./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/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_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/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 64bit --witnessprinter.graph.data.programhash 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:08:26,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:08:26,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:08:26,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:08:26,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:08:26,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:08:26,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:08:26,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:08:26,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:08:26,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:08:26,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:08:26,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:08:26,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:08:26,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:08:26,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:08:26,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:08:26,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:08:26,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:08:26,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:08:26,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:08:26,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:08:26,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:08:26,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:08:26,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:08:26,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:08:26,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:08:26,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:08:26,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:08:26,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:08:26,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:08:26,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:08:26,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:08:26,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:08:26,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:08:26,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:08:26,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:08:26,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:08:26,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:08:26,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:08:26,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:08:26,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:08:26,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:08:26,554 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:08:26,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:08:26,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:08:26,556 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:08:26,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:08:26,557 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:08:26,557 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:08:26,557 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:08:26,558 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:08:26,558 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:08:26,558 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:08:26,559 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:08:26,559 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:08:26,559 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:08:26,559 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:08:26,560 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:08:26,560 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:08:26,560 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:08:26,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:08:26,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:08:26,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:08:26,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:08:26,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:08:26,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:08:26,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:08:26,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:08:26,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:08:26,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:08:26,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:08:26,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:08:26,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:08:26,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:08:26,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:08:26,565 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:08:26,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:08:26,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:08:26,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:08:26,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:08:26,567 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_2f007746-fc31-4159-ac5e-b3b08fa821e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2021-11-23 03:08:26,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:08:26,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:08:26,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:08:26,885 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:08:26,887 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:08:26,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-11-23 03:08:26,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/data/b6083383e/23f91bf6af5b4575866fa911ef82674c/FLAG608d83b2e [2021-11-23 03:08:28,121 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:08:28,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-11-23 03:08:28,190 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/data/b6083383e/23f91bf6af5b4575866fa911ef82674c/FLAG608d83b2e [2021-11-23 03:08:28,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/data/b6083383e/23f91bf6af5b4575866fa911ef82674c [2021-11-23 03:08:28,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:08:28,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:08:28,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:08:28,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:08:28,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:08:28,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:28" (1/1) ... [2021-11-23 03:08:28,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319bd136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:28, skipping insertion in model container [2021-11-23 03:08:28,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:28" (1/1) ... [2021-11-23 03:08:28,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:08:28,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:08:30,270 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_2f007746-fc31-4159-ac5e-b3b08fa821e1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-11-23 03:08:30,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:08:30,365 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:08:30,887 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_2f007746-fc31-4159-ac5e-b3b08fa821e1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-11-23 03:08:30,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:08:31,033 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:08:31,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31 WrapperNode [2021-11-23 03:08:31,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:08:31,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:08:31,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:08:31,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:08:31,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31" (1/1) ... [2021-11-23 03:08:31,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31" (1/1) ... [2021-11-23 03:08:31,263 INFO L137 Inliner]: procedures = 151, calls = 761, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1701 [2021-11-23 03:08:31,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:08:31,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:08:31,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:08:31,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:08:31,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31" (1/1) ... [2021-11-23 03:08:31,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31" (1/1) ... [2021-11-23 03:08:31,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31" (1/1) ... [2021-11-23 03:08:31,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31" (1/1) ... [2021-11-23 03:08:31,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31" (1/1) ... [2021-11-23 03:08:31,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31" (1/1) ... [2021-11-23 03:08:31,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31" (1/1) ... [2021-11-23 03:08:31,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:08:31,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:08:31,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:08:31,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:08:31,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31" (1/1) ... [2021-11-23 03:08:31,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:08:31,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:08:31,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:08:31,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:08:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2021-11-23 03:08:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2021-11-23 03:08:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2021-11-23 03:08:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2021-11-23 03:08:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:08:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:08:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:08:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:08:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:08:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:08:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:08:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:08:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2021-11-23 03:08:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2021-11-23 03:08:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2021-11-23 03:08:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2021-11-23 03:08:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:08:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:08:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:08:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:08:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 03:08:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 03:08:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 03:08:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 03:08:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:08:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:08:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-23 03:08:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-23 03:08:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:08:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:08:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:08:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 03:08:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 03:08:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2021-11-23 03:08:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2021-11-23 03:08:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:08:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:08:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2021-11-23 03:08:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2021-11-23 03:08:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 03:08:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 03:08:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 03:08:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 03:08:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:08:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 03:08:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 03:08:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-23 03:08:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-23 03:08:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2021-11-23 03:08:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2021-11-23 03:08:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:08:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2021-11-23 03:08:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2021-11-23 03:08:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-23 03:08:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-23 03:08:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:08:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:08:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2021-11-23 03:08:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2021-11-23 03:08:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 03:08:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 03:08:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2021-11-23 03:08:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2021-11-23 03:08:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:08:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2021-11-23 03:08:31,583 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2021-11-23 03:08:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 03:08:31,583 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 03:08:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:08:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:08:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2021-11-23 03:08:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2021-11-23 03:08:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:08:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:08:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2021-11-23 03:08:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2021-11-23 03:08:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 03:08:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 03:08:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:08:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2021-11-23 03:08:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2021-11-23 03:08:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:08:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:08:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:08:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2021-11-23 03:08:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2021-11-23 03:08:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2021-11-23 03:08:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2021-11-23 03:08:32,218 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:08:32,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:08:32,466 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:08:33,842 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:08:34,047 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:08:34,048 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 03:08:34,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:34 BoogieIcfgContainer [2021-11-23 03:08:34,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:08:34,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:08:34,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:08:34,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:08:34,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:08:28" (1/3) ... [2021-11-23 03:08:34,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a84fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:34, skipping insertion in model container [2021-11-23 03:08:34,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:31" (2/3) ... [2021-11-23 03:08:34,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a84fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:34, skipping insertion in model container [2021-11-23 03:08:34,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:34" (3/3) ... [2021-11-23 03:08:34,072 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-11-23 03:08:34,079 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:08:34,079 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:08:34,169 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:08:34,176 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 03:08:34,176 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:08:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 466 states, 297 states have (on average 1.3602693602693603) internal successors, (404), 308 states have internal predecessors, (404), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) [2021-11-23 03:08:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-23 03:08:34,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:34,249 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:08:34,249 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:08:34,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:34,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1594921071, now seen corresponding path program 1 times [2021-11-23 03:08:34,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:34,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971067440] [2021-11-23 03:08:34,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:34,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-11-23 03:08:35,173 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:35,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971067440] [2021-11-23 03:08:35,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971067440] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:08:35,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:08:35,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:08:35,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542026752] [2021-11-23 03:08:35,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:08:35,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:08:35,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:08:35,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:08:35,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:08:35,238 INFO L87 Difference]: Start difference. First operand has 466 states, 297 states have (on average 1.3602693602693603) internal successors, (404), 308 states have internal predecessors, (404), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-23 03:08:35,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:08:35,922 INFO L93 Difference]: Finished difference Result 1310 states and 1875 transitions. [2021-11-23 03:08:35,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:08:35,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2021-11-23 03:08:35,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:08:35,951 INFO L225 Difference]: With dead ends: 1310 [2021-11-23 03:08:35,951 INFO L226 Difference]: Without dead ends: 865 [2021-11-23 03:08:35,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 03:08:35,969 INFO L933 BasicCegarLoop]: 699 mSDtfsCounter, 582 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:08:35,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [582 Valid, 1283 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 03:08:35,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2021-11-23 03:08:36,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 862. [2021-11-23 03:08:36,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 562 states have (on average 1.3523131672597866) internal successors, (760), 571 states have internal predecessors, (760), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2021-11-23 03:08:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1226 transitions. [2021-11-23 03:08:36,142 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1226 transitions. Word has length 146 [2021-11-23 03:08:36,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:08:36,144 INFO L470 AbstractCegarLoop]: Abstraction has 862 states and 1226 transitions. [2021-11-23 03:08:36,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-23 03:08:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1226 transitions. [2021-11-23 03:08:36,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 03:08:36,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:36,153 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:08:36,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:08:36,153 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:08:36,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:36,154 INFO L85 PathProgramCache]: Analyzing trace with hash 162650200, now seen corresponding path program 1 times [2021-11-23 03:08:36,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:36,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964544602] [2021-11-23 03:08:36,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:36,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-11-23 03:08:36,407 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:36,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964544602] [2021-11-23 03:08:36,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964544602] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:08:36,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:08:36,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:08:36,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221861691] [2021-11-23 03:08:36,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:08:36,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:08:36,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:08:36,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:08:36,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:08:36,414 INFO L87 Difference]: Start difference. First operand 862 states and 1226 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-23 03:08:36,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:08:36,683 INFO L93 Difference]: Finished difference Result 1690 states and 2403 transitions. [2021-11-23 03:08:36,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:08:36,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2021-11-23 03:08:36,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:08:36,698 INFO L225 Difference]: With dead ends: 1690 [2021-11-23 03:08:36,699 INFO L226 Difference]: Without dead ends: 861 [2021-11-23 03:08:36,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 03:08:36,706 INFO L933 BasicCegarLoop]: 578 mSDtfsCounter, 646 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:08:36,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 578 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:08:36,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2021-11-23 03:08:36,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2021-11-23 03:08:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 561 states have (on average 1.3475935828877006) internal successors, (756), 570 states have internal predecessors, (756), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2021-11-23 03:08:36,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1222 transitions. [2021-11-23 03:08:36,862 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1222 transitions. Word has length 149 [2021-11-23 03:08:36,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:08:36,864 INFO L470 AbstractCegarLoop]: Abstraction has 861 states and 1222 transitions. [2021-11-23 03:08:36,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-23 03:08:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1222 transitions. [2021-11-23 03:08:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-23 03:08:36,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:36,874 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1] [2021-11-23 03:08:36,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:08:36,875 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:08:36,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:36,876 INFO L85 PathProgramCache]: Analyzing trace with hash -623583671, now seen corresponding path program 1 times [2021-11-23 03:08:36,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:36,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936180867] [2021-11-23 03:08:36,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:36,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2021-11-23 03:08:37,221 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:37,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936180867] [2021-11-23 03:08:37,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936180867] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:08:37,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:08:37,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:08:37,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116071234] [2021-11-23 03:08:37,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:08:37,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:08:37,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:08:37,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:08:37,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:08:37,228 INFO L87 Difference]: Start difference. First operand 861 states and 1222 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 03:08:37,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:08:37,606 INFO L93 Difference]: Finished difference Result 1406 states and 1972 transitions. [2021-11-23 03:08:37,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:08:37,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2021-11-23 03:08:37,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:08:37,627 INFO L225 Difference]: With dead ends: 1406 [2021-11-23 03:08:37,627 INFO L226 Difference]: Without dead ends: 1401 [2021-11-23 03:08:37,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 03:08:37,636 INFO L933 BasicCegarLoop]: 658 mSDtfsCounter, 384 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:08:37,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 1190 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 03:08:37,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2021-11-23 03:08:37,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1401. [2021-11-23 03:08:37,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1401 states, 922 states have (on average 1.356832971800434) internal successors, (1251), 933 states have internal predecessors, (1251), 359 states have call successors, (359), 120 states have call predecessors, (359), 119 states have return successors, (357), 355 states have call predecessors, (357), 357 states have call successors, (357) [2021-11-23 03:08:37,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1967 transitions. [2021-11-23 03:08:37,799 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1967 transitions. Word has length 191 [2021-11-23 03:08:37,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:08:37,804 INFO L470 AbstractCegarLoop]: Abstraction has 1401 states and 1967 transitions. [2021-11-23 03:08:37,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 03:08:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1967 transitions. [2021-11-23 03:08:37,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-23 03:08:37,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:37,823 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:08:37,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:08:37,824 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:08:37,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:37,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1607989660, now seen corresponding path program 1 times [2021-11-23 03:08:37,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:37,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000780954] [2021-11-23 03:08:37,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:37,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:38,287 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 03:08:38,290 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:38,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000780954] [2021-11-23 03:08:38,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000780954] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:08:38,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:08:38,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:08:38,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861527388] [2021-11-23 03:08:38,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:08:38,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:08:38,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:08:38,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:08:38,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:08:38,296 INFO L87 Difference]: Start difference. First operand 1401 states and 1967 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 03:08:39,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:08:39,334 INFO L93 Difference]: Finished difference Result 2261 states and 3224 transitions. [2021-11-23 03:08:39,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:08:39,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 207 [2021-11-23 03:08:39,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:08:39,357 INFO L225 Difference]: With dead ends: 2261 [2021-11-23 03:08:39,358 INFO L226 Difference]: Without dead ends: 2256 [2021-11-23 03:08:39,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:08:39,362 INFO L933 BasicCegarLoop]: 716 mSDtfsCounter, 675 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:08:39,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [752 Valid, 1489 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 03:08:39,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2021-11-23 03:08:39,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 1945. [2021-11-23 03:08:39,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1287 states have (on average 1.3613053613053614) internal successors, (1752), 1300 states have internal predecessors, (1752), 484 states have call successors, (484), 174 states have call predecessors, (484), 173 states have return successors, (482), 480 states have call predecessors, (482), 482 states have call successors, (482) [2021-11-23 03:08:39,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2718 transitions. [2021-11-23 03:08:39,537 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2718 transitions. Word has length 207 [2021-11-23 03:08:39,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:08:39,538 INFO L470 AbstractCegarLoop]: Abstraction has 1945 states and 2718 transitions. [2021-11-23 03:08:39,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 03:08:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2718 transitions. [2021-11-23 03:08:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-23 03:08:39,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:39,551 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 03:08:39,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:08:39,551 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:08:39,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:39,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1215248823, now seen corresponding path program 1 times [2021-11-23 03:08:39,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:39,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892217795] [2021-11-23 03:08:39,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:39,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2021-11-23 03:08:39,828 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:39,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892217795] [2021-11-23 03:08:39,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892217795] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:08:39,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919510681] [2021-11-23 03:08:39,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:39,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:39,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:08:39,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:08:39,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:08:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:40,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 1860 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 03:08:40,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:08:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2021-11-23 03:08:41,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:08:41,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919510681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:08:41,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:08:41,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-11-23 03:08:41,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432312940] [2021-11-23 03:08:41,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:08:41,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:08:41,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:08:41,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:08:41,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:08:41,413 INFO L87 Difference]: Start difference. First operand 1945 states and 2718 transitions. Second operand has 6 states, 4 states have (on average 19.0) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-23 03:08:42,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:08:42,203 INFO L93 Difference]: Finished difference Result 3896 states and 5467 transitions. [2021-11-23 03:08:42,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:08:42,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 19.0) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 218 [2021-11-23 03:08:42,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:08:42,222 INFO L225 Difference]: With dead ends: 3896 [2021-11-23 03:08:42,223 INFO L226 Difference]: Without dead ends: 1951 [2021-11-23 03:08:42,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:08:42,236 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 3 mSDsluCounter, 2504 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:08:42,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 2804 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 03:08:42,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2021-11-23 03:08:42,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1951. [2021-11-23 03:08:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1293 states have (on average 1.359628770301624) internal successors, (1758), 1306 states have internal predecessors, (1758), 484 states have call successors, (484), 174 states have call predecessors, (484), 173 states have return successors, (482), 480 states have call predecessors, (482), 482 states have call successors, (482) [2021-11-23 03:08:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2724 transitions. [2021-11-23 03:08:42,448 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2724 transitions. Word has length 218 [2021-11-23 03:08:42,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:08:42,448 INFO L470 AbstractCegarLoop]: Abstraction has 1951 states and 2724 transitions. [2021-11-23 03:08:42,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 19.0) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-23 03:08:42,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2724 transitions. [2021-11-23 03:08:42,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-23 03:08:42,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:42,465 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 03:08:42,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:08:42,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:42,692 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:08:42,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:42,693 INFO L85 PathProgramCache]: Analyzing trace with hash 20908708, now seen corresponding path program 1 times [2021-11-23 03:08:42,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:42,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719993564] [2021-11-23 03:08:42,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:42,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2021-11-23 03:08:43,234 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:43,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719993564] [2021-11-23 03:08:43,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719993564] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:08:43,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832886566] [2021-11-23 03:08:43,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:43,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:43,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:08:43,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:08:43,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:08:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:45,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 1926 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 03:08:45,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:08:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 277 proven. 1 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2021-11-23 03:08:45,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:08:46,925 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2021-11-23 03:08:46,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832886566] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:08:46,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1240209308] [2021-11-23 03:08:46,955 INFO L159 IcfgInterpreter]: Started Sifa with 92 locations of interest [2021-11-23 03:08:46,956 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:08:46,962 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:08:46,969 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:08:46,970 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:08:49,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:49,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:49,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:49,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:49,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:49,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:49,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:49,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:49,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:49,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:49,245 INFO L244 Elim1Store]: Index analysis took 938 ms [2021-11-23 03:10:52,942 WARN L227 SmtUtils]: Spent 2.06m on a formula simplification. DAG size of input: 3334 DAG size of output: 1260 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:10:52,954 INFO L354 Elim1Store]: treesize reduction 22106, result has 12.1 percent of original size [2021-11-23 03:10:52,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 77 select indices, 77 select index equivalence classes, 2948 disjoint index pairs (out of 2926 index pairs), introduced 77 new quantified variables, introduced 86 case distinctions, treesize of input 422 treesize of output 3270 [2021-11-23 03:10:58,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:11:01,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:11:05,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:11:07,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:11:09,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:11:11,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:11:13,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:11:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:11:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:11:16,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:11:17,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:11:17,505 INFO L244 Elim1Store]: Index analysis took 20005 ms [2021-11-23 03:15:35,372 WARN L227 SmtUtils]: Spent 4.30m on a formula simplification. DAG size of input: 4966 DAG size of output: 2010 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:15:35,383 INFO L354 Elim1Store]: treesize reduction 28488, result has 11.7 percent of original size [2021-11-23 03:15:35,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 89 select indices, 89 select index equivalence classes, 3025 disjoint index pairs (out of 3916 index pairs), introduced 89 new quantified variables, introduced 987 case distinctions, treesize of input 702 treesize of output 4277 [2021-11-23 03:15:40,137 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 84 [2021-11-23 03:15:40,423 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 84 [2021-11-23 03:15:40,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 03:15:40,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-23 03:15:40,742 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 7 treesize of output 6 [2021-11-23 03:15:40,841 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 84 [2021-11-23 03:15:41,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:41,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:41,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:41,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:41,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:41,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:41,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:42,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:42,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:42,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:42,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:42,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:42,460 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 03:15:42,464 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 03:15:42,470 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 03:15:42,508 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:15:42,509 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 98 treesize of output 97 [2021-11-23 03:15:42,533 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-23 03:15:42,534 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 94 treesize of output 93 [2021-11-23 03:15:42,556 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:15:42,556 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 90 treesize of output 89 [2021-11-23 03:15:42,578 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 03:15:42,584 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 03:15:42,591 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 03:15:42,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:42,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:47,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:47,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:48,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:48,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:49,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:49,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:49,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:49,816 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:49,823 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:49,827 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:50,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:50,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:50,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:51,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:51,008 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:51,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:52,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:52,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:52,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:52,943 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:52,945 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:52,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:54,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:54,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:54,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:54,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:54,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:54,426 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:56,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:56,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:56,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:56,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:56,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:56,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:57,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:57,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:57,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:57,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:57,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:57,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:58,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:58,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:58,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:58,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:58,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:58,123 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:58,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:58,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:15:58,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:15:58,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:58,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:58,656 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:00,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:00,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:00,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:00,385 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:00,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:00,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:00,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:00,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:00,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:00,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:00,936 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:00,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:01,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:01,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:01,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:01,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:01,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:01,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:02,320 INFO L354 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2021-11-23 03:16:02,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 38 [2021-11-23 03:16:02,460 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-23 03:16:02,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 60 treesize of output 57 [2021-11-23 03:16:03,814 INFO L354 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2021-11-23 03:16:03,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 33 [2021-11-23 03:16:05,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:05,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:05,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:05,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:05,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:05,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:06,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:06,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:06,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:06,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:06,854 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:06,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:07,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:07,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:07,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:07,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:07,589 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:07,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:09,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:09,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:09,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:09,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:09,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:09,719 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:10,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:10,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:10,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:10,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:10,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:10,285 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:11,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:11,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:11,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:11,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:11,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:11,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:11,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:11,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:11,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:11,981 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:11,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:11,988 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:13,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:13,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:13,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:13,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:13,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:13,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:14,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:14,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:14,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:14,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:14,289 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:14,292 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:15,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:15,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:15,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:15,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:15,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:15,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:15,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:15,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:15,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:15,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:15,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:15,813 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:17,261 INFO L354 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2021-11-23 03:16:17,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 38 [2021-11-23 03:16:17,394 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-23 03:16:17,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 60 treesize of output 57 [2021-11-23 03:16:18,612 INFO L354 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2021-11-23 03:16:18,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 33 [2021-11-23 03:16:20,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:20,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:20,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:20,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:20,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:20,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:20,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:20,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:20,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:20,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:20,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:20,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:21,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:21,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:22,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:22,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:22,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:22,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:23,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:23,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:23,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:23,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:23,190 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:23,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:23,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:23,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:23,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:23,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:23,734 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:23,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:25,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:25,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:25,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:25,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:25,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:25,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:25,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:25,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:25,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:25,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:25,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:25,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:26,928 INFO L354 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2021-11-23 03:16:26,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 38 [2021-11-23 03:16:27,071 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-23 03:16:27,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 60 treesize of output 57 [2021-11-23 03:16:28,299 INFO L354 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2021-11-23 03:16:28,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 33 [2021-11-23 03:16:29,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:29,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:29,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:30,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:30,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:30,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:31,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:31,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:31,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:31,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:31,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:31,382 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:32,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:32,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:32,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:32,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:32,156 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:32,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:33,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:33,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:33,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:33,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:33,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:34,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:34,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:34,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:34,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:34,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:34,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:34,914 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:35,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:35,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:35,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:35,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:35,503 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:35,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:36,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:36,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:36,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:36,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:36,818 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:36,823 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:37,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:37,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:37,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:37,228 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:37,232 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:37,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:16:37,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:37,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:37,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:37,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-23 03:16:37,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:37,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-23 03:16:40,773 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 84 [2021-11-23 03:16:41,005 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 84 [2021-11-23 03:16:41,217 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 75 for LOIs [2021-11-23 03:16:41,414 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 58 for LOIs [2021-11-23 03:16:41,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-23 03:16:41,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 03:16:41,682 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 77 for LOIs [2021-11-23 03:16:41,693 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 79 for LOIs [2021-11-23 03:16:41,719 INFO L197 IcfgInterpreter]: Interpreting procedure kzalloc with input of size 72 for LOIs [2021-11-23 03:16:41,994 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 84 for LOIs [2021-11-23 03:16:42,187 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 03:16:42,204 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 03:16:42,217 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 03:16:42,236 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 53 for LOIs [2021-11-23 03:16:42,244 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 69 for LOIs [2021-11-23 03:16:42,307 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:17:41,882 WARN L227 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 211 DAG size of output: 200 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 03:17:54,665 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '28431#(and (<= |~#md_ls_ops~0.offset| 0) (<= 0 ~ldv_state_variable_2~0) (<= 1 ~ldv_module_refcounter~0) (<= 0 |#NULL.base|) (<= ~LDV_IN_INTERRUPT~0 1) (<= 0 ~ldv_retval_0~0) (<= 76 |~#md_ls_ops~0.base|) (<= 0 |~#md_ls_ops~0.offset|) (<= ~ldv_retval_0~0 0) (<= |~#cluster_ops~0.base| 77) (<= ~md_ls_ops_group0~0.offset 0) (<= 0 |~#cluster_ops~0.offset|) (<= 1 ~LDV_IN_INTERRUPT~0) (<= 77 |~#cluster_ops~0.base|) (not (= ~ldv_module_refcounter~0 1)) (<= |#NULL.offset| 0) (<= |~#cluster_ops~0.offset| 0) (<= 0 ~cluster_ops_group0~0.offset) (<= 0 ~ldv_state_variable_1~0) (= ~ldv_state_variable_0~0 2) (= ~ref_cnt~0 0) (<= |#NULL.base| 0) (<= ~cluster_ops_group1~0.offset 0) (<= 0 ~cluster_ops_group1~0.offset) (<= 0 |#NULL.offset|) (<= |~#md_ls_ops~0.base| 76) (<= 0 |#StackHeapBarrier|) (<= ~cluster_ops_group0~0.offset 0) (<= 0 ~md_ls_ops_group0~0.offset))' at error location [2021-11-23 03:17:54,665 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 03:17:54,665 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 03:17:54,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-23 03:17:54,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593532255] [2021-11-23 03:17:54,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 03:17:54,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 03:17:54,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:17:54,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 03:17:54,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=7787, Unknown=0, NotChecked=0, Total=8190 [2021-11-23 03:17:54,674 INFO L87 Difference]: Start difference. First operand 1951 states and 2724 transitions. Second operand has 13 states, 9 states have (on average 10.11111111111111) internal successors, (91), 13 states have internal predecessors, (91), 4 states have call successors, (42), 2 states have call predecessors, (42), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2021-11-23 03:17:56,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:56,220 INFO L93 Difference]: Finished difference Result 3922 states and 5498 transitions. [2021-11-23 03:17:56,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 03:17:56,221 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 10.11111111111111) internal successors, (91), 13 states have internal predecessors, (91), 4 states have call successors, (42), 2 states have call predecessors, (42), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 229 [2021-11-23 03:17:56,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:56,239 INFO L225 Difference]: With dead ends: 3922 [2021-11-23 03:17:56,239 INFO L226 Difference]: Without dead ends: 1974 [2021-11-23 03:17:56,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3206 ImplicationChecksByTransitivity, 72.8s TimeCoverageRelationStatistics Valid=454, Invalid=9052, Unknown=0, NotChecked=0, Total=9506 [2021-11-23 03:17:56,254 INFO L933 BasicCegarLoop]: 561 mSDtfsCounter, 15 mSDsluCounter, 4968 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4993 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:56,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 4993 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 03:17:56,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2021-11-23 03:17:56,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1974. [2021-11-23 03:17:56,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1974 states, 1310 states have (on average 1.3572519083969465) internal successors, (1778), 1323 states have internal predecessors, (1778), 486 states have call successors, (486), 178 states have call predecessors, (486), 177 states have return successors, (484), 482 states have call predecessors, (484), 484 states have call successors, (484) [2021-11-23 03:17:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 2748 transitions. [2021-11-23 03:17:56,397 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 2748 transitions. Word has length 229 [2021-11-23 03:17:56,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:56,400 INFO L470 AbstractCegarLoop]: Abstraction has 1974 states and 2748 transitions. [2021-11-23 03:17:56,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 10.11111111111111) internal successors, (91), 13 states have internal predecessors, (91), 4 states have call successors, (42), 2 states have call predecessors, (42), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2021-11-23 03:17:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2748 transitions. [2021-11-23 03:17:56,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-23 03:17:56,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:56,414 INFO L514 BasicCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 03:17:56,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:17:56,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:17:56,640 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:17:56,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:56,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1779853452, now seen corresponding path program 2 times [2021-11-23 03:17:56,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:17:56,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041128196] [2021-11-23 03:17:56,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:56,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:17:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 985 backedges. 10 proven. 120 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2021-11-23 03:17:57,108 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:17:57,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041128196] [2021-11-23 03:17:57,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041128196] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:17:57,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102081779] [2021-11-23 03:17:57,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 03:17:57,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:17:57,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:17:57,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:17:57,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f007746-fc31-4159-ac5e-b3b08fa821e1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:17:58,801 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-23 03:17:58,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 03:17:58,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 03:17:58,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 985 backedges. 217 proven. 3 refuted. 0 times theorem prover too weak. 765 trivial. 0 not checked. [2021-11-23 03:17:59,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:18:00,107 INFO L134 CoverageAnalysis]: Checked inductivity of 985 backedges. 127 proven. 3 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2021-11-23 03:18:00,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102081779] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:18:00,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [624220452] [2021-11-23 03:18:00,113 INFO L159 IcfgInterpreter]: Started Sifa with 92 locations of interest [2021-11-23 03:18:00,113 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:18:00,114 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:18:00,114 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:18:00,115 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:18:01,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:18:01,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:18:01,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:18:01,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:18:01,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:18:01,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:18:01,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:18:01,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:18:01,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:18:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:18:01,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:18:01,733 INFO L244 Elim1Store]: Index analysis took 895 ms [2021-11-23 03:20:19,750 WARN L227 SmtUtils]: Spent 2.30m on a formula simplification. DAG size of input: 3334 DAG size of output: 1260 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:20:19,756 INFO L354 Elim1Store]: treesize reduction 22106, result has 12.1 percent of original size [2021-11-23 03:20:19,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 77 select indices, 77 select index equivalence classes, 2948 disjoint index pairs (out of 2926 index pairs), introduced 77 new quantified variables, introduced 86 case distinctions, treesize of input 422 treesize of output 3270 [2021-11-23 03:20:26,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:28,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:33,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:35,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:39,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:20:41,733 INFO L190 IndexEqualityManager]: detected not equals via solver