-14 06:35:29,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:35:29,379 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2022-12-14 06:35:29,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 06:35:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2022-12-14 06:35:29,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 06:35:29,381 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:35:29,381 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:35:29,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 06:35:29,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:35:29,582 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:35:29,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:35:29,584 INFO L85 PathProgramCache]: Analyzing trace with hash -102741374, now seen corresponding path program 1 times [2022-12-14 06:35:29,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:35:29,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810834302] [2022-12-14 06:35:29,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:35:29,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:35:29,748 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:35:29,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [84130522] [2022-12-14 06:35:29,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:35:29,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:35:29,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:35:29,749 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:35:29,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b32abeb-e5c0-4c61-98db-121374e5a7fe/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 06:35:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:35:30,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:35:30,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:35:30,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 06:35:30,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:35:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 06:35:30,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:35:30,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810834302] [2022-12-14 06:35:30,502 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:35:30,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84130522] [2022-12-14 06:35:30,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84130522] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:35:30,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1914989439] [2022-12-14 06:35:30,504 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-12-14 06:35:30,504 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:35:30,504 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:35:30,505 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:35:30,505 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:35:30,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,558 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 06:35:30,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 06:35:30,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 06:35:30,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 06:35:30,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,620 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 06:35:30,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 06:35:30,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,659 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 06:35:30,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 06:35:30,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:35:30,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 06:35:30,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 06:35:30,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 06:35:30,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 06:35:30,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:30,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 06:35:30,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 06:35:30,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 06:35:31,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 06:35:31,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 06:35:31,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 06:35:31,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 06:35:31,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,180 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 06:35:31,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-12-14 06:35:31,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,233 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 06:35:31,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 06:35:31,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 06:35:31,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 06:35:31,393 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 06:35:31,396 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 12 [2022-12-14 06:35:31,402 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 06:35:31,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 06:35:31,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 06:35:31,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 06:35:31,446 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 12 [2022-12-14 06:35:31,451 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 06:35:31,457 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 06:35:31,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 06:35:31,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 06:35:31,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 06:35:31,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:35:31,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 06:35:31,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 06:35:31,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 06:35:32,771 INFO L217 Elim1Store]: Index analysis took 828 ms [2022-12-14 06:35:37,524 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 06:35:37,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 10752723 treesize of output 10752742 [2022-12-14 06:35:38,282 INFO L217 Elim1Store]: Index analysis took 647 ms [2022-12-14 06:35:38,855 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 06:35:38,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 10752718 treesize of output 10752722 [2022-12-14 06:38:49,650 WARN L233 SmtUtils]: Spent 3.18m on a formula simplification. DAG size of input: 198 DAG size of output: 104 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 06:38:49,650 INFO L321 Elim1Store]: treesize reduction 1636, result has 23.4 percent of original size [2022-12-14 06:38:49,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 7904 treesize of output 5832 [2022-12-14 06:38:50,203 INFO L217 Elim1Store]: Index analysis took 218 ms [2022-12-14 06:40:41,496 WARN L233 SmtUtils]: Spent 1.85m on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 06:40:41,497 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 06:40:41,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 7135 treesize of output 5975 [2022-12-14 06:40:46,943 INFO L217 Elim1Store]: Index analysis took 4308 ms