./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:01:34,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:01:34,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:01:34,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:01:34,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:01:34,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:01:34,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:01:34,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:01:34,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:01:34,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:01:34,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:01:34,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:01:34,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:01:34,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:01:34,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:01:34,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:01:34,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:01:34,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:01:34,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:01:34,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:01:34,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:01:34,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:01:34,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:01:34,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:01:34,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:01:34,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:01:34,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:01:34,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:01:34,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:01:34,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:01:34,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:01:34,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:01:34,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:01:34,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:01:34,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:01:34,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:01:34,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:01:34,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:01:34,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:01:34,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:01:34,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:01:34,314 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 12:01:34,336 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:01:34,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:01:34,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:01:34,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:01:34,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:01:34,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:01:34,338 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:01:34,339 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:01:34,339 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:01:34,339 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:01:34,339 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:01:34,339 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:01:34,339 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:01:34,340 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:01:34,340 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:01:34,340 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:01:34,340 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:01:34,340 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:01:34,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:01:34,341 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:01:34,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:01:34,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:01:34,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:01:34,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:01:34,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:01:34,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:01:34,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:01:34,343 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:01:34,343 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:01:34,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:01:34,343 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:01:34,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:01:34,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:01:34,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:01:34,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:01:34,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:01:34,344 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:01:34,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:01:34,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:01:34,345 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:01:34,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:01:34,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:01:34,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:01:34,346 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_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2022-12-14 12:01:34,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:01:34,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:01:34,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:01:34,547 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:01:34,547 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:01:34,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2022-12-14 12:01:37,165 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:01:37,425 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:01:37,426 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2022-12-14 12:01:37,439 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/data/e3315a1ce/a8c219122805432f8c20e3adad3f0a3e/FLAGd880fade6 [2022-12-14 12:01:37,450 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/data/e3315a1ce/a8c219122805432f8c20e3adad3f0a3e [2022-12-14 12:01:37,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:01:37,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:01:37,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:01:37,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:01:37,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:01:37,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:01:37" (1/1) ... [2022-12-14 12:01:37,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b003a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:37, skipping insertion in model container [2022-12-14 12:01:37,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:01:37" (1/1) ... [2022-12-14 12:01:37,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:01:37,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:01:37,868 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_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2022-12-14 12:01:38,015 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:01:38,017 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_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2022-12-14 12:01:38,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:01:38,032 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:01:38,053 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_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2022-12-14 12:01:38,150 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:01:38,153 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_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2022-12-14 12:01:38,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:01:38,194 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:01:38,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38 WrapperNode [2022-12-14 12:01:38,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:01:38,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:01:38,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:01:38,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:01:38,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (1/1) ... [2022-12-14 12:01:38,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (1/1) ... [2022-12-14 12:01:38,292 INFO L138 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3023 [2022-12-14 12:01:38,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:01:38,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:01:38,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:01:38,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:01:38,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (1/1) ... [2022-12-14 12:01:38,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (1/1) ... [2022-12-14 12:01:38,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (1/1) ... [2022-12-14 12:01:38,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (1/1) ... [2022-12-14 12:01:38,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (1/1) ... [2022-12-14 12:01:38,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (1/1) ... [2022-12-14 12:01:38,366 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (1/1) ... [2022-12-14 12:01:38,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (1/1) ... [2022-12-14 12:01:38,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:01:38,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:01:38,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:01:38,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:01:38,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (1/1) ... [2022-12-14 12:01:38,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:01:38,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:38,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:01:38,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:01:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:01:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 12:01:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 12:01:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:01:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 12:01:38,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 12:01:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:01:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:01:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:01:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:01:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 12:01:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:01:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:01:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:01:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:01:38,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:01:38,592 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:01:38,594 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:01:40,630 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:01:41,030 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:01:41,030 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 12:01:41,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:01:41 BoogieIcfgContainer [2022-12-14 12:01:41,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:01:41,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:01:41,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:01:41,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:01:41,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:01:37" (1/3) ... [2022-12-14 12:01:41,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c07b39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:01:41, skipping insertion in model container [2022-12-14 12:01:41,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:01:38" (2/3) ... [2022-12-14 12:01:41,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c07b39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:01:41, skipping insertion in model container [2022-12-14 12:01:41,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:01:41" (3/3) ... [2022-12-14 12:01:41,043 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-2.i [2022-12-14 12:01:41,061 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:01:41,061 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 12:01:41,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:01:41,147 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;@16ae680e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:01:41,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 12:01:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 1123 states, 609 states have (on average 1.9655172413793103) internal successors, (1197), 1117 states have internal predecessors, (1197), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 12:01:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 12:01:41,159 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:41,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 12:01:41,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:01:41,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:41,164 INFO L85 PathProgramCache]: Analyzing trace with hash 144591002, now seen corresponding path program 1 times [2022-12-14 12:01:41,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:41,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672020843] [2022-12-14 12:01:41,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:41,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:41,264 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:01:41,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765492792] [2022-12-14 12:01:41,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:41,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:41,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:41,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:41,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:01:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:41,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 12:01:41,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:01:41,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:41,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:01:41,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:41,497 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 22 treesize of output 10 [2022-12-14 12:01:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:01:41,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:01:41,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:41,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672020843] [2022-12-14 12:01:41,508 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:01:41,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765492792] [2022-12-14 12:01:41,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765492792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:01:41,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:01:41,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:01:41,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356641922] [2022-12-14 12:01:41,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:01:41,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:01:41,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:41,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:01:41,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:01:41,539 INFO L87 Difference]: Start difference. First operand has 1123 states, 609 states have (on average 1.9655172413793103) internal successors, (1197), 1117 states have internal predecessors, (1197), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:43,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:43,373 INFO L93 Difference]: Finished difference Result 3309 states and 6518 transitions. [2022-12-14 12:01:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:01:43,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-12-14 12:01:43,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:43,406 INFO L225 Difference]: With dead ends: 3309 [2022-12-14 12:01:43,407 INFO L226 Difference]: Without dead ends: 2167 [2022-12-14 12:01:43,415 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 [2022-12-14 12:01:43,417 INFO L413 NwaCegarLoop]: 2605 mSDtfsCounter, 1068 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1568 SdHoareTripleChecker+Valid, 6795 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:43,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 6795 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 12:01:43,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2022-12-14 12:01:43,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 1111. [2022-12-14 12:01:43,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.874581939799331) internal successors, (1121), 1105 states have internal predecessors, (1121), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 12:01:43,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2127 transitions. [2022-12-14 12:01:43,720 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2127 transitions. Word has length 4 [2022-12-14 12:01:43,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:43,720 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2127 transitions. [2022-12-14 12:01:43,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2127 transitions. [2022-12-14 12:01:43,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 12:01:43,721 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:43,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:01:43,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:01:43,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:43,924 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:01:43,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:43,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1632001244, now seen corresponding path program 1 times [2022-12-14 12:01:43,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:43,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903018809] [2022-12-14 12:01:43,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:43,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:01:44,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:44,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903018809] [2022-12-14 12:01:44,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903018809] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:01:44,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:01:44,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:01:44,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069906565] [2022-12-14 12:01:44,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:01:44,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:01:44,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:44,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:01:44,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:01:44,303 INFO L87 Difference]: Start difference. First operand 1111 states and 2127 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:47,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:01:47,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:47,933 INFO L93 Difference]: Finished difference Result 3200 states and 6229 transitions. [2022-12-14 12:01:47,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:01:47,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2022-12-14 12:01:47,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:47,947 INFO L225 Difference]: With dead ends: 3200 [2022-12-14 12:01:47,948 INFO L226 Difference]: Without dead ends: 2154 [2022-12-14 12:01:47,950 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 [2022-12-14 12:01:47,951 INFO L413 NwaCegarLoop]: 2598 mSDtfsCounter, 1051 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 6775 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:47,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 6775 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-14 12:01:47,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-12-14 12:01:48,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1111. [2022-12-14 12:01:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.8729096989966556) internal successors, (1120), 1105 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 12:01:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2126 transitions. [2022-12-14 12:01:48,154 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2126 transitions. Word has length 20 [2022-12-14 12:01:48,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:48,154 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2126 transitions. [2022-12-14 12:01:48,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2126 transitions. [2022-12-14 12:01:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 12:01:48,155 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:48,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:01:48,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:01:48,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:01:48,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:48,156 INFO L85 PathProgramCache]: Analyzing trace with hash -629111386, now seen corresponding path program 1 times [2022-12-14 12:01:48,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:48,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815212994] [2022-12-14 12:01:48,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:48,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:48,247 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:01:48,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1812061802] [2022-12-14 12:01:48,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:48,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:48,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:48,248 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:48,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:01:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:48,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:01:48,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:01:48,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:01:48,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:01:48,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:48,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815212994] [2022-12-14 12:01:48,791 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:01:48,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812061802] [2022-12-14 12:01:48,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812061802] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:01:48,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:01:48,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:01:48,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705473989] [2022-12-14 12:01:48,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:01:48,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:01:48,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:48,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:01:48,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:01:48,800 INFO L87 Difference]: Start difference. First operand 1111 states and 2126 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:49,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:49,703 INFO L93 Difference]: Finished difference Result 3258 states and 6292 transitions. [2022-12-14 12:01:49,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:01:49,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-14 12:01:49,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:49,718 INFO L225 Difference]: With dead ends: 3258 [2022-12-14 12:01:49,718 INFO L226 Difference]: Without dead ends: 2152 [2022-12-14 12:01:49,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:01:49,722 INFO L413 NwaCegarLoop]: 2622 mSDtfsCounter, 1039 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:49,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 4711 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:01:49,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2022-12-14 12:01:49,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2148. [2022-12-14 12:01:50,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2148 states, 1135 states have (on average 1.905726872246696) internal successors, (2163), 2142 states have internal predecessors, (2163), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-12-14 12:01:50,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 4169 transitions. [2022-12-14 12:01:50,010 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 4169 transitions. Word has length 28 [2022-12-14 12:01:50,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:50,010 INFO L495 AbstractCegarLoop]: Abstraction has 2148 states and 4169 transitions. [2022-12-14 12:01:50,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:50,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 4169 transitions. [2022-12-14 12:01:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 12:01:50,011 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:50,011 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:01:50,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 12:01:50,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:50,212 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:01:50,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:50,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1213932220, now seen corresponding path program 1 times [2022-12-14 12:01:50,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:50,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707491988] [2022-12-14 12:01:50,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:50,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:50,317 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:01:50,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1076410916] [2022-12-14 12:01:50,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:50,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:50,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:50,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:50,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:02:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:02:06,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 12:02:06,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:02:06,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:02:06,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:02:06,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:02:06,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707491988] [2022-12-14 12:02:06,602 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:02:06,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076410916] [2022-12-14 12:02:06,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076410916] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:02:06,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:02:06,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:02:06,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054232106] [2022-12-14 12:02:06,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:02:06,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:02:06,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:02:06,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:02:06,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:02:06,605 INFO L87 Difference]: Start difference. First operand 2148 states and 4169 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:02:07,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:02:07,590 INFO L93 Difference]: Finished difference Result 4280 states and 8324 transitions. [2022-12-14 12:02:07,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:02:07,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-12-14 12:02:07,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:02:07,602 INFO L225 Difference]: With dead ends: 4280 [2022-12-14 12:02:07,602 INFO L226 Difference]: Without dead ends: 2150 [2022-12-14 12:02:07,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:02:07,608 INFO L413 NwaCegarLoop]: 2107 mSDtfsCounter, 1 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6317 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:02:07,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6317 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 12:02:07,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2022-12-14 12:02:07,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2150. [2022-12-14 12:02:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 1136 states have (on average 1.9058098591549295) internal successors, (2165), 2144 states have internal predecessors, (2165), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 3 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2022-12-14 12:02:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 4172 transitions. [2022-12-14 12:02:07,871 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 4172 transitions. Word has length 41 [2022-12-14 12:02:07,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:02:07,871 INFO L495 AbstractCegarLoop]: Abstraction has 2150 states and 4172 transitions. [2022-12-14 12:02:07,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:02:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 4172 transitions. [2022-12-14 12:02:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 12:02:07,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:02:07,872 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] [2022-12-14 12:02:07,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 12:02:08,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:02:08,073 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:02:08,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:02:08,073 INFO L85 PathProgramCache]: Analyzing trace with hash -535975716, now seen corresponding path program 1 times [2022-12-14 12:02:08,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:02:08,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544664249] [2022-12-14 12:02:08,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:02:08,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:02:08,116 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:02:08,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742564371] [2022-12-14 12:02:08,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:02:08,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:02:08,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:02:08,118 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:02:08,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a4d7ec-06ce-438f-9e98-31a3b37a0b3b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 12:02:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:02:26,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 12:02:26,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:02:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:02:26,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:02:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 12:02:26,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:02:26,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544664249] [2022-12-14 12:02:26,919 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:02:26,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742564371] [2022-12-14 12:02:26,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742564371] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:02:26,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [632946260] [2022-12-14 12:02:26,935 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-12-14 12:02:26,935 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:02:26,938 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:02:26,942 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:02:26,942 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:02:27,001 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 [2022-12-14 12:02:27,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,035 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:02:27,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 12:02:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,045 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 [2022-12-14 12:02:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 12:02:27,061 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 15 treesize of output 1 [2022-12-14 12:02:27,081 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 [2022-12-14 12:02:27,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,110 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:02:27,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 12:02:27,121 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 [2022-12-14 12:02:27,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,154 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:02:27,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 12:02:27,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,170 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 0 case distinctions, treesize of input 37 treesize of output 38 [2022-12-14 12:02:27,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 12:02:27,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 84 treesize of output 64 [2022-12-14 12:02:27,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 12:02:27,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:02:27,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,692 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 9896995 treesize of output 5376286 [2022-12-14 12:02:27,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,736 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 8458577 treesize of output 4759834 [2022-12-14 12:02:27,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:02:27,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 12:02:27,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,864 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 [2022-12-14 12:02:27,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,913 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 [2022-12-14 12:02:27,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 12:02:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:27,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,003 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 [2022-12-14 12:02:28,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 12:02:28,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 12:02:28,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,114 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 12:02:28,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 12:02:28,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-12-14 12:02:28,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 12:02:28,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 12:02:28,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:02:28,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 12:02:28,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 12:02:28,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 12:02:28,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:02:28,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 12:02:28,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 12:02:28,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 12:02:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,411 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 [2022-12-14 12:02:28,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 12:02:28,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:28,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 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 [2022-12-14 12:02:28,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 12:02:28,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 12:02:29,978 INFO L217 Elim1Store]: Index analysis took 1181 ms [2022-12-14 12:02:32,051 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-12-14 12:02:32,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-12-14 12:02:33,620 INFO L217 Elim1Store]: Index analysis took 1438 ms [2022-12-14 12:02:36,463 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-12-14 12:02:36,464 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 9519777 treesize of output 9519780 [2022-12-14 12:02:43,523 WARN L233 SmtUtils]: Spent 6.85s 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) [2022-12-14 12:02:43,524 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 12:02:43,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 12:02:58,188 WARN L233 SmtUtils]: Spent 14.56s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 12:02:58,189 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 12:02:58,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-12-14 12:02:58,879 INFO L217 Elim1Store]: Index analysis took 510 ms [2022-12-14 12:03:13,480 WARN L233 SmtUtils]: Spent 14.09s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 12:03:13,481 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 12:03:13,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 12:03:14,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:03:14,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:03:14,266 INFO L217 Elim1Store]: Index analysis took 317 ms [2022-12-14 12:03:14,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 101 [2022-12-14 12:03:14,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:03:14,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:03:14,364 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 42 treesize of output 30 [2022-12-14 12:03:14,930 INFO L217 Elim1Store]: Index analysis took 414 ms [2022-12-14 12:03:15,820 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-12-14 12:03:15,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 118 [2022-12-14 12:03:15,939 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:03:15,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 12:03:16,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:03:16,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:03:16,199 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 42 treesize of output 30 [2022-12-14 12:03:16,681 INFO L217 Elim1Store]: Index analysis took 175 ms [2022-12-14 12:03:17,012 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 12:03:17,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 12:03:17,096 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 7 treesize of output 3 [2022-12-14 12:03:17,720 INFO L217 Elim1Store]: Index analysis took 308 ms [2022-12-14 12:03:18,674 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:03:18,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-12-14 12:03:19,270 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:03:20,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:03:20,241 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 13 [2022-12-14 12:03:22,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:03:22,549 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 [2022-12-14 12:03:22,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:03:22,596 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 [2022-12-14 12:03:24,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:03:24,322 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 [2022-12-14 12:03:24,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:03:24,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:03:24,953 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-12-14 12:03:25,161 INFO L321 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2022-12-14 12:03:25,162 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 28 treesize of output 24 [2022-12-14 12:03:25,782 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:03:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:03:25,933 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 [2022-12-14 12:05:42,044 WARN L233 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 43070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 12:05:56,060 WARN L233 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 43069 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)