./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/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_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/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_4a42d9b7-71a1-4944-93aa-42e708472eb5/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 e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd --- 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 14:36:36,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:36:36,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:36:36,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:36:36,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:36:36,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:36:36,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:36:36,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:36:36,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:36:36,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:36:36,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:36:36,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:36:36,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:36:36,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:36:36,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:36:36,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:36:36,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:36:36,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:36:36,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:36:36,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:36:36,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:36:36,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:36:36,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:36:36,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:36:36,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:36:36,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:36:36,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:36:36,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:36:36,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:36:36,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:36:36,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:36:36,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:36:36,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:36:36,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:36:36,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:36:36,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:36:36,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:36:36,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:36:36,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:36:36,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:36:36,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:36:36,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:36:36,357 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:36:36,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:36:36,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:36:36,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:36:36,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:36:36,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:36:36,360 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:36:36,360 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:36:36,360 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:36:36,361 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:36:36,362 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:36:36,362 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:36:36,362 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:36:36,362 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:36:36,363 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:36:36,363 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:36:36,363 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:36:36,363 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:36:36,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:36:36,364 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:36:36,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:36:36,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:36:36,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:36:36,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:36:36,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:36:36,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:36:36,366 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:36:36,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:36:36,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:36:36,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:36:36,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:36:36,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:36:36,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:36:36,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:36:36,368 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:36:36,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:36:36,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:36:36,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:36:36,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:36:36,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:36:36,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:36:36,369 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_4a42d9b7-71a1-4944-93aa-42e708472eb5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd [2022-11-23 14:36:36,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:36:36,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:36:36,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:36:36,682 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:36:36,682 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:36:36,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2022-11-23 14:36:39,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:36:40,037 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:36:40,037 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2022-11-23 14:36:40,061 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/data/b9b23b430/b87a94422888444390506d818b0ee20b/FLAGc5c256c38 [2022-11-23 14:36:40,080 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/data/b9b23b430/b87a94422888444390506d818b0ee20b [2022-11-23 14:36:40,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:36:40,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:36:40,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:36:40,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:36:40,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:36:40,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:36:40" (1/1) ... [2022-11-23 14:36:40,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dedd3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:40, skipping insertion in model container [2022-11-23 14:36:40,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:36:40" (1/1) ... [2022-11-23 14:36:40,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:36:40,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:36:40,710 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_4a42d9b7-71a1-4944-93aa-42e708472eb5/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2022-11-23 14:36:40,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:36:40,897 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:36:40,928 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_4a42d9b7-71a1-4944-93aa-42e708472eb5/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2022-11-23 14:36:41,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:36:41,095 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:36:41,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41 WrapperNode [2022-11-23 14:36:41,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:36:41,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:36:41,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:36:41,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:36:41,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2022-11-23 14:36:41,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2022-11-23 14:36:41,279 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-11-23 14:36:41,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:36:41,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:36:41,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:36:41,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:36:41,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2022-11-23 14:36:41,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2022-11-23 14:36:41,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2022-11-23 14:36:41,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2022-11-23 14:36:41,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2022-11-23 14:36:41,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2022-11-23 14:36:41,437 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2022-11-23 14:36:41,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2022-11-23 14:36:41,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:36:41,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:36:41,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:36:41,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:36:41,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2022-11-23 14:36:41,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:36:41,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:36:41,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:36:41,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:36:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:36:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:36:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:36:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:36:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:36:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:36:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:36:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:36:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:36:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:36:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:36:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:36:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:36:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:36:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:36:41,932 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:36:41,934 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:36:43,848 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:36:44,385 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:36:44,385 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-11-23 14:36:44,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:36:44 BoogieIcfgContainer [2022-11-23 14:36:44,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:36:44,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:36:44,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:36:44,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:36:44,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:36:40" (1/3) ... [2022-11-23 14:36:44,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be35586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:36:44, skipping insertion in model container [2022-11-23 14:36:44,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (2/3) ... [2022-11-23 14:36:44,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be35586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:36:44, skipping insertion in model container [2022-11-23 14:36:44,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:36:44" (3/3) ... [2022-11-23 14:36:44,400 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-2.i [2022-11-23 14:36:44,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:36:44,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:36:44,468 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:36:44,475 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;@39e29add, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:36:44,475 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:36:44,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 14:36:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:36:44,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:36:44,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:36:44,489 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:36:44,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:36:44,494 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-11-23 14:36:44,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:36:44,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454179845] [2022-11-23 14:36:44,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:36:44,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:36:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:36:44,736 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 14:36:44,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:36:44,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454179845] [2022-11-23 14:36:44,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454179845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:36:44,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:36:44,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:36:44,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736828814] [2022-11-23 14:36:44,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:36:44,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:36:44,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:36:44,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:36:44,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:36:44,828 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:36:46,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:36:46,269 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-11-23 14:36:46,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:36:46,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 14:36:46,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:36:46,284 INFO L225 Difference]: With dead ends: 375 [2022-11-23 14:36:46,285 INFO L226 Difference]: Without dead ends: 220 [2022-11-23 14:36:46,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 14:36:46,291 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:36:46,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 14:36:46,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-23 14:36:46,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-23 14:36:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 14:36:46,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-23 14:36:46,339 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-23 14:36:46,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:36:46,340 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-23 14:36:46,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:36:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-23 14:36:46,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 14:36:46,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:36:46,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:36:46,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:36:46,344 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:36:46,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:36:46,345 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-11-23 14:36:46,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:36:46,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259059432] [2022-11-23 14:36:46,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:36:46,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:36:46,632 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:36:46,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167131512] [2022-11-23 14:36:46,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:36:46,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:36:46,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:36:46,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:36:46,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:36:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:36:48,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:36:48,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:36:48,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:36:48,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:36:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:36:48,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:36:48,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259059432] [2022-11-23 14:36:48,337 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:36:48,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167131512] [2022-11-23 14:36:48,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167131512] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:36:48,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1569602294] [2022-11-23 14:36:48,382 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-23 14:36:48,383 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:36:48,388 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:36:48,393 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:36:48,395 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:36:48,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:48,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:36:48,648 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:36:48,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:36:48,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:48,673 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 14:36:48,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 14:36:48,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:48,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:36:48,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 14:36:49,224 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 14:36:49,246 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 14:36:49,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:36:49,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 14:36:49,443 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:36:49,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 14:36:49,495 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:36:49,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:36:49,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,518 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 14:36:49,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:36:49,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 14:36:49,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:49,556 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 14:36:49,975 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 14:36:49,993 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 14:36:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:36:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:36:50,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-23 14:36:50,168 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:36:58,349 WARN L233 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:37:05,909 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:37:05,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1569602294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:37:05,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:37:05,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-23 14:37:05,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931245910] [2022-11-23 14:37:05,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:37:05,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:37:05,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:37:05,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:37:05,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-23 14:37:05,919 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:37:08,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:37:11,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:37:13,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:37:15,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:37:15,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:37:15,440 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-23 14:37:15,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:37:15,442 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-23 14:37:15,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:37:15,444 INFO L225 Difference]: With dead ends: 265 [2022-11-23 14:37:15,444 INFO L226 Difference]: Without dead ends: 140 [2022-11-23 14:37:15,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-23 14:37:15,446 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 14 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:37:15,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 265 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2022-11-23 14:37:15,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-23 14:37:15,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-23 14:37:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 14:37:15,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-23 14:37:15,493 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-23 14:37:15,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:37:15,493 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-23 14:37:15,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:37:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-23 14:37:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 14:37:15,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:37:15,498 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:37:15,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:37:15,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-23 14:37:15,699 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:37:15,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:37:15,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-11-23 14:37:15,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:37:15,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870108083] [2022-11-23 14:37:15,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:37:15,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:37:15,877 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:37:15,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178046972] [2022-11-23 14:37:15,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:37:15,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:37:15,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:37:15,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:37:15,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:37:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:37:17,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:37:17,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:37:17,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:37:17,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:37:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:37:17,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:37:17,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870108083] [2022-11-23 14:37:17,286 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:37:17,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178046972] [2022-11-23 14:37:17,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178046972] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:37:17,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1762898351] [2022-11-23 14:37:17,290 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-23 14:37:17,291 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:37:17,291 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:37:17,291 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:37:17,292 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:37:17,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:37:17,427 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:37:17,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 14:37:17,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:37:17,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,463 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:37:17,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-23 14:37:17,524 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:37:17,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:37:17,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,547 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 14:37:17,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:37:17,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:17,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 14:37:18,002 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 14:37:18,019 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 14:37:18,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:37:18,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:37:18,180 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 14:37:18,195 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 14:37:18,242 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 14:37:18,313 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:37:18,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-23 14:37:18,394 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:37:18,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 14:37:18,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:37:18,489 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 14:37:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:37:18,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,844 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:37:18,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-23 14:37:18,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:37:18,903 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:37:18,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:37:18,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 14:37:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:18,935 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 14:37:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:37:19,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 14:37:19,424 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 14:37:19,449 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 14:37:19,501 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 14:37:19,513 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 14:37:19,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:37:19,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:37:19,701 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 14:37:19,774 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:37:19,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 14:37:19,791 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 28 treesize of output 36 [2022-11-23 14:37:19,820 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 14:37:19,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:19,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:37:20,258 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-23 14:37:20,356 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:37:28,316 WARN L233 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:37:36,003 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:37:46,364 WARN L233 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:37:59,457 WARN L233 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:38:11,638 WARN L233 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:38:14,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1762898351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:38:14,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:38:14,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-23 14:38:14,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210257945] [2022-11-23 14:38:14,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:38:14,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 14:38:14,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:38:14,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 14:38:14,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=171, Unknown=11, NotChecked=0, Total=272 [2022-11-23 14:38:14,396 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:38:20,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:38:22,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:38:24,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:38:26,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:38:28,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:38:30,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:38:36,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:38:38,650 WARN L539 Checker$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 14:38:40,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:38:42,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:38:42,179 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-23 14:38:42,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:38:42,179 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-23 14:38:42,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:38:42,181 INFO L225 Difference]: With dead ends: 267 [2022-11-23 14:38:42,181 INFO L226 Difference]: Without dead ends: 142 [2022-11-23 14:38:42,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 57.1s TimeCoverageRelationStatistics Valid=100, Invalid=195, Unknown=11, NotChecked=0, Total=306 [2022-11-23 14:38:42,183 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 14 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 6 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:38:42,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 453 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 250 Invalid, 7 Unknown, 0 Unchecked, 24.7s Time] [2022-11-23 14:38:42,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-23 14:38:42,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-23 14:38:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-23 14:38:42,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-23 14:38:42,222 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-23 14:38:42,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:38:42,222 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-23 14:38:42,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:38:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-23 14:38:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 14:38:42,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:38:42,225 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:38:42,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:38:42,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:38:42,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:38:42,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:38:42,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-11-23 14:38:42,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:38:42,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500677265] [2022-11-23 14:38:42,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:42,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:38:42,593 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:38:42,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1901719358] [2022-11-23 14:38:42,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:42,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:38:42,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:38:42,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:38:42,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a42d9b7-71a1-4944-93aa-42e708472eb5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:38:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:43,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:38:43,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:38:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:38:43,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:38:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:38:44,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:38:44,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500677265] [2022-11-23 14:38:44,035 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:38:44,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901719358] [2022-11-23 14:38:44,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901719358] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:38:44,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1604401370] [2022-11-23 14:38:44,039 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-23 14:38:44,039 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:38:44,040 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:38:44,040 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:38:44,040 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:38:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:38:44,151 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:38:44,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:38:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,166 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 14:38:44,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 14:38:44,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:38:44,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 14:38:44,432 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 14:38:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:38:44,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 14:38:44,596 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 14:38:44,625 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 14:38:44,635 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 14:38:44,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:38:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:38:44,800 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 14:38:44,868 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:38:44,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 14:38:44,891 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 28 treesize of output 36 [2022-11-23 14:38:44,917 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 14:38:44,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:44,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:38:45,123 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 14:38:45,128 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 14:38:45,134 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 14:38:45,152 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 14:38:45,160 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 14:38:45,168 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 14:38:45,198 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 14:38:45,203 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 14:38:45,209 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 14:38:45,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 14:38:45,313 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 14:38:45,336 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 14:38:45,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:45,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 14:38:45,532 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 14:38:45,549 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 14:38:46,503 INFO L217 Elim1Store]: Index analysis took 584 ms [2022-11-23 14:38:49,350 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-23 14:38:49,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-11-23 14:38:50,067 INFO L217 Elim1Store]: Index analysis took 548 ms [2022-11-23 14:38:53,586 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-23 14:38:53,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-11-23 14:39:02,860 WARN L233 SmtUtils]: Spent 9.21s 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 14:39:02,861 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 14:39:02,861 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 14:39:28,630 WARN L233 SmtUtils]: Spent 25.57s 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 14:39:28,631 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 14:39:28,631 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 1824 [2022-11-23 14:39:29,494 INFO L217 Elim1Store]: Index analysis took 669 ms [2022-11-23 14:39:49,615 WARN L233 SmtUtils]: Spent 19.61s 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 14:39:49,616 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-23 14:39:49,617 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 14:39:51,356 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-23 14:39:51,356 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 14:39:51,435 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 14:39:51,790 INFO L217 Elim1Store]: Index analysis took 209 ms [2022-11-23 14:39:53,137 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:39:53,138 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 14:39:59,960 INFO L217 Elim1Store]: Index analysis took 797 ms