./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-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS --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 d256a8b259faad28b260c065eb5db63197c2a9358a88ea40fe4f65cbd4165ef2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:21:01,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:21:01,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:21:01,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:21:01,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:21:01,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:21:01,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:21:01,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:21:01,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:21:01,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:21:01,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:21:01,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:21:01,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:21:01,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:21:01,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:21:01,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:21:01,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:21:01,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:21:01,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:21:01,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:21:01,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:21:01,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:21:01,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:21:01,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:21:01,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:21:01,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:21:01,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:21:01,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:21:01,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:21:01,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:21:01,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:21:01,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:21:01,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:21:01,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:21:01,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:21:01,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:21:01,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:21:01,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:21:01,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:21:01,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:21:01,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:21:01,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:21:01,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:21:01,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:21:01,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:21:01,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:21:01,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:21:01,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:21:01,553 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:21:01,553 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:21:01,553 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:21:01,553 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:21:01,554 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:21:01,555 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:21:01,555 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:21:01,555 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:21:01,555 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:21:01,556 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:21:01,556 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:21:01,556 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:21:01,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:21:01,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:21:01,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:21:01,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:21:01,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:21:01,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:21:01,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:21:01,559 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:21:01,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:21:01,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:21:01,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:21:01,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:01,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:21:01,561 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:21:01,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:21:01,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:21:01,562 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:21:01,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:21:01,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:21:01,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:21:01,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d256a8b259faad28b260c065eb5db63197c2a9358a88ea40fe4f65cbd4165ef2 [2022-11-19 08:21:01,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:21:01,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:21:01,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:21:01,966 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:21:01,967 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:21:01,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-19 08:21:02,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/data/1add144d3/09b8e838bfdc4181ba4fd6f2c9d998fc/FLAG1eb44b12d [2022-11-19 08:21:02,936 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:21:02,936 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-19 08:21:02,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/data/1add144d3/09b8e838bfdc4181ba4fd6f2c9d998fc/FLAG1eb44b12d [2022-11-19 08:21:03,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/data/1add144d3/09b8e838bfdc4181ba4fd6f2c9d998fc [2022-11-19 08:21:03,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:21:03,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:21:03,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:03,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:21:03,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:21:03,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:03" (1/1) ... [2022-11-19 08:21:03,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8abc15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:03, skipping insertion in model container [2022-11-19 08:21:03,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:03" (1/1) ... [2022-11-19 08:21:03,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:21:03,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:21:05,090 WARN L234 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_c47c914e-22a8-46ab-85b5-fd590851a004/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i[159905,159918] [2022-11-19 08:21:05,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:05,317 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:21:05,600 WARN L234 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_c47c914e-22a8-46ab-85b5-fd590851a004/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i[159905,159918] [2022-11-19 08:21:05,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:05,687 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:21:05,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05 WrapperNode [2022-11-19 08:21:05,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:05,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:05,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:21:05,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:21:05,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (1/1) ... [2022-11-19 08:21:05,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (1/1) ... [2022-11-19 08:21:05,944 INFO L138 Inliner]: procedures = 259, calls = 1110, calls flagged for inlining = 115, calls inlined = 111, statements flattened = 2796 [2022-11-19 08:21:05,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:05,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:21:05,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:21:05,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:21:05,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (1/1) ... [2022-11-19 08:21:05,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (1/1) ... [2022-11-19 08:21:05,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (1/1) ... [2022-11-19 08:21:05,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (1/1) ... [2022-11-19 08:21:06,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (1/1) ... [2022-11-19 08:21:06,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (1/1) ... [2022-11-19 08:21:06,120 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (1/1) ... [2022-11-19 08:21:06,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (1/1) ... [2022-11-19 08:21:06,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:21:06,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:21:06,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:21:06,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:21:06,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (1/1) ... [2022-11-19 08:21:06,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:06,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:21:06,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:21:06,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:21:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:21:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:21:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:21:06,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:21:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_create [2022-11-19 08:21:06,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_create [2022-11-19 08:21:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:21:06,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:21:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-19 08:21:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-19 08:21:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:21:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:21:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 08:21:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 08:21:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_event [2022-11-19 08:21:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_event [2022-11-19 08:21:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:21:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:21:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_packet [2022-11-19 08:21:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_packet [2022-11-19 08:21:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:21:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:21:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:21:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:21:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:21:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:21:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 08:21:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 08:21:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_notify_readers [2022-11-19 08:21:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_notify_readers [2022-11-19 08:21:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:21:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:21:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:21:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 08:21:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 08:21:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_close_device [2022-11-19 08:21:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_close_device [2022-11-19 08:21:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:21:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_fasync [2022-11-19 08:21:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_fasync [2022-11-19 08:21:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-19 08:21:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-19 08:21:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mousedev [2022-11-19 08:21:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mousedev [2022-11-19 08:21:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_poll [2022-11-19 08:21:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_poll [2022-11-19 08:21:06,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:21:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:21:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-19 08:21:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-19 08:21:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2022-11-19 08:21:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2022-11-19 08:21:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:21:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_destroy [2022-11-19 08:21:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_destroy [2022-11-19 08:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2022-11-19 08:21:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2022-11-19 08:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-11-19 08:21:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-11-19 08:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-19 08:21:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-19 08:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_limit_delta [2022-11-19 08:21:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_limit_delta [2022-11-19 08:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 08:21:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 08:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 08:21:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 08:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 08:21:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 08:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_key_event [2022-11-19 08:21:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_key_event [2022-11-19 08:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:21:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:21:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-11-19 08:21:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-11-19 08:21:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:21:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:21:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-19 08:21:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-19 08:21:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:21:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2022-11-19 08:21:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2022-11-19 08:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure input_close_device [2022-11-19 08:21:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure input_close_device [2022-11-19 08:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-19 08:21:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-19 08:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-19 08:21:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-19 08:21:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 08:21:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 08:21:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_new_minor [2022-11-19 08:21:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_new_minor [2022-11-19 08:21:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:21:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 08:21:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 08:21:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:21:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_write [2022-11-19 08:21:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_write [2022-11-19 08:21:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 08:21:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 08:21:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handle [2022-11-19 08:21:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handle [2022-11-19 08:21:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-19 08:21:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-19 08:21:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:21:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mousedev [2022-11-19 08:21:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mousedev [2022-11-19 08:21:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-19 08:21:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-19 08:21:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_detach_client [2022-11-19 08:21:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_detach_client [2022-11-19 08:21:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2022-11-19 08:21:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2022-11-19 08:21:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-19 08:21:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-19 08:21:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-19 08:21:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-19 08:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_minor [2022-11-19 08:21:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_minor [2022-11-19 08:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_cleanup [2022-11-19 08:21:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_cleanup [2022-11-19 08:21:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open_device [2022-11-19 08:21:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open_device [2022-11-19 08:21:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_disconnect [2022-11-19 08:21:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_disconnect [2022-11-19 08:21:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2022-11-19 08:21:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2022-11-19 08:21:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 08:21:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 08:21:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:21:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:21:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:21:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:21:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:21:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 08:21:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 08:21:06,923 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:21:06,926 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:21:07,302 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:21:11,832 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:21:12,990 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:21:12,990 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:21:12,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:12 BoogieIcfgContainer [2022-11-19 08:21:12,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:21:12,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:21:12,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:21:13,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:21:13,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:21:03" (1/3) ... [2022-11-19 08:21:13,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20604622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:13, skipping insertion in model container [2022-11-19 08:21:13,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:05" (2/3) ... [2022-11-19 08:21:13,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20604622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:13, skipping insertion in model container [2022-11-19 08:21:13,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:12" (3/3) ... [2022-11-19 08:21:13,015 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-19 08:21:13,042 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:21:13,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:21:13,125 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:21:13,137 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@136290d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:21:13,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:21:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 655 states, 396 states have (on average 1.3611111111111112) internal successors, (539), 428 states have internal predecessors, (539), 195 states have call successors, (195), 63 states have call predecessors, (195), 62 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) [2022-11-19 08:21:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-19 08:21:13,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:13,176 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:13,177 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:13,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:13,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1868737372, now seen corresponding path program 1 times [2022-11-19 08:21:13,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:13,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573668258] [2022-11-19 08:21:13,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:13,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-19 08:21:14,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:14,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573668258] [2022-11-19 08:21:14,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573668258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:14,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:14,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:21:14,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27185516] [2022-11-19 08:21:14,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:14,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:21:14,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:14,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:21:14,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:21:14,210 INFO L87 Difference]: Start difference. First operand has 655 states, 396 states have (on average 1.3611111111111112) internal successors, (539), 428 states have internal predecessors, (539), 195 states have call successors, (195), 63 states have call predecessors, (195), 62 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-19 08:21:16,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:21:18,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:21:21,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:21:22,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:22,665 INFO L93 Difference]: Finished difference Result 1689 states and 2423 transitions. [2022-11-19 08:21:22,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:21:22,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 192 [2022-11-19 08:21:22,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:22,713 INFO L225 Difference]: With dead ends: 1689 [2022-11-19 08:21:22,713 INFO L226 Difference]: Without dead ends: 1060 [2022-11-19 08:21:22,724 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:21:22,727 INFO L413 NwaCegarLoop]: 909 mSDtfsCounter, 560 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:22,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 1678 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 279 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-11-19 08:21:22,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2022-11-19 08:21:22,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1045. [2022-11-19 08:21:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 635 states have (on average 1.337007874015748) internal successors, (849), 674 states have internal predecessors, (849), 301 states have call successors, (301), 109 states have call predecessors, (301), 108 states have return successors, (296), 289 states have call predecessors, (296), 294 states have call successors, (296) [2022-11-19 08:21:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1446 transitions. [2022-11-19 08:21:22,886 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1446 transitions. Word has length 192 [2022-11-19 08:21:22,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:22,888 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 1446 transitions. [2022-11-19 08:21:22,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-19 08:21:22,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1446 transitions. [2022-11-19 08:21:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-19 08:21:22,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:22,894 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:22,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:21:22,895 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:22,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:22,896 INFO L85 PathProgramCache]: Analyzing trace with hash 622158684, now seen corresponding path program 1 times [2022-11-19 08:21:22,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:22,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313020072] [2022-11-19 08:21:22,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:22,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-19 08:21:23,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:23,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313020072] [2022-11-19 08:21:23,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313020072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:23,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:23,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:21:23,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726128194] [2022-11-19 08:21:23,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:23,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:21:23,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:23,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:21:23,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:21:23,542 INFO L87 Difference]: Start difference. First operand 1045 states and 1446 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-19 08:21:25,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:21:29,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:21:32,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:32,751 INFO L93 Difference]: Finished difference Result 2956 states and 4082 transitions. [2022-11-19 08:21:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:21:32,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 193 [2022-11-19 08:21:32,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:32,767 INFO L225 Difference]: With dead ends: 2956 [2022-11-19 08:21:32,767 INFO L226 Difference]: Without dead ends: 1950 [2022-11-19 08:21:32,772 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:21:32,773 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 822 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:32,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 1904 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 310 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2022-11-19 08:21:32,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2022-11-19 08:21:32,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1945. [2022-11-19 08:21:32,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1190 states have (on average 1.3386554621848739) internal successors, (1593), 1257 states have internal predecessors, (1593), 546 states have call successors, (546), 209 states have call predecessors, (546), 208 states have return successors, (543), 530 states have call predecessors, (543), 539 states have call successors, (543) [2022-11-19 08:21:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2682 transitions. [2022-11-19 08:21:32,899 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2682 transitions. Word has length 193 [2022-11-19 08:21:32,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:32,900 INFO L495 AbstractCegarLoop]: Abstraction has 1945 states and 2682 transitions. [2022-11-19 08:21:32,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-19 08:21:32,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2682 transitions. [2022-11-19 08:21:32,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-19 08:21:32,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:32,904 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:32,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:21:32,904 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:32,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:32,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1382367586, now seen corresponding path program 1 times [2022-11-19 08:21:32,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:32,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799822767] [2022-11-19 08:21:32,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:33,310 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-19 08:21:33,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:33,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799822767] [2022-11-19 08:21:33,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799822767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:33,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:33,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:21:33,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104711196] [2022-11-19 08:21:33,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:33,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:21:33,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:33,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:21:33,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:21:33,315 INFO L87 Difference]: Start difference. First operand 1945 states and 2682 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 08:21:35,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:21:40,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:21:41,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:41,019 INFO L93 Difference]: Finished difference Result 4827 states and 6621 transitions. [2022-11-19 08:21:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:21:41,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 213 [2022-11-19 08:21:41,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:41,042 INFO L225 Difference]: With dead ends: 4827 [2022-11-19 08:21:41,042 INFO L226 Difference]: Without dead ends: 2921 [2022-11-19 08:21:41,051 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:21:41,056 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 581 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:41,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1619 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 286 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-11-19 08:21:41,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2022-11-19 08:21:41,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2896. [2022-11-19 08:21:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2896 states, 1769 states have (on average 1.3403052572074619) internal successors, (2371), 1870 states have internal predecessors, (2371), 794 states have call successors, (794), 343 states have call predecessors, (794), 332 states have return successors, (799), 756 states have call predecessors, (799), 787 states have call successors, (799) [2022-11-19 08:21:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 3964 transitions. [2022-11-19 08:21:41,234 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 3964 transitions. Word has length 213 [2022-11-19 08:21:41,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:41,239 INFO L495 AbstractCegarLoop]: Abstraction has 2896 states and 3964 transitions. [2022-11-19 08:21:41,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 08:21:41,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3964 transitions. [2022-11-19 08:21:41,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-19 08:21:41,246 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:41,246 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:41,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:21:41,247 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:41,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:41,247 INFO L85 PathProgramCache]: Analyzing trace with hash -133391451, now seen corresponding path program 1 times [2022-11-19 08:21:41,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:41,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724632822] [2022-11-19 08:21:41,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:41,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-19 08:21:42,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:42,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724632822] [2022-11-19 08:21:42,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724632822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:42,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:42,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:21:42,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895042931] [2022-11-19 08:21:42,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:42,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:21:42,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:42,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:21:42,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:21:42,278 INFO L87 Difference]: Start difference. First operand 2896 states and 3964 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 08:21:44,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:21:51,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:21:53,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:53,292 INFO L93 Difference]: Finished difference Result 8135 states and 11214 transitions. [2022-11-19 08:21:53,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:21:53,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 217 [2022-11-19 08:21:53,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:53,326 INFO L225 Difference]: With dead ends: 8135 [2022-11-19 08:21:53,326 INFO L226 Difference]: Without dead ends: 5277 [2022-11-19 08:21:53,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:21:53,344 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1151 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 1263 mSolverCounterSat, 519 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1263 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:53,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1284 Valid, 1097 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1263 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2022-11-19 08:21:53,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5277 states. [2022-11-19 08:21:53,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5277 to 5228. [2022-11-19 08:21:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5228 states, 3242 states have (on average 1.3470080197409007) internal successors, (4367), 3437 states have internal predecessors, (4367), 1397 states have call successors, (1397), 631 states have call predecessors, (1397), 588 states have return successors, (1438), 1277 states have call predecessors, (1438), 1386 states have call successors, (1438) [2022-11-19 08:21:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 7202 transitions. [2022-11-19 08:21:53,725 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 7202 transitions. Word has length 217 [2022-11-19 08:21:53,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:53,726 INFO L495 AbstractCegarLoop]: Abstraction has 5228 states and 7202 transitions. [2022-11-19 08:21:53,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 08:21:53,726 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 7202 transitions. [2022-11-19 08:21:53,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-19 08:21:53,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:53,731 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:53,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:21:53,731 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:53,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:53,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1747375826, now seen corresponding path program 1 times [2022-11-19 08:21:53,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:53,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964371045] [2022-11-19 08:21:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:53,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-19 08:21:54,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:54,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964371045] [2022-11-19 08:21:54,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964371045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:54,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:54,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:21:54,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899860116] [2022-11-19 08:21:54,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:54,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:21:54,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:54,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:21:54,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:21:54,100 INFO L87 Difference]: Start difference. First operand 5228 states and 7202 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 08:21:56,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:21:59,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:00,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:00,272 INFO L93 Difference]: Finished difference Result 5316 states and 7307 transitions. [2022-11-19 08:22:00,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:00,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 218 [2022-11-19 08:22:00,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:00,302 INFO L225 Difference]: With dead ends: 5316 [2022-11-19 08:22:00,302 INFO L226 Difference]: Without dead ends: 5313 [2022-11-19 08:22:00,305 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:22:00,306 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 850 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:00,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 825 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-11-19 08:22:00,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5313 states. [2022-11-19 08:22:00,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5313 to 5313. [2022-11-19 08:22:00,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5313 states, 3292 states have (on average 1.3441676792223571) internal successors, (4425), 3488 states have internal predecessors, (4425), 1416 states have call successors, (1416), 645 states have call predecessors, (1416), 604 states have return successors, (1462), 1297 states have call predecessors, (1462), 1406 states have call successors, (1462) [2022-11-19 08:22:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5313 states to 5313 states and 7303 transitions. [2022-11-19 08:22:00,721 INFO L78 Accepts]: Start accepts. Automaton has 5313 states and 7303 transitions. Word has length 218 [2022-11-19 08:22:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:00,722 INFO L495 AbstractCegarLoop]: Abstraction has 5313 states and 7303 transitions. [2022-11-19 08:22:00,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 08:22:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 5313 states and 7303 transitions. [2022-11-19 08:22:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-19 08:22:00,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:00,726 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:00,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:22:00,727 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:22:00,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:00,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1665672075, now seen corresponding path program 1 times [2022-11-19 08:22:00,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:00,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620995382] [2022-11-19 08:22:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:00,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-19 08:22:01,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:01,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620995382] [2022-11-19 08:22:01,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620995382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:01,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:01,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:22:01,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253172828] [2022-11-19 08:22:01,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:01,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:01,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:01,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:01,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:01,070 INFO L87 Difference]: Start difference. First operand 5313 states and 7303 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 08:22:03,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:05,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:06,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:22:08,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:08,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:08,823 INFO L93 Difference]: Finished difference Result 5315 states and 7304 transitions. [2022-11-19 08:22:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:08,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 219 [2022-11-19 08:22:08,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:08,853 INFO L225 Difference]: With dead ends: 5315 [2022-11-19 08:22:08,853 INFO L226 Difference]: Without dead ends: 5312 [2022-11-19 08:22:08,857 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:22:08,858 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 847 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:08,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 823 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-11-19 08:22:08,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5312 states. [2022-11-19 08:22:09,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5312 to 5312. [2022-11-19 08:22:09,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5312 states, 3292 states have (on average 1.3435601458080195) internal successors, (4423), 3487 states have internal predecessors, (4423), 1415 states have call successors, (1415), 645 states have call predecessors, (1415), 604 states have return successors, (1462), 1297 states have call predecessors, (1462), 1406 states have call successors, (1462) [2022-11-19 08:22:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5312 states to 5312 states and 7300 transitions. [2022-11-19 08:22:09,296 INFO L78 Accepts]: Start accepts. Automaton has 5312 states and 7300 transitions. Word has length 219 [2022-11-19 08:22:09,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:09,297 INFO L495 AbstractCegarLoop]: Abstraction has 5312 states and 7300 transitions. [2022-11-19 08:22:09,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 08:22:09,298 INFO L276 IsEmpty]: Start isEmpty. Operand 5312 states and 7300 transitions. [2022-11-19 08:22:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-19 08:22:09,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:09,302 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:09,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:22:09,303 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:22:09,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:09,303 INFO L85 PathProgramCache]: Analyzing trace with hash 95979473, now seen corresponding path program 1 times [2022-11-19 08:22:09,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:09,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200312597] [2022-11-19 08:22:09,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:09,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-19 08:22:09,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:09,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200312597] [2022-11-19 08:22:09,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200312597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:09,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:09,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:22:09,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530944051] [2022-11-19 08:22:09,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:09,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:09,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:09,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:09,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:09,638 INFO L87 Difference]: Start difference. First operand 5312 states and 7300 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 08:22:11,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:13,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:15,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:15,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:15,271 INFO L93 Difference]: Finished difference Result 5314 states and 7301 transitions. [2022-11-19 08:22:15,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:15,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 220 [2022-11-19 08:22:15,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:15,301 INFO L225 Difference]: With dead ends: 5314 [2022-11-19 08:22:15,301 INFO L226 Difference]: Without dead ends: 5277 [2022-11-19 08:22:15,306 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:22:15,306 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 845 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:15,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 770 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-19 08:22:15,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5277 states. [2022-11-19 08:22:15,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5277 to 5275. [2022-11-19 08:22:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5275 states, 3271 states have (on average 1.342708651788444) internal successors, (4392), 3465 states have internal predecessors, (4392), 1406 states have call successors, (1406), 639 states have call predecessors, (1406), 597 states have return successors, (1442), 1287 states have call predecessors, (1442), 1386 states have call successors, (1442) [2022-11-19 08:22:15,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5275 states to 5275 states and 7240 transitions. [2022-11-19 08:22:15,725 INFO L78 Accepts]: Start accepts. Automaton has 5275 states and 7240 transitions. Word has length 220 [2022-11-19 08:22:15,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:15,726 INFO L495 AbstractCegarLoop]: Abstraction has 5275 states and 7240 transitions. [2022-11-19 08:22:15,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 08:22:15,726 INFO L276 IsEmpty]: Start isEmpty. Operand 5275 states and 7240 transitions. [2022-11-19 08:22:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-19 08:22:15,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:15,730 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:15,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:22:15,730 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:22:15,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:15,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1186159079, now seen corresponding path program 1 times [2022-11-19 08:22:15,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:15,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114858052] [2022-11-19 08:22:15,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:15,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-19 08:22:16,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:16,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114858052] [2022-11-19 08:22:16,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114858052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:16,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:16,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:22:16,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771843433] [2022-11-19 08:22:16,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:16,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:16,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:16,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:16,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:16,216 INFO L87 Difference]: Start difference. First operand 5275 states and 7240 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-19 08:22:18,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:21,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:24,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:25,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:25,152 INFO L93 Difference]: Finished difference Result 5481 states and 7442 transitions. [2022-11-19 08:22:25,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:25,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 226 [2022-11-19 08:22:25,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:25,178 INFO L225 Difference]: With dead ends: 5481 [2022-11-19 08:22:25,178 INFO L226 Difference]: Without dead ends: 5247 [2022-11-19 08:22:25,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:25,183 INFO L413 NwaCegarLoop]: 766 mSDtfsCounter, 52 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:25,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1482 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 261 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-11-19 08:22:25,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5247 states. [2022-11-19 08:22:25,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5247 to 5214. [2022-11-19 08:22:25,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5214 states, 3251 states have (on average 1.3392802214703168) internal successors, (4354), 3420 states have internal predecessors, (4354), 1363 states have call successors, (1363), 646 states have call predecessors, (1363), 599 states have return successors, (1402), 1258 states have call predecessors, (1402), 1346 states have call successors, (1402) [2022-11-19 08:22:25,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 5214 states and 7119 transitions. [2022-11-19 08:22:25,571 INFO L78 Accepts]: Start accepts. Automaton has 5214 states and 7119 transitions. Word has length 226 [2022-11-19 08:22:25,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:25,572 INFO L495 AbstractCegarLoop]: Abstraction has 5214 states and 7119 transitions. [2022-11-19 08:22:25,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-19 08:22:25,572 INFO L276 IsEmpty]: Start isEmpty. Operand 5214 states and 7119 transitions. [2022-11-19 08:22:25,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-19 08:22:25,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:25,579 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:25,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 08:22:25,579 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:22:25,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:25,580 INFO L85 PathProgramCache]: Analyzing trace with hash -787050600, now seen corresponding path program 1 times [2022-11-19 08:22:25,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:25,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215986285] [2022-11-19 08:22:25,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:25,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:25,934 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-19 08:22:25,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:25,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215986285] [2022-11-19 08:22:25,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215986285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:25,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:25,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:22:25,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459006924] [2022-11-19 08:22:25,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:25,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:25,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:25,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:25,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:25,938 INFO L87 Difference]: Start difference. First operand 5214 states and 7119 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-19 08:22:27,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:31,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:34,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:22:37,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:39,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:40,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:40,791 INFO L93 Difference]: Finished difference Result 13404 states and 18358 transitions. [2022-11-19 08:22:40,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:40,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 252 [2022-11-19 08:22:40,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:40,832 INFO L225 Difference]: With dead ends: 13404 [2022-11-19 08:22:40,832 INFO L226 Difference]: Without dead ends: 8199 [2022-11-19 08:22:40,852 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:22:40,854 INFO L413 NwaCegarLoop]: 1256 mSDtfsCounter, 769 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:40,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 2001 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 356 Invalid, 3 Unknown, 0 Unchecked, 14.4s Time] [2022-11-19 08:22:40,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8199 states. [2022-11-19 08:22:41,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8199 to 8163. [2022-11-19 08:22:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8163 states, 5129 states have (on average 1.3478260869565217) internal successors, (6913), 5407 states have internal predecessors, (6913), 2096 states have call successors, (2096), 999 states have call predecessors, (2096), 937 states have return successors, (2161), 1940 states have call predecessors, (2161), 2076 states have call successors, (2161) [2022-11-19 08:22:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8163 states to 8163 states and 11170 transitions. [2022-11-19 08:22:41,478 INFO L78 Accepts]: Start accepts. Automaton has 8163 states and 11170 transitions. Word has length 252 [2022-11-19 08:22:41,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:41,479 INFO L495 AbstractCegarLoop]: Abstraction has 8163 states and 11170 transitions. [2022-11-19 08:22:41,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-19 08:22:41,479 INFO L276 IsEmpty]: Start isEmpty. Operand 8163 states and 11170 transitions. [2022-11-19 08:22:41,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-11-19 08:22:41,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:41,485 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:41,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 08:22:41,486 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:22:41,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:41,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1866716420, now seen corresponding path program 1 times [2022-11-19 08:22:41,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:41,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049943985] [2022-11-19 08:22:41,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:41,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:42,091 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-19 08:22:42,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:42,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049943985] [2022-11-19 08:22:42,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049943985] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:22:42,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589754893] [2022-11-19 08:22:42,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:42,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:22:42,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:22:42,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:22:42,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:22:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:43,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 2831 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:22:43,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:22:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 84 proven. 6 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2022-11-19 08:22:43,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:22:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2022-11-19 08:22:43,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589754893] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-19 08:22:43,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 08:22:43,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 5 [2022-11-19 08:22:43,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770075186] [2022-11-19 08:22:43,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:43,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:43,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:43,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:43,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:22:43,724 INFO L87 Difference]: Start difference. First operand 8163 states and 11170 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-19 08:22:45,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:49,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:51,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:22:54,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:55,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:55,122 INFO L93 Difference]: Finished difference Result 19234 states and 26382 transitions. [2022-11-19 08:22:55,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:55,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 260 [2022-11-19 08:22:55,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:55,209 INFO L225 Difference]: With dead ends: 19234 [2022-11-19 08:22:55,209 INFO L226 Difference]: Without dead ends: 11102 [2022-11-19 08:22:55,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:22:55,234 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 813 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 12 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:55,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 1646 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 274 Invalid, 4 Unknown, 0 Unchecked, 10.7s Time] [2022-11-19 08:22:55,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11102 states. [2022-11-19 08:22:55,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11102 to 11049. [2022-11-19 08:22:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11049 states, 6970 states have (on average 1.3571018651362985) internal successors, (9459), 7355 states have internal predecessors, (9459), 2819 states have call successors, (2819), 1343 states have call predecessors, (2819), 1259 states have return successors, (2907), 2607 states have call predecessors, (2907), 2793 states have call successors, (2907) [2022-11-19 08:22:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11049 states to 11049 states and 15185 transitions. [2022-11-19 08:22:55,954 INFO L78 Accepts]: Start accepts. Automaton has 11049 states and 15185 transitions. Word has length 260 [2022-11-19 08:22:55,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:55,955 INFO L495 AbstractCegarLoop]: Abstraction has 11049 states and 15185 transitions. [2022-11-19 08:22:55,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-19 08:22:55,956 INFO L276 IsEmpty]: Start isEmpty. Operand 11049 states and 15185 transitions. [2022-11-19 08:22:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-19 08:22:55,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:55,964 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:55,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:22:56,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 08:22:56,184 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:22:56,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:56,184 INFO L85 PathProgramCache]: Analyzing trace with hash -654700, now seen corresponding path program 1 times [2022-11-19 08:22:56,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:56,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368937930] [2022-11-19 08:22:56,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:56,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-11-19 08:22:56,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:56,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368937930] [2022-11-19 08:22:56,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368937930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:56,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:56,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:22:56,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476725402] [2022-11-19 08:22:56,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:56,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:22:56,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:56,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:22:56,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:22:56,794 INFO L87 Difference]: Start difference. First operand 11049 states and 15185 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-19 08:22:58,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:02,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:07,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:08,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:08,691 INFO L93 Difference]: Finished difference Result 23683 states and 32861 transitions. [2022-11-19 08:23:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:23:08,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 286 [2022-11-19 08:23:08,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:08,745 INFO L225 Difference]: With dead ends: 23683 [2022-11-19 08:23:08,746 INFO L226 Difference]: Without dead ends: 12681 [2022-11-19 08:23:08,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:23:08,776 INFO L413 NwaCegarLoop]: 1018 mSDtfsCounter, 1190 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 93 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 2223 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:08,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 2223 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 464 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2022-11-19 08:23:08,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12681 states. [2022-11-19 08:23:09,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12681 to 11239. [2022-11-19 08:23:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11239 states, 7078 states have (on average 1.3546199491381745) internal successors, (9588), 7477 states have internal predecessors, (9588), 2864 states have call successors, (2864), 1379 states have call predecessors, (2864), 1296 states have return successors, (2953), 2645 states have call predecessors, (2953), 2838 states have call successors, (2953) [2022-11-19 08:23:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11239 states to 11239 states and 15405 transitions. [2022-11-19 08:23:09,772 INFO L78 Accepts]: Start accepts. Automaton has 11239 states and 15405 transitions. Word has length 286 [2022-11-19 08:23:09,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:09,772 INFO L495 AbstractCegarLoop]: Abstraction has 11239 states and 15405 transitions. [2022-11-19 08:23:09,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-19 08:23:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand 11239 states and 15405 transitions. [2022-11-19 08:23:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-19 08:23:09,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:09,782 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:09,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 08:23:09,783 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:23:09,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:09,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1273290634, now seen corresponding path program 1 times [2022-11-19 08:23:09,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:09,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456161578] [2022-11-19 08:23:09,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:09,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:11,535 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-11-19 08:23:11,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:11,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456161578] [2022-11-19 08:23:11,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456161578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:11,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:23:11,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 08:23:11,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320542034] [2022-11-19 08:23:11,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:11,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:23:11,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:11,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:23:11,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:23:11,538 INFO L87 Difference]: Start difference. First operand 11239 states and 15405 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-19 08:23:13,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:16,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:22,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:24,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:28,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:29,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:29,152 INFO L93 Difference]: Finished difference Result 16227 states and 22305 transitions. [2022-11-19 08:23:29,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:23:29,152 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 286 [2022-11-19 08:23:29,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:29,224 INFO L225 Difference]: With dead ends: 16227 [2022-11-19 08:23:29,224 INFO L226 Difference]: Without dead ends: 16188 [2022-11-19 08:23:29,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:23:29,234 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 2169 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 1381 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 3135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1381 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:29,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 1311 Invalid, 3135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1381 Valid, 1752 Invalid, 2 Unknown, 0 Unchecked, 16.4s Time] [2022-11-19 08:23:29,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16188 states. [2022-11-19 08:23:30,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16188 to 15919. [2022-11-19 08:23:30,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15919 states, 10088 states have (on average 1.3612212529738303) internal successors, (13732), 10662 states have internal predecessors, (13732), 3988 states have call successors, (3988), 1923 states have call predecessors, (3988), 1842 states have return successors, (4115), 3711 states have call predecessors, (4115), 3962 states have call successors, (4115) [2022-11-19 08:23:30,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15919 states to 15919 states and 21835 transitions. [2022-11-19 08:23:30,318 INFO L78 Accepts]: Start accepts. Automaton has 15919 states and 21835 transitions. Word has length 286 [2022-11-19 08:23:30,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:30,319 INFO L495 AbstractCegarLoop]: Abstraction has 15919 states and 21835 transitions. [2022-11-19 08:23:30,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-19 08:23:30,319 INFO L276 IsEmpty]: Start isEmpty. Operand 15919 states and 21835 transitions. [2022-11-19 08:23:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-19 08:23:30,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:30,330 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:30,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 08:23:30,331 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:23:30,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:30,331 INFO L85 PathProgramCache]: Analyzing trace with hash -389094904, now seen corresponding path program 1 times [2022-11-19 08:23:30,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:30,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851479380] [2022-11-19 08:23:30,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:30,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-11-19 08:23:31,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:31,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851479380] [2022-11-19 08:23:31,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851479380] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:23:31,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431217639] [2022-11-19 08:23:31,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:31,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:31,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:31,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:23:31,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:23:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:32,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 3083 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-19 08:23:32,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:23:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-11-19 08:23:32,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:23:32,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431217639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:32,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:23:32,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-19 08:23:32,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651415654] [2022-11-19 08:23:32,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:32,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:23:32,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:32,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:23:32,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:23:32,826 INFO L87 Difference]: Start difference. First operand 15919 states and 21835 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-19 08:23:34,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:39,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:42,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:23:46,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:47,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:47,389 INFO L93 Difference]: Finished difference Result 32420 states and 44709 transitions. [2022-11-19 08:23:47,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:23:47,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 287 [2022-11-19 08:23:47,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:47,480 INFO L225 Difference]: With dead ends: 32420 [2022-11-19 08:23:47,480 INFO L226 Difference]: Without dead ends: 16185 [2022-11-19 08:23:47,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:23:47,533 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 75 mSDsluCounter, 1482 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 25 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2263 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:47,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2263 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 396 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2022-11-19 08:23:47,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16185 states. [2022-11-19 08:23:48,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16185 to 16173. [2022-11-19 08:23:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16173 states, 10247 states have (on average 1.358739143163853) internal successors, (13923), 10847 states have internal predecessors, (13923), 4075 states have call successors, (4075), 1929 states have call predecessors, (4075), 1850 states have return successors, (4199), 3792 states have call predecessors, (4199), 4046 states have call successors, (4199) [2022-11-19 08:23:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16173 states to 16173 states and 22197 transitions. [2022-11-19 08:23:48,931 INFO L78 Accepts]: Start accepts. Automaton has 16173 states and 22197 transitions. Word has length 287 [2022-11-19 08:23:48,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:48,932 INFO L495 AbstractCegarLoop]: Abstraction has 16173 states and 22197 transitions. [2022-11-19 08:23:48,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-19 08:23:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 16173 states and 22197 transitions. [2022-11-19 08:23:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-19 08:23:48,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:48,946 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:48,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:23:49,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-19 08:23:49,159 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:23:49,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:49,160 INFO L85 PathProgramCache]: Analyzing trace with hash -988783886, now seen corresponding path program 1 times [2022-11-19 08:23:49,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:49,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206391161] [2022-11-19 08:23:49,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:49,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-11-19 08:23:50,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:50,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206391161] [2022-11-19 08:23:50,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206391161] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:23:50,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997509964] [2022-11-19 08:23:50,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:50,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:50,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:50,363 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:23:50,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:23:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:52,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 08:23:52,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:23:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2022-11-19 08:23:52,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:23:52,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997509964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:52,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:23:52,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2022-11-19 08:23:52,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608148122] [2022-11-19 08:23:52,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:52,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:23:52,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:52,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:23:52,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:23:52,519 INFO L87 Difference]: Start difference. First operand 16173 states and 22197 transitions. Second operand has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-19 08:23:54,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:24:00,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:24:02,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:24:04,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:24:06,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:24:10,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:24:11,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:24:11,435 INFO L93 Difference]: Finished difference Result 32394 states and 44659 transitions. [2022-11-19 08:24:11,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:24:11,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 287 [2022-11-19 08:24:11,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:24:11,520 INFO L225 Difference]: With dead ends: 32394 [2022-11-19 08:24:11,520 INFO L226 Difference]: Without dead ends: 16210 [2022-11-19 08:24:11,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 08:24:11,581 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 3 mSDsluCounter, 2998 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 9 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:24:11,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3754 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 705 Invalid, 5 Unknown, 0 Unchecked, 17.5s Time] [2022-11-19 08:24:11,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16210 states. [2022-11-19 08:24:12,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16210 to 16210. [2022-11-19 08:24:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16210 states, 10284 states have (on average 1.3574484636328277) internal successors, (13960), 10884 states have internal predecessors, (13960), 4075 states have call successors, (4075), 1929 states have call predecessors, (4075), 1850 states have return successors, (4199), 3792 states have call predecessors, (4199), 4046 states have call successors, (4199) [2022-11-19 08:24:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16210 states to 16210 states and 22234 transitions. [2022-11-19 08:24:12,742 INFO L78 Accepts]: Start accepts. Automaton has 16210 states and 22234 transitions. Word has length 287 [2022-11-19 08:24:12,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:24:12,743 INFO L495 AbstractCegarLoop]: Abstraction has 16210 states and 22234 transitions. [2022-11-19 08:24:12,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-19 08:24:12,743 INFO L276 IsEmpty]: Start isEmpty. Operand 16210 states and 22234 transitions. [2022-11-19 08:24:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-11-19 08:24:12,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:24:12,754 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:24:12,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:24:12,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:24:12,970 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:24:12,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:24:12,971 INFO L85 PathProgramCache]: Analyzing trace with hash 166394559, now seen corresponding path program 1 times [2022-11-19 08:24:12,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:24:12,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344521842] [2022-11-19 08:24:12,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:24:12,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:24:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:24:14,318 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 2 proven. 65 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-11-19 08:24:14,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:24:14,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344521842] [2022-11-19 08:24:14,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344521842] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:24:14,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807412658] [2022-11-19 08:24:14,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:24:14,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:24:14,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:24:14,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:24:14,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47c914e-22a8-46ab-85b5-fd590851a004/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:24:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:24:16,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 3217 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-19 08:24:16,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:24:16,636 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 160 proven. 1 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2022-11-19 08:24:16,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:24:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 2 proven. 65 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-11-19 08:24:17,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807412658] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:24:17,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [206815664] [2022-11-19 08:24:17,106 INFO L159 IcfgInterpreter]: Started Sifa with 127 locations of interest [2022-11-19 08:24:17,106 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:24:17,110 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:24:17,115 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:24:17,116 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:24:18,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 85 [2022-11-19 08:24:18,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-19 08:24:18,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-19 08:24:18,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-19 08:24:19,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-19 08:24:19,140 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 15 [2022-11-19 08:24:19,208 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 15 [2022-11-19 08:24:19,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 84 [2022-11-19 08:24:19,347 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 15 [2022-11-19 08:24:19,432 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 15 [2022-11-19 08:24:19,500 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 15 [2022-11-19 08:24:19,564 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 15 [2022-11-19 08:24:19,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 08:24:19,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-19 08:24:19,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:19,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-19 08:24:19,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-19 08:24:20,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:20,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-19 08:24:20,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:20,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:20,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 63 [2022-11-19 08:24:20,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:20,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-19 08:24:20,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-19 08:24:20,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:20,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:20,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:21,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:21,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:21,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-19 08:24:21,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:21,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 63 [2022-11-19 08:24:21,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2022-11-19 08:24:21,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:21,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:21,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 08:24:21,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-19 08:24:21,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:21,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-19 08:24:22,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-19 08:24:22,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-19 08:24:22,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-19 08:24:22,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:22,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2022-11-19 08:24:22,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:22,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:22,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:22,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:22,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-19 08:24:22,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:22,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:22,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:23,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:23,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:23,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:23,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-19 08:24:23,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 61 [2022-11-19 08:24:23,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:23,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:23,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:23,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-19 08:24:23,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:24,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:24,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:24,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:24,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-19 08:24:24,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-19 08:24:24,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2022-11-19 08:24:24,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:24,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:24,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:24,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:24,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 08:24:25,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 08:24:25,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 08:24:25,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 08:24:25,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,862 INFO L217 Elim1Store]: Index analysis took 430 ms [2022-11-19 08:24:54,859 WARN L233 SmtUtils]: Spent 28.96s on a formula simplification. DAG size of input: 1653 DAG size of output: 644 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:24:54,867 INFO L321 Elim1Store]: treesize reduction 8352, result has 12.5 percent of original size [2022-11-19 08:24:54,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 453 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 332 case distinctions, treesize of input 370 treesize of output 1465 [2022-11-19 08:24:56,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-19 08:24:56,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:56,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:56,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:56,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:56,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-19 08:24:56,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:57,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:57,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 61 [2022-11-19 08:24:57,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:57,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:57,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:57,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:57,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:57,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:57,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:57,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:57,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:57,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:57,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:57,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 712 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 278 [2022-11-19 08:24:58,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 08:24:58,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-19 08:24:58,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:58,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-19 08:24:58,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:58,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:58,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:59,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-19 08:24:59,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-19 08:24:59,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:59,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2022-11-19 08:24:59,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:24:59,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:25:06,426 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-19 08:25:06,431 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:25:06,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 08:25:10,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:10,937 INFO L217 Elim1Store]: Index analysis took 577 ms [2022-11-19 08:25:10,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 199 select indices, 199 select index equivalence classes, 13137 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 1742 treesize of output 598 [2022-11-19 08:25:11,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:11,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:11,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:11,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:11,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:11,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:11,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:11,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:11,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:11,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 741 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 118 [2022-11-19 08:25:12,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:12,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:12,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:12,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:12,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:12,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:12,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:12,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:12,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:12,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 712 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 115 [2022-11-19 08:25:21,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:21,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:21,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:21,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:21,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:21,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:21,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:21,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:21,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:21,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 712 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 115 [2022-11-19 08:25:23,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:23,526 INFO L217 Elim1Store]: Index analysis took 448 ms [2022-11-19 08:25:23,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 199 select indices, 199 select index equivalence classes, 13137 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 1742 treesize of output 598 [2022-11-19 08:25:24,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:24,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:24,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:24,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:24,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:24,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:24,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 741 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 118 [2022-11-19 08:26:33,515 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:26:33,767 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:26:34,276 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:26:35,169 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:35,187 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:26:35,227 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:27:04,676 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:05,088 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:05,507 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:06,303 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:27:06,336 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:27:06,370 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:27:13,183 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:13,302 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:13,584 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:16,564 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:17,174 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:17,403 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:28:37,532 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:28:37,688 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:28:37,806 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:28:39,210 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:28:39,216 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:28:39,222 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:30:00,279 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:30:00,710 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:30:00,877 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:30:01,959 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:30:01,997 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:30:02,007 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:32:08,529 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:32:09,170 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:32:09,280 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:32:10,277 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:32:10,330 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:32:10,335 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:34:21,402 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:34:21,633 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:34:22,066 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:34:23,167 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:34:23,185 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:34:23,221 WARN L207 Elim1Store]: Array PQE input equivalent to false