./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW --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 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 --- 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-4e7fbc6 [2022-11-23 13:41:16,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:41:16,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:41:16,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:41:16,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:41:16,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:41:16,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:41:16,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:41:16,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:41:16,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:41:16,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:41:16,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:41:16,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:41:16,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:41:16,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:41:16,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:41:16,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:41:16,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:41:16,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:41:16,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:41:16,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:41:16,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:41:16,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:41:16,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:41:16,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:41:16,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:41:16,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:41:16,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:41:16,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:41:16,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:41:16,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:41:16,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:41:16,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:41:16,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:41:16,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:41:16,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:41:16,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:41:16,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:41:16,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:41:16,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:41:16,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:41:16,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 13:41:16,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:41:16,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:41:16,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:41:16,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:41:16,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:41:16,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:41:16,386 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:41:16,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:41:16,387 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:41:16,387 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:41:16,388 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:41:16,389 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:41:16,389 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:41:16,389 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:41:16,389 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:41:16,390 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:41:16,390 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:41:16,390 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:41:16,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:41:16,392 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:41:16,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:41:16,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:41:16,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:41:16,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:41:16,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:41:16,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:41:16,394 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:41:16,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:41:16,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:41:16,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:41:16,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:41:16,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:41:16,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:41:16,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:41:16,397 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:41:16,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:41:16,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:41:16,421 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:41:16,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:41:16,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:41:16,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:41:16,422 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_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 [2022-11-23 13:41:16,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:41:16,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:41:16,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:41:16,767 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:41:16,768 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:41:16,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2022-11-23 13:41:19,896 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:41:20,267 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:41:20,272 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2022-11-23 13:41:20,291 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/data/3a01497e5/ae96c97ca5204729b2a354141a9a19d9/FLAG21dca01ed [2022-11-23 13:41:20,312 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/data/3a01497e5/ae96c97ca5204729b2a354141a9a19d9 [2022-11-23 13:41:20,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:41:20,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:41:20,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:41:20,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:41:20,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:41:20,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:20" (1/1) ... [2022-11-23 13:41:20,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc3a818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:20, skipping insertion in model container [2022-11-23 13:41:20,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:20" (1/1) ... [2022-11-23 13:41:20,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:41:20,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:41:20,869 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_c63eeeff-f719-43ee-b712-3dc482b59750/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2022-11-23 13:41:21,022 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_c63eeeff-f719-43ee-b712-3dc482b59750/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2022-11-23 13:41:21,023 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_c63eeeff-f719-43ee-b712-3dc482b59750/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2022-11-23 13:41:21,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:41:21,046 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:41:21,081 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_c63eeeff-f719-43ee-b712-3dc482b59750/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2022-11-23 13:41:21,217 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_c63eeeff-f719-43ee-b712-3dc482b59750/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2022-11-23 13:41:21,218 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_c63eeeff-f719-43ee-b712-3dc482b59750/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2022-11-23 13:41:21,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:41:21,256 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:41:21,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21 WrapperNode [2022-11-23 13:41:21,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:41:21,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:41:21,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:41:21,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:41:21,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (1/1) ... [2022-11-23 13:41:21,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (1/1) ... [2022-11-23 13:41:21,378 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 992 [2022-11-23 13:41:21,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:41:21,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:41:21,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:41:21,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:41:21,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (1/1) ... [2022-11-23 13:41:21,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (1/1) ... [2022-11-23 13:41:21,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (1/1) ... [2022-11-23 13:41:21,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (1/1) ... [2022-11-23 13:41:21,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (1/1) ... [2022-11-23 13:41:21,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (1/1) ... [2022-11-23 13:41:21,462 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (1/1) ... [2022-11-23 13:41:21,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (1/1) ... [2022-11-23 13:41:21,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:41:21,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:41:21,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:41:21,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:41:21,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (1/1) ... [2022-11-23 13:41:21,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:41:21,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:41:21,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:41:21,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:41:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:41:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:41:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 13:41:21,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 13:41:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 13:41:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:41:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 13:41:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:41:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 13:41:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 13:41:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:41:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:41:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:41:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:41:21,832 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:41:21,834 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:41:23,614 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:41:24,046 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:41:24,047 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-23 13:41:24,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:24 BoogieIcfgContainer [2022-11-23 13:41:24,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:41:24,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:41:24,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:41:24,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:41:24,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:41:20" (1/3) ... [2022-11-23 13:41:24,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b02e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:41:24, skipping insertion in model container [2022-11-23 13:41:24,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:21" (2/3) ... [2022-11-23 13:41:24,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b02e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:41:24, skipping insertion in model container [2022-11-23 13:41:24,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:24" (3/3) ... [2022-11-23 13:41:24,063 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test7-1.i [2022-11-23 13:41:24,081 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:41:24,081 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 13:41:24,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:41:24,158 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;@1c885f98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:41:24,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 13:41:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:41:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 13:41:24,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:24,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:41:24,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:24,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:24,180 INFO L85 PathProgramCache]: Analyzing trace with hash -218436337, now seen corresponding path program 1 times [2022-11-23 13:41:24,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:24,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345189118] [2022-11-23 13:41:24,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:24,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:41:24,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:24,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345189118] [2022-11-23 13:41:24,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345189118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:24,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:24,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:41:24,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228787495] [2022-11-23 13:41:24,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:24,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 13:41:24,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:24,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 13:41:24,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:41:24,376 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:41:24,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:24,990 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2022-11-23 13:41:24,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 13:41:24,997 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-11-23 13:41:24,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:25,005 INFO L225 Difference]: With dead ends: 215 [2022-11-23 13:41:25,005 INFO L226 Difference]: Without dead ends: 107 [2022-11-23 13:41:25,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:41:25,014 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:25,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 13:41:25,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-23 13:41:25,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-23 13:41:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:41:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2022-11-23 13:41:25,071 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2022-11-23 13:41:25,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:25,071 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2022-11-23 13:41:25,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:41:25,072 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2022-11-23 13:41:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 13:41:25,075 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:25,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:41:25,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:41:25,076 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:25,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:25,077 INFO L85 PathProgramCache]: Analyzing trace with hash -408896126, now seen corresponding path program 1 times [2022-11-23 13:41:25,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:25,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526711821] [2022-11-23 13:41:25,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:25,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:41:25,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:25,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526711821] [2022-11-23 13:41:25,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526711821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:25,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:25,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:41:25,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744080614] [2022-11-23 13:41:25,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:25,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:41:25,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:25,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:41:25,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:41:25,320 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:41:27,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 13:41:27,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:27,753 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2022-11-23 13:41:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:41:27,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-23 13:41:27,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:27,759 INFO L225 Difference]: With dead ends: 219 [2022-11-23 13:41:27,759 INFO L226 Difference]: Without dead ends: 165 [2022-11-23 13:41:27,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:41:27,761 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:27,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 281 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-23 13:41:27,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-23 13:41:27,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2022-11-23 13:41:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:41:27,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2022-11-23 13:41:27,773 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2022-11-23 13:41:27,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:27,773 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2022-11-23 13:41:27,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:41:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2022-11-23 13:41:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-23 13:41:27,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:27,775 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:41:27,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:41:27,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:27,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:27,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1957629248, now seen corresponding path program 1 times [2022-11-23 13:41:27,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:27,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766329451] [2022-11-23 13:41:27,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:27,954 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:41:27,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1087567306] [2022-11-23 13:41:27,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:27,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:41:27,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:41:27,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:41:27,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 13:41:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:28,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:41:28,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:41:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:41:28,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:41:28,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:28,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766329451] [2022-11-23 13:41:28,804 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:41:28,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087567306] [2022-11-23 13:41:28,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087567306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:28,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:28,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:41:28,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62835539] [2022-11-23 13:41:28,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:28,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:41:28,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:28,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:41:28,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:28,807 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:41:30,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:30,515 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2022-11-23 13:41:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:41:30,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-23 13:41:30,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:30,522 INFO L225 Difference]: With dead ends: 265 [2022-11-23 13:41:30,522 INFO L226 Difference]: Without dead ends: 159 [2022-11-23 13:41:30,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:30,524 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:30,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 206 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-23 13:41:30,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-23 13:41:30,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2022-11-23 13:41:30,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:41:30,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2022-11-23 13:41:30,537 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2022-11-23 13:41:30,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:30,538 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2022-11-23 13:41:30,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:41:30,538 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2022-11-23 13:41:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-23 13:41:30,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:30,540 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:41:30,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 13:41:30,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:41:30,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:30,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:30,750 INFO L85 PathProgramCache]: Analyzing trace with hash 35155344, now seen corresponding path program 1 times [2022-11-23 13:41:30,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:30,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520998482] [2022-11-23 13:41:30,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:30,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:30,824 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:41:30,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559703702] [2022-11-23 13:41:30,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:30,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:41:30,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:41:30,826 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:41:30,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 13:41:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:31,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:41:31,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:41:31,397 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 11 treesize of output 7 [2022-11-23 13:41:31,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 13:41:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 13:41:31,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:41:31,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:31,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520998482] [2022-11-23 13:41:31,429 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:41:31,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559703702] [2022-11-23 13:41:31,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559703702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:31,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:31,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:41:31,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320257902] [2022-11-23 13:41:31,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:31,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:41:31,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:31,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:41:31,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:41:31,432 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:41:33,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 13:41:33,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:33,729 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2022-11-23 13:41:33,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:41:33,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-11-23 13:41:33,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:33,736 INFO L225 Difference]: With dead ends: 201 [2022-11-23 13:41:33,736 INFO L226 Difference]: Without dead ends: 197 [2022-11-23 13:41:33,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:41:33,738 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 47 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:33,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 283 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 13:41:33,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-23 13:41:33,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2022-11-23 13:41:33,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:41:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2022-11-23 13:41:33,751 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2022-11-23 13:41:33,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:33,753 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2022-11-23 13:41:33,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:41:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2022-11-23 13:41:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 13:41:33,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:33,755 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:41:33,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 13:41:33,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:41:33,963 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:33,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:33,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1412611692, now seen corresponding path program 1 times [2022-11-23 13:41:33,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:33,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618308122] [2022-11-23 13:41:33,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:33,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:34,035 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:41:34,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [247638556] [2022-11-23 13:41:34,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:34,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:41:34,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:41:34,038 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:41:34,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 13:41:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:34,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:41:34,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:41:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 13:41:34,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:41:34,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:34,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618308122] [2022-11-23 13:41:34,722 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:41:34,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247638556] [2022-11-23 13:41:34,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247638556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:34,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:34,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:41:34,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181276834] [2022-11-23 13:41:34,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:34,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:41:34,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:34,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:41:34,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:41:34,725 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:41:35,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:35,481 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2022-11-23 13:41:35,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:41:35,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-23 13:41:35,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:35,487 INFO L225 Difference]: With dead ends: 344 [2022-11-23 13:41:35,487 INFO L226 Difference]: Without dead ends: 206 [2022-11-23 13:41:35,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:41:35,489 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 229 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:35,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 169 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 13:41:35,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-23 13:41:35,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2022-11-23 13:41:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:41:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2022-11-23 13:41:35,508 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2022-11-23 13:41:35,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:35,508 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2022-11-23 13:41:35,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:41:35,509 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2022-11-23 13:41:35,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 13:41:35,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:35,511 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:41:35,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 13:41:35,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:41:35,719 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:35,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:35,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1485013667, now seen corresponding path program 1 times [2022-11-23 13:41:35,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:35,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184967334] [2022-11-23 13:41:35,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:35,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:35,787 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:41:35,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478932320] [2022-11-23 13:41:35,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:35,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:41:35,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:41:35,791 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:41:35,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 13:41:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:49,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 13:41:49,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:41:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 13:41:49,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:41:49,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:49,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184967334] [2022-11-23 13:41:49,114 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:41:49,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478932320] [2022-11-23 13:41:49,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478932320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:49,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:49,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:41:49,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384515738] [2022-11-23 13:41:49,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:49,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:41:49,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:49,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:41:49,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:41:49,117 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:41:50,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:50,606 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2022-11-23 13:41:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:41:50,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-23 13:41:50,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:50,613 INFO L225 Difference]: With dead ends: 381 [2022-11-23 13:41:50,613 INFO L226 Difference]: Without dead ends: 201 [2022-11-23 13:41:50,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:41:50,614 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:50,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 320 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-23 13:41:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-23 13:41:50,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-11-23 13:41:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-23 13:41:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2022-11-23 13:41:50,632 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2022-11-23 13:41:50,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:50,633 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2022-11-23 13:41:50,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:41:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2022-11-23 13:41:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 13:41:50,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:50,635 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:41:50,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 13:41:50,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 13:41:50,859 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:50,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:50,859 INFO L85 PathProgramCache]: Analyzing trace with hash -256446477, now seen corresponding path program 1 times [2022-11-23 13:41:50,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:50,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306641894] [2022-11-23 13:41:50,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:50,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:50,993 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:41:50,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1873991077] [2022-11-23 13:41:50,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:50,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:41:50,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:41:51,000 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:41:51,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63eeeff-f719-43ee-b712-3dc482b59750/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 13:42:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:42:10,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 13:42:10,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:42:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 13:42:10,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:42:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:42:10,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:42:10,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306641894] [2022-11-23 13:42:10,645 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:42:10,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873991077] [2022-11-23 13:42:10,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873991077] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:42:10,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2023373692] [2022-11-23 13:42:10,675 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-23 13:42:10,676 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:42:10,680 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:42:10,687 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:42:10,687 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:42:10,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 13:42:10,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 13:42:10,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:10,855 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 13:42:10,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-23 13:42:10,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:10,884 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 13:42:10,884 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 [2022-11-23 13:42:10,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:10,898 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 13:42:10,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:10,951 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 [2022-11-23 13:42:10,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:10,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:10,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:10,992 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 13:42:10,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-23 13:42:11,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,017 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 [2022-11-23 13:42:11,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,064 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 13:42:11,064 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 [2022-11-23 13:42:11,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,120 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 13:42:11,121 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 [2022-11-23 13:42:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-23 13:42:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-23 13:42:11,733 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 [2022-11-23 13:42:11,760 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 [2022-11-23 13:42:11,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 13:42:11,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:11,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 13:42:11,936 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 [2022-11-23 13:42:11,955 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 [2022-11-23 13:42:11,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 13:42:12,055 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 [2022-11-23 13:42:12,111 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 [2022-11-23 13:42:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,187 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 13:42:12,187 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 [2022-11-23 13:42:12,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,275 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 13:42:12,275 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 [2022-11-23 13:42:12,453 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 [2022-11-23 13:42:12,458 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 [2022-11-23 13:42:12,463 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 [2022-11-23 13:42:12,488 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 [2022-11-23 13:42:12,497 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 [2022-11-23 13:42:12,505 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 [2022-11-23 13:42:12,525 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 [2022-11-23 13:42:12,530 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 [2022-11-23 13:42:12,535 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 [2022-11-23 13:42:12,602 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 [2022-11-23 13:42:12,625 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 [2022-11-23 13:42:12,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 13:42:12,885 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 46 treesize of output 16 [2022-11-23 13:42:12,899 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 [2022-11-23 13:42:12,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:42:12,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 13:42:14,027 INFO L217 Elim1Store]: Index analysis took 816 ms [2022-11-23 13:42:19,308 WARN L233 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:42:19,309 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-23 13:42:19,310 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 9519771 treesize of output 9519790 [2022-11-23 13:42:21,085 INFO L217 Elim1Store]: Index analysis took 1521 ms [2022-11-23 13:42:21,785 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-23 13:42:21,786 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 9519766 treesize of output 9519770 [2022-11-23 13:42:30,357 WARN L233 SmtUtils]: Spent 8.42s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:42:30,358 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 13:42:30,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-23 13:42:56,595 WARN L233 SmtUtils]: Spent 25.94s 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) [2022-11-23 13:42:56,596 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 13:42:56,596 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 2005 treesize of output 1834 [2022-11-23 13:42:58,427 INFO L217 Elim1Store]: Index analysis took 1035 ms [2022-11-23 13:43:35,507 WARN L233 SmtUtils]: Spent 36.49s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:43:35,508 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-11-23 13:43:35,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-11-23 13:43:37,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:43:37,096 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-23 13:43:37,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:37,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:37,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:43:37,330 INFO L217 Elim1Store]: Index analysis took 109 ms [2022-11-23 13:43:37,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-23 13:43:38,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:38,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-23 13:43:38,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:38,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 13:43:41,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:41,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-23 13:43:41,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:41,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 13:43:42,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:42,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:42,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:42,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-23 13:43:45,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:45,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:45,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:45,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-23 13:43:50,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:50,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-23 13:43:50,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:50,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-23 13:43:50,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:50,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:43:50,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-23 13:43:50,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:50,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-23 13:43:50,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:50,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-23 13:43:50,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:50,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-23 13:43:51,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:51,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-23 13:44:06,208 INFO L321 Elim1Store]: treesize reduction 669, result has 0.1 percent of original size [2022-11-23 13:44:06,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 2242 treesize of output 20305 [2022-11-23 13:44:06,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2022-11-23 13:44:06,629 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:44:06,739 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:44:08,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:44:08,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 59 [2022-11-23 13:44:08,385 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:44:08,492 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:44:08,582 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:44:09,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:44:09,912 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:44:09,916 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:44:13,482 INFO L217 Elim1Store]: Index analysis took 978 ms [2022-11-23 13:44:23,503 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification. DAG size of input: 157 DAG size of output: 3 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:44:23,503 INFO L321 Elim1Store]: treesize reduction 8395, result has 0.0 percent of original size [2022-11-23 13:44:23,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 33989 treesize of output 333119 [2022-11-23 13:44:24,783 INFO L217 Elim1Store]: Index analysis took 848 ms [2022-11-23 13:44:25,362 INFO L321 Elim1Store]: treesize reduction 4, result has 98.9 percent of original size [2022-11-23 13:44:25,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 738 treesize of output 914 [2022-11-23 13:44:26,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 179 [2022-11-23 13:44:26,187 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:44:27,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:28,707 INFO L217 Elim1Store]: Index analysis took 1198 ms [2022-11-23 13:44:34,549 WARN L233 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 37 DAG size of output: 33 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:44:34,550 INFO L321 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2022-11-23 13:44:34,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1265 treesize of output 909 [2022-11-23 13:44:37,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:44:37,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:44:39,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:44:50,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:44:52,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:44:52,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:44:59,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:44:59,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:03,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:06,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:06,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:07,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:11,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:11,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:11,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:12,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:12,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:12,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:12,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:12,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:12,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:13,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:13,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:13,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:45:13,483 INFO L217 Elim1Store]: Index analysis took 36118 ms [2022-11-23 13:45:13,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 53 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 178801 treesize of output 4635574