./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7 --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 bf5e73d985bafa5e008f16fba6fb54da90c4b127699bd918a748611ea9b79793 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:31:09,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:31:09,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:31:09,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:31:09,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:31:09,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:31:09,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:31:09,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:31:09,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:31:09,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:31:09,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:31:09,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:31:09,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:31:09,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:31:09,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:31:09,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:31:09,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:31:09,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:31:09,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:31:09,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:31:09,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:31:09,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:31:09,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:31:09,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:31:09,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:31:09,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:31:09,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:31:09,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:31:09,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:31:09,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:31:09,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:31:09,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:31:09,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:31:09,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:31:09,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:31:09,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:31:09,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:31:09,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:31:09,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:31:09,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:31:09,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:31:09,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:31:09,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:31:09,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:31:09,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:31:09,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:31:09,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:31:09,715 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:31:09,715 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:31:09,715 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:31:09,715 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:31:09,716 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:31:09,716 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:31:09,716 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:31:09,716 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:31:09,716 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:31:09,717 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:31:09,717 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:31:09,717 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:31:09,717 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:31:09,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:31:09,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:31:09,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:31:09,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:31:09,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:31:09,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:31:09,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:31:09,719 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:31:09,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:31:09,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:31:09,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:31:09,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:31:09,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:31:09,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:31:09,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:31:09,721 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:31:09,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:31:09,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:31:09,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:31:09,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:31:09,722 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf5e73d985bafa5e008f16fba6fb54da90c4b127699bd918a748611ea9b79793 [2021-11-25 18:31:09,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:31:10,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:31:10,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:31:10,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:31:10,023 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:31:10,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-25 18:31:10,126 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/data/392e77f79/df77e63c9e4a4266bf9081d316013da2/FLAGcff27f76d [2021-11-25 18:31:11,014 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:31:11,015 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-25 18:31:11,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/data/392e77f79/df77e63c9e4a4266bf9081d316013da2/FLAGcff27f76d [2021-11-25 18:31:11,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/data/392e77f79/df77e63c9e4a4266bf9081d316013da2 [2021-11-25 18:31:11,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:31:11,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:31:11,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:31:11,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:31:11,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:31:11,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:31:11" (1/1) ... [2021-11-25 18:31:11,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6f55a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:11, skipping insertion in model container [2021-11-25 18:31:11,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:31:11" (1/1) ... [2021-11-25 18:31:11,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:31:11,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:31:12,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2021-11-25 18:31:13,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:31:13,110 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:31:13,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2021-11-25 18:31:13,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:31:13,622 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:31:13,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13 WrapperNode [2021-11-25 18:31:13,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:31:13,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:31:13,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:31:13,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:31:13,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13" (1/1) ... [2021-11-25 18:31:13,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13" (1/1) ... [2021-11-25 18:31:13,948 INFO L137 Inliner]: procedures = 189, calls = 1289, calls flagged for inlining = 74, calls inlined = 74, statements flattened = 3243 [2021-11-25 18:31:13,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:31:13,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:31:13,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:31:13,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:31:13,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13" (1/1) ... [2021-11-25 18:31:13,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13" (1/1) ... [2021-11-25 18:31:13,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13" (1/1) ... [2021-11-25 18:31:13,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13" (1/1) ... [2021-11-25 18:31:14,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13" (1/1) ... [2021-11-25 18:31:14,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13" (1/1) ... [2021-11-25 18:31:14,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13" (1/1) ... [2021-11-25 18:31:14,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:31:14,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:31:14,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:31:14,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:31:14,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13" (1/1) ... [2021-11-25 18:31:14,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:31:14,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:31:14,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:31:14,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:31:14,355 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2021-11-25 18:31:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2021-11-25 18:31:14,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-25 18:31:14,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-25 18:31:14,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-25 18:31:14,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-25 18:31:14,361 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 18:31:14,361 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 18:31:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:31:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:31:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:31:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:31:14,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:31:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:31:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:31:14,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:31:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2021-11-25 18:31:14,363 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2021-11-25 18:31:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2021-11-25 18:31:14,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2021-11-25 18:31:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:31:14,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:31:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2021-11-25 18:31:14,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2021-11-25 18:31:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2021-11-25 18:31:14,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2021-11-25 18:31:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 18:31:14,365 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 18:31:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:31:14,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:31:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2021-11-25 18:31:14,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2021-11-25 18:31:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2021-11-25 18:31:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2021-11-25 18:31:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-25 18:31:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-25 18:31:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2021-11-25 18:31:14,368 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2021-11-25 18:31:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2021-11-25 18:31:14,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2021-11-25 18:31:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-11-25 18:31:14,369 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-11-25 18:31:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:31:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 18:31:14,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 18:31:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 18:31:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 18:31:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2021-11-25 18:31:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2021-11-25 18:31:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2021-11-25 18:31:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2021-11-25 18:31:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2021-11-25 18:31:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2021-11-25 18:31:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:31:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:31:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:31:14,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:31:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2021-11-25 18:31:14,375 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2021-11-25 18:31:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-25 18:31:14,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-25 18:31:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:31:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:31:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2021-11-25 18:31:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2021-11-25 18:31:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:31:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-25 18:31:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2021-11-25 18:31:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2021-11-25 18:31:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-25 18:31:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-25 18:31:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 18:31:14,377 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 18:31:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2021-11-25 18:31:14,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2021-11-25 18:31:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 18:31:14,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 18:31:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:31:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-11-25 18:31:14,378 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-11-25 18:31:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2021-11-25 18:31:14,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2021-11-25 18:31:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:31:14,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:31:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:31:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:31:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 18:31:14,381 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 18:31:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:31:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2021-11-25 18:31:14,382 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2021-11-25 18:31:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2021-11-25 18:31:14,383 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2021-11-25 18:31:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:31:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2021-11-25 18:31:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2021-11-25 18:31:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2021-11-25 18:31:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2021-11-25 18:31:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 18:31:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 18:31:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 18:31:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 18:31:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:31:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:31:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-25 18:31:14,387 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-25 18:31:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 18:31:14,387 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 18:31:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-25 18:31:14,387 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-25 18:31:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2021-11-25 18:31:14,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2021-11-25 18:31:14,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:31:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:31:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 18:31:14,394 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 18:31:14,395 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-25 18:31:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-25 18:31:14,397 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:31:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:31:14,397 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2021-11-25 18:31:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2021-11-25 18:31:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 18:31:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 18:31:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-25 18:31:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-25 18:31:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:31:14,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:31:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 18:31:14,404 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 18:31:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2021-11-25 18:31:14,405 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2021-11-25 18:31:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2021-11-25 18:31:14,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2021-11-25 18:31:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:31:14,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:31:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 18:31:14,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 18:31:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2021-11-25 18:31:14,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2021-11-25 18:31:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 18:31:14,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 18:31:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2021-11-25 18:31:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2021-11-25 18:31:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:31:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-25 18:31:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-25 18:31:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:31:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-25 18:31:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-25 18:31:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:31:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:31:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 18:31:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 18:31:15,074 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:31:15,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:31:15,442 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:31:33,611 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:31:34,545 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:31:34,546 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:31:34,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:31:34 BoogieIcfgContainer [2021-11-25 18:31:34,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:31:34,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:31:34,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:31:34,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:31:34,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:31:11" (1/3) ... [2021-11-25 18:31:34,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@861255a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:31:34, skipping insertion in model container [2021-11-25 18:31:34,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:13" (2/3) ... [2021-11-25 18:31:34,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@861255a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:31:34, skipping insertion in model container [2021-11-25 18:31:34,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:31:34" (3/3) ... [2021-11-25 18:31:34,564 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-25 18:31:34,579 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:31:34,580 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:31:34,658 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:31:34,679 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:31:34,680 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:31:34,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 979 states, 587 states have (on average 1.373083475298126) internal successors, (806), 630 states have internal predecessors, (806), 323 states have call successors, (323), 68 states have call predecessors, (323), 67 states have return successors, (318), 315 states have call predecessors, (318), 318 states have call successors, (318) [2021-11-25 18:31:34,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-25 18:31:34,768 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:34,769 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:34,770 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:31:34,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:34,776 INFO L85 PathProgramCache]: Analyzing trace with hash -564587599, now seen corresponding path program 1 times [2021-11-25 18:31:34,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:34,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730685719] [2021-11-25 18:31:34,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:34,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:35,915 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-25 18:31:35,916 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:35,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730685719] [2021-11-25 18:31:35,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730685719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:35,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:35,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:31:35,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690144868] [2021-11-25 18:31:35,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:35,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:31:35,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:35,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:31:35,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:35,978 INFO L87 Difference]: Start difference. First operand has 979 states, 587 states have (on average 1.373083475298126) internal successors, (806), 630 states have internal predecessors, (806), 323 states have call successors, (323), 68 states have call predecessors, (323), 67 states have return successors, (318), 315 states have call predecessors, (318), 318 states have call successors, (318) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:31:38,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:39,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:39,632 INFO L93 Difference]: Finished difference Result 2805 states and 4152 transitions. [2021-11-25 18:31:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:31:39,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 135 [2021-11-25 18:31:39,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:39,686 INFO L225 Difference]: With dead ends: 2805 [2021-11-25 18:31:39,686 INFO L226 Difference]: Without dead ends: 1840 [2021-11-25 18:31:39,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:39,726 INFO L933 BasicCegarLoop]: 1567 mSDtfsCounter, 1351 mSDsluCounter, 1349 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 2775 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:39,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1351 Valid, 2775 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 307 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 18:31:39,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2021-11-25 18:31:40,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1834. [2021-11-25 18:31:40,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1111 states have (on average 1.3645364536453646) internal successors, (1516), 1171 states have internal predecessors, (1516), 593 states have call successors, (593), 130 states have call predecessors, (593), 129 states have return successors, (580), 574 states have call predecessors, (580), 580 states have call successors, (580) [2021-11-25 18:31:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2689 transitions. [2021-11-25 18:31:40,102 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2689 transitions. Word has length 135 [2021-11-25 18:31:40,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:40,106 INFO L470 AbstractCegarLoop]: Abstraction has 1834 states and 2689 transitions. [2021-11-25 18:31:40,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:31:40,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2689 transitions. [2021-11-25 18:31:40,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-25 18:31:40,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:40,127 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:40,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:31:40,128 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:31:40,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:40,130 INFO L85 PathProgramCache]: Analyzing trace with hash 2001901990, now seen corresponding path program 1 times [2021-11-25 18:31:40,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:40,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740263610] [2021-11-25 18:31:40,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:40,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-25 18:31:40,667 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:40,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740263610] [2021-11-25 18:31:40,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740263610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:40,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:40,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:31:40,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041749803] [2021-11-25 18:31:40,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:40,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:31:40,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:40,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:31:40,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:40,683 INFO L87 Difference]: Start difference. First operand 1834 states and 2689 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:31:42,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:44,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:44,137 INFO L93 Difference]: Finished difference Result 3609 states and 5300 transitions. [2021-11-25 18:31:44,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:31:44,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2021-11-25 18:31:44,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:44,184 INFO L225 Difference]: With dead ends: 3609 [2021-11-25 18:31:44,184 INFO L226 Difference]: Without dead ends: 3589 [2021-11-25 18:31:44,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:44,189 INFO L933 BasicCegarLoop]: 1548 mSDtfsCounter, 1372 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1372 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:44,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1372 Valid, 2736 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 300 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 18:31:44,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3589 states. [2021-11-25 18:31:44,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3589 to 3585. [2021-11-25 18:31:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3585 states, 2179 states have (on average 1.3634694814134924) internal successors, (2971), 2287 states have internal predecessors, (2971), 1154 states have call successors, (1154), 254 states have call predecessors, (1154), 251 states have return successors, (1142), 1127 states have call predecessors, (1142), 1142 states have call successors, (1142) [2021-11-25 18:31:44,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3585 states and 5267 transitions. [2021-11-25 18:31:44,474 INFO L78 Accepts]: Start accepts. Automaton has 3585 states and 5267 transitions. Word has length 135 [2021-11-25 18:31:44,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:44,475 INFO L470 AbstractCegarLoop]: Abstraction has 3585 states and 5267 transitions. [2021-11-25 18:31:44,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:31:44,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3585 states and 5267 transitions. [2021-11-25 18:31:44,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-25 18:31:44,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:44,480 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:44,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:31:44,480 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:31:44,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:44,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1928577696, now seen corresponding path program 1 times [2021-11-25 18:31:44,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:44,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240332761] [2021-11-25 18:31:44,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:44,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-25 18:31:44,872 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:44,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240332761] [2021-11-25 18:31:44,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240332761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:44,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:44,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:31:44,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610103188] [2021-11-25 18:31:44,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:44,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:31:44,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:44,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:31:44,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:44,876 INFO L87 Difference]: Start difference. First operand 3585 states and 5267 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:31:46,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:48,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:48,631 INFO L93 Difference]: Finished difference Result 10665 states and 15688 transitions. [2021-11-25 18:31:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:31:48,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 136 [2021-11-25 18:31:48,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:48,707 INFO L225 Difference]: With dead ends: 10665 [2021-11-25 18:31:48,707 INFO L226 Difference]: Without dead ends: 7107 [2021-11-25 18:31:48,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:48,732 INFO L933 BasicCegarLoop]: 1663 mSDtfsCounter, 1371 mSDsluCounter, 1338 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1371 SdHoareTripleChecker+Valid, 2860 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:48,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1371 Valid, 2860 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 317 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 18:31:48,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7107 states. [2021-11-25 18:31:49,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7107 to 7096. [2021-11-25 18:31:49,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7096 states, 4320 states have (on average 1.3645833333333333) internal successors, (5895), 4528 states have internal predecessors, (5895), 2280 states have call successors, (2280), 500 states have call predecessors, (2280), 495 states have return successors, (2262), 2235 states have call predecessors, (2262), 2262 states have call successors, (2262) [2021-11-25 18:31:49,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7096 states to 7096 states and 10437 transitions. [2021-11-25 18:31:49,317 INFO L78 Accepts]: Start accepts. Automaton has 7096 states and 10437 transitions. Word has length 136 [2021-11-25 18:31:49,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:49,318 INFO L470 AbstractCegarLoop]: Abstraction has 7096 states and 10437 transitions. [2021-11-25 18:31:49,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:31:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 7096 states and 10437 transitions. [2021-11-25 18:31:49,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-25 18:31:49,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:49,326 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:49,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:31:49,327 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:31:49,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:49,328 INFO L85 PathProgramCache]: Analyzing trace with hash -2146389438, now seen corresponding path program 1 times [2021-11-25 18:31:49,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:49,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673118013] [2021-11-25 18:31:49,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:49,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:49,723 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-25 18:31:49,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:49,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673118013] [2021-11-25 18:31:49,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673118013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:49,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:49,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:31:49,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369614585] [2021-11-25 18:31:49,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:49,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:31:49,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:49,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:31:49,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:49,728 INFO L87 Difference]: Start difference. First operand 7096 states and 10437 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:31:51,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:53,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:53,695 INFO L93 Difference]: Finished difference Result 21220 states and 31223 transitions. [2021-11-25 18:31:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:31:53,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2021-11-25 18:31:53,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:53,856 INFO L225 Difference]: With dead ends: 21220 [2021-11-25 18:31:53,856 INFO L226 Difference]: Without dead ends: 14148 [2021-11-25 18:31:53,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:53,910 INFO L933 BasicCegarLoop]: 1574 mSDtfsCounter, 1364 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 2790 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:53,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1364 Valid, 2790 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 299 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 18:31:53,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14148 states. [2021-11-25 18:31:54,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14148 to 14111. [2021-11-25 18:31:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14111 states, 8603 states have (on average 1.3652214343833546) internal successors, (11745), 9007 states have internal predecessors, (11745), 4524 states have call successors, (4524), 991 states have call predecessors, (4524), 983 states have return successors, (4504), 4448 states have call predecessors, (4504), 4504 states have call successors, (4504) [2021-11-25 18:31:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14111 states to 14111 states and 20773 transitions. [2021-11-25 18:31:54,928 INFO L78 Accepts]: Start accepts. Automaton has 14111 states and 20773 transitions. Word has length 149 [2021-11-25 18:31:54,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:54,930 INFO L470 AbstractCegarLoop]: Abstraction has 14111 states and 20773 transitions. [2021-11-25 18:31:54,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:31:54,931 INFO L276 IsEmpty]: Start isEmpty. Operand 14111 states and 20773 transitions. [2021-11-25 18:31:54,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-25 18:31:54,937 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:54,938 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:54,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:31:54,938 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:31:54,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:54,939 INFO L85 PathProgramCache]: Analyzing trace with hash -469971223, now seen corresponding path program 1 times [2021-11-25 18:31:54,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:54,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659112446] [2021-11-25 18:31:54,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:54,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-25 18:31:55,545 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:55,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659112446] [2021-11-25 18:31:55,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659112446] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:31:55,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867778889] [2021-11-25 18:31:55,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:55,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:31:55,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:31:55,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:31:55,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:31:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:59,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 2850 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 18:31:59,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:32:00,106 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-11-25 18:32:00,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:32:00,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867778889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:32:00,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:32:00,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-11-25 18:32:00,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980215096] [2021-11-25 18:32:00,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:32:00,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:32:00,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:32:00,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:32:00,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:32:00,110 INFO L87 Difference]: Start difference. First operand 14111 states and 20773 transitions. Second operand has 6 states, 4 states have (on average 12.75) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-25 18:32:02,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:05,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:32:05,679 INFO L93 Difference]: Finished difference Result 28242 states and 41580 transitions. [2021-11-25 18:32:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:32:05,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 12.75) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 151 [2021-11-25 18:32:05,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:32:05,818 INFO L225 Difference]: With dead ends: 28242 [2021-11-25 18:32:05,818 INFO L226 Difference]: Without dead ends: 14143 [2021-11-25 18:32:05,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:32:05,908 INFO L933 BasicCegarLoop]: 1257 mSDtfsCounter, 3 mSDsluCounter, 5596 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6270 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:32:05,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 6270 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 786 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2021-11-25 18:32:05,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14143 states. [2021-11-25 18:32:06,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14143 to 14113. [2021-11-25 18:32:06,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14113 states, 8604 states have (on average 1.3652952115295212) internal successors, (11747), 9009 states have internal predecessors, (11747), 4524 states have call successors, (4524), 991 states have call predecessors, (4524), 984 states have return successors, (4505), 4448 states have call predecessors, (4505), 4504 states have call successors, (4505) [2021-11-25 18:32:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14113 states to 14113 states and 20776 transitions. [2021-11-25 18:32:06,957 INFO L78 Accepts]: Start accepts. Automaton has 14113 states and 20776 transitions. Word has length 151 [2021-11-25 18:32:06,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:32:06,958 INFO L470 AbstractCegarLoop]: Abstraction has 14113 states and 20776 transitions. [2021-11-25 18:32:06,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 12.75) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-25 18:32:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 14113 states and 20776 transitions. [2021-11-25 18:32:06,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-25 18:32:06,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:32:06,965 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:32:07,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:32:07,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:32:07,191 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:32:07,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:32:07,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1452697310, now seen corresponding path program 1 times [2021-11-25 18:32:07,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:32:07,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69763082] [2021-11-25 18:32:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:32:07,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:32:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:32:07,878 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-25 18:32:07,878 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:32:07,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69763082] [2021-11-25 18:32:07,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69763082] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:32:07,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556463703] [2021-11-25 18:32:07,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:32:07,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:32:07,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:32:07,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:32:07,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef839d7-b0b5-4b05-bed3-204916b1d681/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:32:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:32:12,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 2925 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:32:12,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:32:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-11-25 18:32:13,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:32:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-25 18:32:14,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556463703] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:32:14,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [769498083] [2021-11-25 18:32:14,466 INFO L159 IcfgInterpreter]: Started Sifa with 74 locations of interest [2021-11-25 18:32:14,466 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:32:14,473 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:32:14,481 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:32:14,481 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:32:17,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:18,711 INFO L244 Elim1Store]: Index analysis took 757 ms [2021-11-25 18:32:19,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 282 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 1414 treesize of output 1264 [2021-11-25 18:32:20,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,177 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-25 18:32:20,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 44 [2021-11-25 18:32:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:20,483 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-11-25 18:32:20,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 44 [2021-11-25 18:32:24,792 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#usb_printer_gadget~0.base| |~#product_desc~0.base|) [2021-11-25 18:32:24,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:26,809 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#fs_printer_function~0.base| |~#product_desc~0.base|) [2021-11-25 18:32:26,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:28,825 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#hs_printer_function~0.base| |~#product_desc~0.base|) [2021-11-25 18:32:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:32,911 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 ((as const (Array Int Int)) 0))) (= .cse0 (store (store (store (store (store .cse0 |~#fs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#fs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ 16 |~#fs_printer_function~0.offset|) |~#fs_ep_in_desc~0.base|) (+ |~#fs_printer_function~0.offset| 24) |~#fs_ep_out_desc~0.base|) (+ 32 |~#fs_printer_function~0.offset|) 0))) [2021-11-25 18:32:32,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:34,937 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 ((as const (Array Int Int)) 0))) (= .cse0 (store (store (store (store (store .cse0 |~#hs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#hs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ |~#hs_printer_function~0.offset| 16) |~#hs_ep_in_desc~0.base|) (+ |~#hs_printer_function~0.offset| 24) |~#hs_ep_out_desc~0.base|) (+ 32 |~#hs_printer_function~0.offset|) 0))) [2021-11-25 18:32:34,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:36,964 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 ((as const (Array Int Int)) 0))) (= (store (store (store (store (store .cse0 |~#fs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#fs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ 16 |~#fs_printer_function~0.offset|) |~#fs_ep_in_desc~0.base|) (+ |~#fs_printer_function~0.offset| 24) |~#fs_ep_out_desc~0.base|) (+ 32 |~#fs_printer_function~0.offset|) 0) (store (store (store (store (store .cse0 |~#hs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#hs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ |~#hs_printer_function~0.offset| 16) |~#hs_ep_in_desc~0.base|) (+ |~#hs_printer_function~0.offset| 24) |~#hs_ep_out_desc~0.base|) (+ 32 |~#hs_printer_function~0.offset|) 0))) [2021-11-25 18:32:36,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:36,973 INFO L244 Elim1Store]: Index analysis took 6077 ms [2021-11-25 18:32:38,988 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= ((as const (Array Int Int)) 0) (select |v_#memory_$Pointer$.base_704| |~#printer_mutex~0.base|)) [2021-11-25 18:32:41,004 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= ((as const (Array Int Int)) 0) (select |v_#memory_$Pointer$.base_704| |~#printer_mutex~0.base|)) [2021-11-25 18:32:43,026 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (store (store (store (store (store ((as const (Array Int Int)) 0) |~#fs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#fs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ 16 |~#fs_printer_function~0.offset|) |~#fs_ep_in_desc~0.base|) (+ |~#fs_printer_function~0.offset| 24) |~#fs_ep_out_desc~0.base|) (+ 32 |~#fs_printer_function~0.offset|) 0) (select |v_#memory_$Pointer$.base_704| |~#printer_mutex~0.base|)) [2021-11-25 18:32:45,052 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (store (store (store (store (store ((as const (Array Int Int)) 0) |~#fs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#fs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ 16 |~#fs_printer_function~0.offset|) |~#fs_ep_in_desc~0.base|) (+ |~#fs_printer_function~0.offset| 24) |~#fs_ep_out_desc~0.base|) (+ 32 |~#fs_printer_function~0.offset|) 0) (select |v_#memory_$Pointer$.base_704| |~#printer_mutex~0.base|)) [2021-11-25 18:32:47,068 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |v_#memory_$Pointer$.base_704| |~#printer_mutex~0.base|) (store (store (store (store (store ((as const (Array Int Int)) 0) |~#hs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#hs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ |~#hs_printer_function~0.offset| 16) |~#hs_ep_in_desc~0.base|) (+ |~#hs_printer_function~0.offset| 24) |~#hs_ep_out_desc~0.base|) (+ 32 |~#hs_printer_function~0.offset|) 0)) [2021-11-25 18:32:49,082 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |v_#memory_$Pointer$.base_704| |~#printer_mutex~0.base|) (store (store (store (store (store ((as const (Array Int Int)) 0) |~#hs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#hs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ |~#hs_printer_function~0.offset| 16) |~#hs_ep_in_desc~0.base|) (+ |~#hs_printer_function~0.offset| 24) |~#hs_ep_out_desc~0.base|) (+ 32 |~#hs_printer_function~0.offset|) 0)) [2021-11-25 18:32:51,112 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (store (store (store (store (store ((as const (Array Int Int)) 0) |~#fs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#fs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ 16 |~#fs_printer_function~0.offset|) |~#fs_ep_in_desc~0.base|) (+ |~#fs_printer_function~0.offset| 24) |~#fs_ep_out_desc~0.base|) (+ 32 |~#fs_printer_function~0.offset|) 0) (select |v_#memory_$Pointer$.base_704| |~#fs_printer_function~0.base|)) [2021-11-25 18:32:53,129 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (store (store (store (store (store ((as const (Array Int Int)) 0) |~#fs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#fs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ 16 |~#fs_printer_function~0.offset|) |~#fs_ep_in_desc~0.base|) (+ |~#fs_printer_function~0.offset| 24) |~#fs_ep_out_desc~0.base|) (+ 32 |~#fs_printer_function~0.offset|) 0) (select |v_#memory_$Pointer$.base_704| |~#fs_printer_function~0.base|)) [2021-11-25 18:32:55,156 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (store (store (store (store (store ((as const (Array Int Int)) 0) |~#hs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#hs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ |~#hs_printer_function~0.offset| 16) |~#hs_ep_in_desc~0.base|) (+ |~#hs_printer_function~0.offset| 24) |~#hs_ep_out_desc~0.base|) (+ 32 |~#hs_printer_function~0.offset|) 0) (select |v_#memory_$Pointer$.base_704| |~#fs_printer_function~0.base|)) [2021-11-25 18:32:57,173 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (store (store (store (store (store ((as const (Array Int Int)) 0) |~#hs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#hs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ |~#hs_printer_function~0.offset| 16) |~#hs_ep_in_desc~0.base|) (+ |~#hs_printer_function~0.offset| 24) |~#hs_ep_out_desc~0.base|) (+ 32 |~#hs_printer_function~0.offset|) 0) (select |v_#memory_$Pointer$.base_704| |~#fs_printer_function~0.base|)) [2021-11-25 18:32:59,195 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |v_#memory_$Pointer$.base_704| |~#hs_printer_function~0.base|) (store (store (store (store (store ((as const (Array Int Int)) 0) |~#hs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#hs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ |~#hs_printer_function~0.offset| 16) |~#hs_ep_in_desc~0.base|) (+ |~#hs_printer_function~0.offset| 24) |~#hs_ep_out_desc~0.base|) (+ 32 |~#hs_printer_function~0.offset|) 0)) [2021-11-25 18:33:01,220 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |v_#memory_$Pointer$.base_704| |~#hs_printer_function~0.base|) (store (store (store (store (store ((as const (Array Int Int)) 0) |~#hs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#hs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ |~#hs_printer_function~0.offset| 16) |~#hs_ep_in_desc~0.base|) (+ |~#hs_printer_function~0.offset| 24) |~#hs_ep_out_desc~0.base|) (+ 32 |~#hs_printer_function~0.offset|) 0)) [2021-11-25 18:33:03,243 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= ((as const (Array Int Int)) 0) (select |v_#memory_$Pointer$.base_704| |~#usb_printer_gadget~0.base|)) [2021-11-25 18:33:05,261 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= ((as const (Array Int Int)) 0) (select |v_#memory_$Pointer$.base_704| |~#usb_printer_gadget~0.base|)) [2021-11-25 18:33:07,283 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |v_#memory_$Pointer$.base_704| |~#usb_printer_gadget~0.base|) (store (store (store (store (store ((as const (Array Int Int)) 0) |~#fs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#fs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ 16 |~#fs_printer_function~0.offset|) |~#fs_ep_in_desc~0.base|) (+ |~#fs_printer_function~0.offset| 24) |~#fs_ep_out_desc~0.base|) (+ 32 |~#fs_printer_function~0.offset|) 0)) [2021-11-25 18:33:09,304 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |v_#memory_$Pointer$.base_704| |~#usb_printer_gadget~0.base|) (store (store (store (store (store ((as const (Array Int Int)) 0) |~#fs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#fs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ 16 |~#fs_printer_function~0.offset|) |~#fs_ep_in_desc~0.base|) (+ |~#fs_printer_function~0.offset| 24) |~#fs_ep_out_desc~0.base|) (+ 32 |~#fs_printer_function~0.offset|) 0)) [2021-11-25 18:33:11,322 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |v_#memory_$Pointer$.base_704| |~#usb_printer_gadget~0.base|) (store (store (store (store (store ((as const (Array Int Int)) 0) |~#hs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#hs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ |~#hs_printer_function~0.offset| 16) |~#hs_ep_in_desc~0.base|) (+ |~#hs_printer_function~0.offset| 24) |~#hs_ep_out_desc~0.base|) (+ 32 |~#hs_printer_function~0.offset|) 0)) [2021-11-25 18:33:13,348 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |v_#memory_$Pointer$.base_704| |~#usb_printer_gadget~0.base|) (store (store (store (store (store ((as const (Array Int Int)) 0) |~#hs_printer_function~0.offset| |~#otg_desc~0.base|) (+ |~#hs_printer_function~0.offset| 8) |~#intf_desc~0.base|) (+ |~#hs_printer_function~0.offset| 16) |~#hs_ep_in_desc~0.base|) (+ |~#hs_printer_function~0.offset| 24) |~#hs_ep_out_desc~0.base|) (+ 32 |~#hs_printer_function~0.offset|) 0)) [2021-11-25 18:33:13,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 166 [2021-11-25 18:33:17,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 187 [2021-11-25 18:33:21,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:33:25,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:33:30,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:33:34,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:33:38,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:33:42,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:33:46,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:33:51,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:33:55,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:33:59,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:34:03,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:34:07,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:34:12,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2021-11-25 18:34:16,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 204 treesize of output 192 [2021-11-25 18:34:20,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 220 treesize of output 204 [2021-11-25 18:34:24,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 209 [2021-11-25 18:34:28,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 221 [2021-11-25 18:34:33,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:34:37,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:34:41,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:34:45,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:34:49,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:34:53,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:34:58,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:02,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:06,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:10,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:14,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:18,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:23,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:27,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:31,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:35,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:39,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:44,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:48,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:52,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:35:56,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:00,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:04,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:09,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:12,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:16,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:20,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:23,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:27,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:30,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:34,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:38,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:41,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:44,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:46,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:49,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:52,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:55,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:36:57,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:37:01,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:37:04,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:37:08,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 225 [2021-11-25 18:37:24,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:24,976 INFO L244 Elim1Store]: Index analysis took 157 ms [2021-11-25 18:37:25,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-25 18:37:26,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:28,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:29,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:29,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:29,080 INFO L244 Elim1Store]: Index analysis took 2957 ms [2021-11-25 18:37:29,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 78 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 83 [2021-11-25 18:37:30,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:30,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:30,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:30,266 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-11-25 18:37:30,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2021-11-25 18:37:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:30,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2021-11-25 18:37:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:31,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:32,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:33,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:34,389 INFO L244 Elim1Store]: Index analysis took 2699 ms [2021-11-25 18:37:35,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 120 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 106 [2021-11-25 18:37:35,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,109 INFO L244 Elim1Store]: Index analysis took 1437 ms [2021-11-25 18:37:37,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 78 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 85 [2021-11-25 18:37:37,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:37,897 INFO L244 Elim1Store]: Index analysis took 184 ms [2021-11-25 18:37:38,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 29 [2021-11-25 18:37:38,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:38,591 INFO L244 Elim1Store]: Index analysis took 366 ms [2021-11-25 18:37:38,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 55 [2021-11-25 18:37:48,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:48,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:48,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:48,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:48,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:37:59,869 INFO L244 Elim1Store]: Index analysis took 20773 ms [2021-11-25 18:41:36,398 WARN L227 SmtUtils]: Spent 3.61m on a formula simplification. DAG size of input: 2737 DAG size of output: 1240 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:41:36,406 INFO L354 Elim1Store]: treesize reduction 9917, result has 20.7 percent of original size [2021-11-25 18:41:36,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 123 select indices, 123 select index equivalence classes, 7513 disjoint index pairs (out of 7503 index pairs), introduced 123 new quantified variables, introduced 126 case distinctions, treesize of input 634 treesize of output 2969 [2021-11-25 18:41:44,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:58,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:58,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:58,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:58,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:12,369 INFO L244 Elim1Store]: Index analysis took 32739 ms