./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:51:36,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:51:36,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:51:36,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:51:36,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:51:36,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:51:36,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:51:36,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:51:36,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:51:36,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:51:36,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:51:36,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:51:36,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:51:36,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:51:36,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:51:36,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:51:36,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:51:36,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:51:36,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:51:36,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:51:36,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:51:36,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:51:36,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:51:36,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:51:36,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:51:36,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:51:36,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:51:36,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:51:36,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:51:36,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:51:36,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:51:36,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:51:36,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:51:36,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:51:36,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:51:36,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:51:36,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:51:36,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:51:36,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:51:36,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:51:36,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:51:36,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 13:51:36,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:51:36,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:51:36,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:51:36,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:51:36,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:51:36,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:51:36,450 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:51:36,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:51:36,450 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:51:36,451 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:51:36,451 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:51:36,451 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:51:36,451 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:51:36,451 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:51:36,451 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:51:36,452 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:51:36,452 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:51:36,452 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:51:36,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:51:36,453 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:51:36,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:51:36,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:51:36,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:51:36,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:51:36,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:51:36,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:51:36,454 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:51:36,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:51:36,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:51:36,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:51:36,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:51:36,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:51:36,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:51:36,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:51:36,456 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:51:36,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:51:36,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:51:36,456 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:51:36,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:51:36,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:51:36,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:51:36,457 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_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e [2022-11-23 13:51:36,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:51:36,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:51:36,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:51:36,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:51:36,811 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:51:36,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2022-11-23 13:51:39,827 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:51:40,231 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:51:40,233 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2022-11-23 13:51:40,262 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/data/ae108c747/06052c6dd0424ed894095eed5d1fcda9/FLAG734062aae [2022-11-23 13:51:40,285 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/data/ae108c747/06052c6dd0424ed894095eed5d1fcda9 [2022-11-23 13:51:40,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:51:40,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:51:40,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:51:40,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:51:40,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:51:40,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:40" (1/1) ... [2022-11-23 13:51:40,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272e5e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:40, skipping insertion in model container [2022-11-23 13:51:40,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:40" (1/1) ... [2022-11-23 13:51:40,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:51:40,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:51:40,874 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_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2022-11-23 13:51:41,023 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2022-11-23 13:51:41,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:51:41,039 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:51:41,073 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_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2022-11-23 13:51:41,131 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_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2022-11-23 13:51:41,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:51:41,178 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:51:41,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41 WrapperNode [2022-11-23 13:51:41,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:51:41,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:51:41,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:51:41,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:51:41,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (1/1) ... [2022-11-23 13:51:41,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (1/1) ... [2022-11-23 13:51:41,273 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 880 [2022-11-23 13:51:41,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:51:41,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:51:41,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:51:41,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:51:41,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (1/1) ... [2022-11-23 13:51:41,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (1/1) ... [2022-11-23 13:51:41,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (1/1) ... [2022-11-23 13:51:41,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (1/1) ... [2022-11-23 13:51:41,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (1/1) ... [2022-11-23 13:51:41,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (1/1) ... [2022-11-23 13:51:41,389 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (1/1) ... [2022-11-23 13:51:41,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (1/1) ... [2022-11-23 13:51:41,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:51:41,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:51:41,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:51:41,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:51:41,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (1/1) ... [2022-11-23 13:51:41,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:51:41,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:51:41,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:51:41,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:51:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 13:51:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 13:51:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:51:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 13:51:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 13:51:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:51:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:51:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 13:51:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 13:51:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:51:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 13:51:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:51:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 13:51:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:51:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:51:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:51:41,787 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:51:41,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:51:43,346 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:51:43,722 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:51:43,723 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-23 13:51:43,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:43 BoogieIcfgContainer [2022-11-23 13:51:43,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:51:43,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:51:43,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:51:43,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:51:43,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:51:40" (1/3) ... [2022-11-23 13:51:43,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691e8d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:43, skipping insertion in model container [2022-11-23 13:51:43,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:41" (2/3) ... [2022-11-23 13:51:43,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691e8d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:43, skipping insertion in model container [2022-11-23 13:51:43,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:43" (3/3) ... [2022-11-23 13:51:43,734 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test2-1.i [2022-11-23 13:51:43,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:51:43,754 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 13:51:43,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:51:43,811 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;@6a7ba30a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:51:43,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 13:51:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:51:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 13:51:43,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:43,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:43,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:51:43,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:43,830 INFO L85 PathProgramCache]: Analyzing trace with hash -22795765, now seen corresponding path program 1 times [2022-11-23 13:51:43,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:51:43,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245362114] [2022-11-23 13:51:43,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:43,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:51:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:43,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:51:43,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:51:43,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245362114] [2022-11-23 13:51:43,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245362114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:43,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:43,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:51:43,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076199210] [2022-11-23 13:51:43,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:43,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 13:51:43,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:51:44,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 13:51:44,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:51:44,026 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:51:44,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:44,427 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2022-11-23 13:51:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 13:51:44,433 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2022-11-23 13:51:44,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:44,442 INFO L225 Difference]: With dead ends: 217 [2022-11-23 13:51:44,442 INFO L226 Difference]: Without dead ends: 107 [2022-11-23 13:51:44,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:51:44,449 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:44,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 13:51:44,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-23 13:51:44,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-23 13:51:44,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:51:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2022-11-23 13:51:44,493 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2022-11-23 13:51:44,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:44,494 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2022-11-23 13:51:44,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:51:44,494 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2022-11-23 13:51:44,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 13:51:44,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:44,496 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] [2022-11-23 13:51:44,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:51:44,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:51:44,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:44,497 INFO L85 PathProgramCache]: Analyzing trace with hash -615084539, now seen corresponding path program 1 times [2022-11-23 13:51:44,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:51:44,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155851876] [2022-11-23 13:51:44,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:44,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:51:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:44,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:51:44,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:51:44,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155851876] [2022-11-23 13:51:44,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155851876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:44,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:44,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:51:44,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753198439] [2022-11-23 13:51:44,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:44,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:51:44,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:51:44,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:51:44,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:51:44,910 INFO L87 Difference]: Start difference. First operand 107 states and 132 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) [2022-11-23 13:51:47,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:47,215 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2022-11-23 13:51:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:51:47,221 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 [2022-11-23 13:51:47,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:47,223 INFO L225 Difference]: With dead ends: 222 [2022-11-23 13:51:47,223 INFO L226 Difference]: Without dead ends: 168 [2022-11-23 13:51:47,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:51:47,225 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:47,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 316 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 13:51:47,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-23 13:51:47,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2022-11-23 13:51:47,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:51:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2022-11-23 13:51:47,245 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2022-11-23 13:51:47,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:47,245 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2022-11-23 13:51:47,246 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) [2022-11-23 13:51:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2022-11-23 13:51:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 13:51:47,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:47,248 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:47,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:51:47,249 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:51:47,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:47,249 INFO L85 PathProgramCache]: Analyzing trace with hash -711191121, now seen corresponding path program 1 times [2022-11-23 13:51:47,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:51:47,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531121978] [2022-11-23 13:51:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:47,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:51:47,448 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:51:47,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [272232838] [2022-11-23 13:51:47,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:47,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:51:47,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:51:47,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:51:47,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 13:51:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:48,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:51:48,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:51:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:51:48,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:51:48,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:51:48,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531121978] [2022-11-23 13:51:48,353 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:51:48,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272232838] [2022-11-23 13:51:48,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272232838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:48,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:48,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:51:48,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159631483] [2022-11-23 13:51:48,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:48,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:51:48,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:51:48,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:51:48,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:51:48,355 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:51:48,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:48,913 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2022-11-23 13:51:48,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:51:48,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-23 13:51:48,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:48,918 INFO L225 Difference]: With dead ends: 260 [2022-11-23 13:51:48,919 INFO L226 Difference]: Without dead ends: 154 [2022-11-23 13:51:48,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:51:48,921 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 43 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:48,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:51:48,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-23 13:51:48,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2022-11-23 13:51:48,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 13:51:48,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2022-11-23 13:51:48,941 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2022-11-23 13:51:48,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:48,942 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2022-11-23 13:51:48,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:51:48,942 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2022-11-23 13:51:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 13:51:48,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:48,944 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:48,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 13:51:49,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:51:49,145 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:51:49,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:49,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1770866427, now seen corresponding path program 1 times [2022-11-23 13:51:49,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:51:49,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177773522] [2022-11-23 13:51:49,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:49,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:51:49,229 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:51:49,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [559008423] [2022-11-23 13:51:49,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:49,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:51:49,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:51:49,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:51:49,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 13:51:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:49,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:51:49,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:51:49,943 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 13:51:49,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:51:49,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:51:49,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177773522] [2022-11-23 13:51:49,944 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:51:49,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559008423] [2022-11-23 13:51:49,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559008423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:49,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:49,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:51:49,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158887021] [2022-11-23 13:51:49,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:49,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:51:49,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:51:49,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:51:49,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:51:49,952 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:51:50,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:50,452 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2022-11-23 13:51:50,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:51:50,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-23 13:51:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:50,454 INFO L225 Difference]: With dead ends: 258 [2022-11-23 13:51:50,454 INFO L226 Difference]: Without dead ends: 122 [2022-11-23 13:51:50,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:51:50,459 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 163 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:50,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:51:50,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-23 13:51:50,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-23 13:51:50,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:51:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2022-11-23 13:51:50,488 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2022-11-23 13:51:50,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:50,492 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2022-11-23 13:51:50,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:51:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2022-11-23 13:51:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 13:51:50,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:50,497 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:50,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 13:51:50,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:51:50,711 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:51:50,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:50,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2135358000, now seen corresponding path program 1 times [2022-11-23 13:51:50,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:51:50,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165890177] [2022-11-23 13:51:50,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:50,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:51:50,805 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:51:50,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1858273329] [2022-11-23 13:51:50,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:50,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:51:50,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:51:50,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:51:50,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 13:52:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:52:16,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 13:52:16,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:52:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 13:52:16,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:52:16,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:52:16,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165890177] [2022-11-23 13:52:16,329 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:52:16,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858273329] [2022-11-23 13:52:16,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858273329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:52:16,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:52:16,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:52:16,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807434128] [2022-11-23 13:52:16,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:52:16,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:52:16,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:52:16,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:52:16,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:52:16,332 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:52:20,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 13:52:20,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:52:20,042 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2022-11-23 13:52:20,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:52:20,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-23 13:52:20,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:52:20,052 INFO L225 Difference]: With dead ends: 227 [2022-11-23 13:52:20,053 INFO L226 Difference]: Without dead ends: 124 [2022-11-23 13:52:20,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:52:20,054 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:52:20,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-23 13:52:20,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-23 13:52:20,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-23 13:52:20,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-23 13:52:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2022-11-23 13:52:20,067 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2022-11-23 13:52:20,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:52:20,068 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2022-11-23 13:52:20,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:52:20,068 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2022-11-23 13:52:20,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 13:52:20,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:52:20,070 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:52:20,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-23 13:52:20,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:52:20,287 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:52:20,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:52:20,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1303520738, now seen corresponding path program 1 times [2022-11-23 13:52:20,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:52:20,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079194188] [2022-11-23 13:52:20,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:52:20,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:52:20,373 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:52:20,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [113916020] [2022-11-23 13:52:20,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:52:20,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:52:20,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:52:20,376 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:52:20,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f9e38d-0dae-4c07-b1ad-a0fe634ee169/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 13:52:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:52:50,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 13:52:50,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:52:50,407 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 13:52:50,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:52:50,569 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:52:50,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:52:50,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079194188] [2022-11-23 13:52:50,570 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:52:50,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113916020] [2022-11-23 13:52:50,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113916020] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:52:50,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [933976689] [2022-11-23 13:52:50,603 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-23 13:52:50,604 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:52:50,609 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:52:50,615 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:52:50,616 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:52:50,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 13:52:50,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 13:52:50,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:50,827 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 13:52:50,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-23 13:52:50,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:50,843 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 13:52:50,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:50,881 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 13:52:50,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-23 13:52:50,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:50,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:50,961 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 13:52:50,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 13:52:50,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:50,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 13:52:51,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 13:52:51,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,032 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 52 treesize of output 49 [2022-11-23 13:52:51,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-23 13:52:51,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 13:52:51,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 13:52:51,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-23 13:52:51,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-23 13:52:51,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,800 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 9897022 treesize of output 5376303 [2022-11-23 13:52:51,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 13:52:51,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 13:52:51,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 13:52:51,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 13:52:51,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:51,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 13:52:52,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 13:52:52,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,118 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 13:52:52,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-23 13:52:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,211 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 13:52:52,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-23 13:52:52,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 13:52:52,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 13:52:52,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 13:52:52,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-23 13:52:52,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-23 13:52:52,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-23 13:52:52,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 13:52:52,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 13:52:52,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 13:52:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,609 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 [2022-11-23 13:52:52,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 13:52:52,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 13:52:52,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:52:52,892 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 [2022-11-23 13:52:52,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 13:52:52,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 13:52:53,955 INFO L217 Elim1Store]: Index analysis took 490 ms [2022-11-23 13:52:57,313 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-23 13:52:57,314 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 [2022-11-23 13:52:59,360 INFO L217 Elim1Store]: Index analysis took 995 ms [2022-11-23 13:53:03,680 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-23 13:53:03,681 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 [2022-11-23 13:53:11,364 WARN L233 SmtUtils]: Spent 7.63s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:53:11,365 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 13:53:11,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-23 13:53:32,651 WARN L233 SmtUtils]: Spent 21.11s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:53:32,652 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 13:53:32,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-11-23 13:53:33,522 INFO L217 Elim1Store]: Index analysis took 667 ms [2022-11-23 13:53:49,907 WARN L233 SmtUtils]: Spent 16.10s 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) [2022-11-23 13:53:49,908 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-23 13:53:49,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2022-11-23 13:53:50,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:53:51,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:53:51,286 INFO L217 Elim1Store]: Index analysis took 318 ms [2022-11-23 13:53:51,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 97 [2022-11-23 13:53:51,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:53:51,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:53:51,494 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 38 treesize of output 28 [2022-11-23 13:53:51,543 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:53:53,864 INFO L217 Elim1Store]: Index analysis took 1221 ms [2022-11-23 13:53:54,397 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-23 13:53:54,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 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 [2022-11-23 13:53:54,459 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 [2022-11-23 13:53:57,908 INFO L217 Elim1Store]: Index analysis took 3007 ms [2022-11-23 13:53:58,812 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 13:53:58,812 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 [2022-11-23 13:53:59,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:53:59,094 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 [2022-11-23 13:53:59,244 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:54:00,687 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:54:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:04,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:54:04,862 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 32 treesize of output 20 [2022-11-23 13:54:04,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:04,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-23 13:54:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:05,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-23 13:54:05,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:05,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:05,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:05,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-23 13:54:05,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:54:05,958 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 32 treesize of output 20 [2022-11-23 13:54:09,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:09,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:09,184 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 32 treesize of output 20 [2022-11-23 13:54:09,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:09,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-23 13:54:13,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:13,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-23 13:54:13,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:13,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:13,484 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 32 treesize of output 20