./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V --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 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:20:21,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:20:21,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:20:21,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:20:21,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:20:21,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:20:21,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:20:21,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:20:21,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:20:21,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:20:21,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:20:21,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:20:21,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:20:21,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:20:21,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:20:21,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:20:21,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:20:21,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:20:21,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:20:21,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:20:21,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:20:21,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:20:21,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:20:21,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:20:21,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:20:21,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:20:21,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:20:21,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:20:21,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:20:21,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:20:21,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:20:21,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:20:21,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:20:21,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:20:21,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:20:21,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:20:21,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:20:21,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:20:21,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:20:21,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:20:21,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:20:21,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:20:21,391 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:20:21,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:20:21,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:20:21,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:20:21,392 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:20:21,393 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:20:21,393 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:20:21,393 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:20:21,393 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:20:21,393 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:20:21,394 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:20:21,394 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:20:21,394 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:20:21,394 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:20:21,394 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:20:21,395 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:20:21,395 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:20:21,395 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:20:21,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:20:21,396 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:20:21,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:20:21,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:20:21,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:20:21,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:20:21,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:20:21,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:20:21,397 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:20:21,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:20:21,398 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:20:21,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:20:21,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:20:21,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:20:21,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:20:21,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:20:21,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:20:21,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:20:21,400 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:20:21,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:20:21,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:20:21,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:20:21,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:20:21,401 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 [2021-11-23 03:20:21,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:20:21,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:20:21,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:20:21,665 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:20:21,666 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:20:21,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2021-11-23 03:20:21,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/data/ab2aec901/5405b44c69604b50b388bb2a1e08df9a/FLAGd24380f5a [2021-11-23 03:20:22,456 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:20:22,457 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2021-11-23 03:20:22,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/data/ab2aec901/5405b44c69604b50b388bb2a1e08df9a/FLAGd24380f5a [2021-11-23 03:20:22,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/data/ab2aec901/5405b44c69604b50b388bb2a1e08df9a [2021-11-23 03:20:22,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:20:22,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:20:22,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:20:22,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:20:22,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:20:22,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:22" (1/1) ... [2021-11-23 03:20:22,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1ab2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:22, skipping insertion in model container [2021-11-23 03:20:22,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:22" (1/1) ... [2021-11-23 03:20:22,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:20:22,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:20:23,232 WARN L230 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_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2021-11-23 03:20:23,517 WARN L230 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_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2021-11-23 03:20:23,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:20:23,530 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:20:23,558 WARN L230 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_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2021-11-23 03:20:23,686 WARN L230 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_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2021-11-23 03:20:23,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:20:23,724 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:20:23,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23 WrapperNode [2021-11-23 03:20:23,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:20:23,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:20:23,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:20:23,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:20:23,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23" (1/1) ... [2021-11-23 03:20:23,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23" (1/1) ... [2021-11-23 03:20:23,916 INFO L137 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2864 [2021-11-23 03:20:23,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:20:23,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:20:23,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:20:23,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:20:23,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23" (1/1) ... [2021-11-23 03:20:23,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23" (1/1) ... [2021-11-23 03:20:23,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23" (1/1) ... [2021-11-23 03:20:23,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23" (1/1) ... [2021-11-23 03:20:24,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23" (1/1) ... [2021-11-23 03:20:24,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23" (1/1) ... [2021-11-23 03:20:24,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23" (1/1) ... [2021-11-23 03:20:24,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:20:24,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:20:24,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:20:24,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:20:24,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23" (1/1) ... [2021-11-23 03:20:24,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:20:24,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:20:24,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:20:24,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:20:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:20:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:20:24,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:20:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:20:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:20:24,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:20:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:20:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:20:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:20:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:20:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:20:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:20:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:20:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:20:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:20:24,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:20:24,458 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:20:24,460 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:20:26,575 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:20:27,051 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:20:27,051 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-23 03:20:27,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:27 BoogieIcfgContainer [2021-11-23 03:20:27,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:20:27,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:20:27,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:20:27,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:20:27,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:20:22" (1/3) ... [2021-11-23 03:20:27,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194eb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:27, skipping insertion in model container [2021-11-23 03:20:27,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:23" (2/3) ... [2021-11-23 03:20:27,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194eb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:27, skipping insertion in model container [2021-11-23 03:20:27,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:27" (3/3) ... [2021-11-23 03:20:27,070 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-1.i [2021-11-23 03:20:27,081 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:20:27,081 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 03:20:27,152 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:20:27,168 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:20:27,168 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 03:20:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-23 03:20:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:20:27,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:20:27,247 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:20:27,248 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:20:27,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:20:27,254 INFO L85 PathProgramCache]: Analyzing trace with hash 933194323, now seen corresponding path program 1 times [2021-11-23 03:20:27,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:20:27,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354505257] [2021-11-23 03:20:27,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:27,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:20:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:20:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:20:27,453 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:20:27,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354505257] [2021-11-23 03:20:27,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354505257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:20:27,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:20:27,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:20:27,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052254940] [2021-11-23 03:20:27,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:20:27,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:20:27,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:20:27,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:20:27,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:20:27,502 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:20:28,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:20:28,423 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2021-11-23 03:20:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:20:28,435 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-23 03:20:28,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:20:28,474 INFO L225 Difference]: With dead ends: 2197 [2021-11-23 03:20:28,474 INFO L226 Difference]: Without dead ends: 1097 [2021-11-23 03:20:28,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:20:28,505 INFO L933 BasicCegarLoop]: 2100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:20:28,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2100 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 03:20:28,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2021-11-23 03:20:29,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2021-11-23 03:20:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-23 03:20:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2021-11-23 03:20:29,022 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2021-11-23 03:20:29,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:20:29,022 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2021-11-23 03:20:29,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:20:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2021-11-23 03:20:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 03:20:29,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:20:29,025 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:20:29,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:20:29,026 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:20:29,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:20:29,027 INFO L85 PathProgramCache]: Analyzing trace with hash -99314707, now seen corresponding path program 1 times [2021-11-23 03:20:29,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:20:29,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992972746] [2021-11-23 03:20:29,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:29,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:20:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:20:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:20:29,139 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:20:29,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992972746] [2021-11-23 03:20:29,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992972746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:20:29,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:20:29,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:20:29,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762395881] [2021-11-23 03:20:29,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:20:29,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:20:29,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:20:29,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:20:29,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:20:29,147 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:20:32,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:20:32,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:20:32,787 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2021-11-23 03:20:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:20:32,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-23 03:20:32,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:20:32,847 INFO L225 Difference]: With dead ends: 3192 [2021-11-23 03:20:32,847 INFO L226 Difference]: Without dead ends: 2148 [2021-11-23 03:20:32,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:20:32,858 INFO L933 BasicCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4176 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6754 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:20:32,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1556 Valid, 6754 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 577 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 03:20:32,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2021-11-23 03:20:33,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2021-11-23 03:20:33,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-23 03:20:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2021-11-23 03:20:33,408 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2021-11-23 03:20:33,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:20:33,408 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2021-11-23 03:20:33,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:20:33,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2021-11-23 03:20:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 03:20:33,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:20:33,412 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:20:33,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:20:33,412 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:20:33,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:20:33,413 INFO L85 PathProgramCache]: Analyzing trace with hash 289738723, now seen corresponding path program 1 times [2021-11-23 03:20:33,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:20:33,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132636] [2021-11-23 03:20:33,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:33,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:20:33,459 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:20:33,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1009497700] [2021-11-23 03:20:33,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:33,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:20:33,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:20:33,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:20:33,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:20:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:20:33,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:20:33,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:20:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:20:33,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:20:33,860 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:20:33,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132636] [2021-11-23 03:20:33,861 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:20:33,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009497700] [2021-11-23 03:20:33,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009497700] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:20:33,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:20:33,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:20:33,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695375960] [2021-11-23 03:20:33,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:20:33,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:20:33,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:20:33,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:20:33,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:20:33,868 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:20:36,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:20:36,056 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2021-11-23 03:20:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:20:36,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-23 03:20:36,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:20:36,096 INFO L225 Difference]: With dead ends: 3230 [2021-11-23 03:20:36,096 INFO L226 Difference]: Without dead ends: 2134 [2021-11-23 03:20:36,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:20:36,104 INFO L933 BasicCegarLoop]: 2612 mSDtfsCounter, 1033 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:20:36,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 03:20:36,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2021-11-23 03:20:36,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2021-11-23 03:20:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-23 03:20:36,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2021-11-23 03:20:36,607 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2021-11-23 03:20:36,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:20:36,608 INFO L470 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2021-11-23 03:20:36,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:20:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2021-11-23 03:20:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 03:20:36,611 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:20:36,611 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:20:36,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:20:36,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-23 03:20:36,837 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:20:36,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:20:36,838 INFO L85 PathProgramCache]: Analyzing trace with hash -2064469897, now seen corresponding path program 1 times [2021-11-23 03:20:36,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:20:36,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323104697] [2021-11-23 03:20:36,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:36,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:20:36,868 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:20:36,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690006751] [2021-11-23 03:20:36,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:36,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:20:36,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:20:36,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:20:36,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:20:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:20:37,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:20:37,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:20:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:20:37,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:20:37,250 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:20:37,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323104697] [2021-11-23 03:20:37,250 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:20:37,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690006751] [2021-11-23 03:20:37,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690006751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:20:37,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:20:37,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:20:37,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607501324] [2021-11-23 03:20:37,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:20:37,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:20:37,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:20:37,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:20:37,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:20:37,259 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:20:39,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:20:39,302 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2021-11-23 03:20:39,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:20:39,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-23 03:20:39,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:20:39,314 INFO L225 Difference]: With dead ends: 3228 [2021-11-23 03:20:39,314 INFO L226 Difference]: Without dead ends: 1112 [2021-11-23 03:20:39,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:20:39,329 INFO L933 BasicCegarLoop]: 2090 mSDtfsCounter, 2143 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:20:39,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2143 Valid, 3126 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 03:20:39,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2021-11-23 03:20:39,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2021-11-23 03:20:39,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-23 03:20:39,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2021-11-23 03:20:39,578 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2021-11-23 03:20:39,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:20:39,582 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2021-11-23 03:20:39,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:20:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2021-11-23 03:20:39,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 03:20:39,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:20:39,586 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:20:39,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:20:39,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:20:39,801 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:20:39,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:20:39,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1521015925, now seen corresponding path program 1 times [2021-11-23 03:20:39,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:20:39,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529080032] [2021-11-23 03:20:39,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:39,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:20:39,834 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:20:39,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1414850154] [2021-11-23 03:20:39,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:39,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:20:39,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:20:39,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:20:39,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:20:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:20:40,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:20:40,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:20:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:20:41,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:20:41,104 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:20:41,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529080032] [2021-11-23 03:20:41,104 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:20:41,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414850154] [2021-11-23 03:20:41,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414850154] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:20:41,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:20:41,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:20:41,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051865856] [2021-11-23 03:20:41,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:20:41,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:20:41,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:20:41,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:20:41,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:20:41,108 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:20:43,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:20:45,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:20:45,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:20:45,281 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2021-11-23 03:20:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:20:45,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2021-11-23 03:20:45,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:20:45,326 INFO L225 Difference]: With dead ends: 2207 [2021-11-23 03:20:45,326 INFO L226 Difference]: Without dead ends: 1114 [2021-11-23 03:20:45,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:20:45,334 INFO L933 BasicCegarLoop]: 2096 mSDtfsCounter, 1 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6284 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:20:45,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 6284 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-23 03:20:45,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2021-11-23 03:20:45,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2021-11-23 03:20:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2021-11-23 03:20:45,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2021-11-23 03:20:45,557 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2021-11-23 03:20:45,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:20:45,559 INFO L470 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2021-11-23 03:20:45,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:20:45,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2021-11-23 03:20:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 03:20:45,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:20:45,565 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:20:45,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:20:45,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:20:45,781 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:20:45,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:20:45,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1487083651, now seen corresponding path program 1 times [2021-11-23 03:20:45,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:20:45,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124490378] [2021-11-23 03:20:45,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:45,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:20:45,800 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:20:45,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1459853900] [2021-11-23 03:20:45,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:45,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:20:45,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:20:45,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:20:45,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6501b4-2155-40d6-9d3e-f96a6ebcfd67/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:20:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:20:51,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 03:20:51,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:20:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 03:20:52,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:20:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:20:52,298 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:20:52,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124490378] [2021-11-23 03:20:52,299 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:20:52,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459853900] [2021-11-23 03:20:52,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459853900] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:20:52,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1788815848] [2021-11-23 03:20:52,325 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-23 03:20:52,328 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:20:52,333 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:20:52,350 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:20:52,358 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:20:52,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,565 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 03:20:52,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-23 03:20:52,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 03:20:52,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 03:20:52,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:20:52,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:20:52,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,695 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:20:52,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-23 03:20:52,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,752 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:20:52,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-23 03:20:52,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 03:20:52,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 03:20:52,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:52,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 03:20:53,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 03:20:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-23 03:20:53,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-23 03:20:53,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 03:20:53,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2021-11-23 03:20:53,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 03:20:53,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 03:20:53,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 03:20:53,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 03:20:53,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 03:20:53,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 110 treesize of output 115 [2021-11-23 03:20:53,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,679 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 03:20:53,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 127 treesize of output 138 [2021-11-23 03:20:53,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:53,760 INFO L354 Elim1Store]: treesize reduction 200, result has 11.5 percent of original size [2021-11-23 03:20:53,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 126 treesize of output 132 [2021-11-23 03:20:53,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-23 03:20:53,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 03:20:53,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 03:20:53,941 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 03:20:53,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-23 03:20:53,969 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:20:53,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-23 03:20:53,995 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:20:53,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-23 03:20:54,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 03:20:54,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 03:20:54,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 03:20:54,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:20:54,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 78 treesize of output 30 [2021-11-23 03:20:54,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:20:54,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 78 treesize of output 30 [2021-11-23 03:20:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:20:54,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:54,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:21:01,314 WARN L227 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:21:01,315 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:21:01,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2851 treesize of output 2328 [2021-11-23 03:21:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:21:11,576 WARN L227 SmtUtils]: Spent 10.22s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:21:11,577 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:21:11,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2952 treesize of output 2670 [2021-11-23 03:21:22,876 WARN L227 SmtUtils]: Spent 11.15s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:21:22,877 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 03:21:22,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2920 treesize of output 2690 [2021-11-23 03:21:23,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:21:23,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:21:24,472 INFO L354 Elim1Store]: treesize reduction 156, result has 23.2 percent of original size [2021-11-23 03:21:24,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25958 treesize of output 25989 [2021-11-23 03:21:24,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:21:24,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:21:25,400 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 03:21:25,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 25968 treesize of output 25982 [2021-11-23 03:21:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:21:26,195 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 03:21:26,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:21:26,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:21:26,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:21:26,698 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:21:26,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 51 treesize of output 61