./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.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_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/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_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/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_08369599-f3c5-41ee-9e26-0398c140d33c/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 83293f5c81ac30df7449dd9c03263a4edbba62be916a9a4fda92d2518792b8d4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:26:52,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:26:52,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:26:52,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:26:52,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:26:52,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:26:52,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:26:52,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:26:52,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:26:52,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:26:52,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:26:52,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:26:52,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:26:52,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:26:52,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:26:52,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:26:52,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:26:52,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:26:52,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:26:52,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:26:52,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:26:52,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:26:52,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:26:52,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:26:52,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:26:52,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:26:52,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:26:52,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:26:52,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:26:52,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:26:52,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:26:52,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:26:52,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:26:52,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:26:52,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:26:52,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:26:52,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:26:52,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:26:52,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:26:52,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:26:52,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:26:52,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:26:52,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:26:52,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:26:52,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:26:52,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:26:52,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:26:52,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:26:52,695 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:26:52,695 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:26:52,696 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:26:52,696 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:26:52,697 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:26:52,698 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:26:52,698 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:26:52,698 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:26:52,699 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:26:52,699 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:26:52,699 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:26:52,700 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:26:52,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:26:52,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:26:52,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:26:52,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:26:52,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:26:52,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:26:52,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:26:52,704 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:26:52,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:26:52,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:26:52,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:26:52,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:26:52,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:26:52,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:26:52,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:26:52,708 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:26:52,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:26:52,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:26:52,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:26:52,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:26:52,710 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_08369599-f3c5-41ee-9e26-0398c140d33c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83293f5c81ac30df7449dd9c03263a4edbba62be916a9a4fda92d2518792b8d4 [2021-11-25 18:26:53,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:26:53,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:26:53,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:26:53,130 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:26:53,131 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:26:53,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2021-11-25 18:26:53,232 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/data/b8f68202e/d67afd749a18402995cc628be81dde68/FLAGc49c0f059 [2021-11-25 18:26:54,294 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:26:54,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2021-11-25 18:26:54,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/data/b8f68202e/d67afd749a18402995cc628be81dde68/FLAGc49c0f059 [2021-11-25 18:26:54,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/data/b8f68202e/d67afd749a18402995cc628be81dde68 [2021-11-25 18:26:54,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:26:54,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:26:54,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:26:54,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:26:54,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:26:54,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:26:54" (1/1) ... [2021-11-25 18:26:54,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ab4567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:54, skipping insertion in model container [2021-11-25 18:26:54,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:26:54" (1/1) ... [2021-11-25 18:26:54,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:26:54,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:26:55,913 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_08369599-f3c5-41ee-9e26-0398c140d33c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i[163669,163682] [2021-11-25 18:26:56,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:26:56,529 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:26:56,709 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_08369599-f3c5-41ee-9e26-0398c140d33c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i[163669,163682] [2021-11-25 18:26:56,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:26:56,949 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:26:56,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56 WrapperNode [2021-11-25 18:26:56,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:26:56,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:26:56,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:26:56,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:26:56,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56" (1/1) ... [2021-11-25 18:26:57,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56" (1/1) ... [2021-11-25 18:26:57,174 INFO L137 Inliner]: procedures = 175, calls = 797, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 2205 [2021-11-25 18:26:57,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:26:57,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:26:57,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:26:57,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:26:57,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56" (1/1) ... [2021-11-25 18:26:57,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56" (1/1) ... [2021-11-25 18:26:57,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56" (1/1) ... [2021-11-25 18:26:57,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56" (1/1) ... [2021-11-25 18:26:57,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56" (1/1) ... [2021-11-25 18:26:57,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56" (1/1) ... [2021-11-25 18:26:57,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56" (1/1) ... [2021-11-25 18:26:57,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:26:57,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:26:57,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:26:57,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:26:57,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56" (1/1) ... [2021-11-25 18:26:57,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:26:57,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:26:57,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:26:57,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:26:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 18:26:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 18:26:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 18:26:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 18:26:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2021-11-25 18:26:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2021-11-25 18:26:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_15 [2021-11-25 18:26:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_15 [2021-11-25 18:26:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:26:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-11-25 18:26:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-11-25 18:26:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:26:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:26:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-11-25 18:26:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-11-25 18:26:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:26:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:26:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:26:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 18:26:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 18:26:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-11-25 18:26:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-11-25 18:26:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-11-25 18:26:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-11-25 18:26:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:26:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:26:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-25 18:26:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-25 18:26:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:26:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:26:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-11-25 18:26:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-11-25 18:26:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_read_bulk_callback [2021-11-25 18:26:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_read_bulk_callback [2021-11-25 18:26:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-11-25 18:26:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-11-25 18:26:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-11-25 18:26:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-11-25 18:26:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:26:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 18:26:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 18:26:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:26:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:26:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:26:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:26:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:26:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:26:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 18:26:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 18:26:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:26:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-11-25 18:26:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-11-25 18:26:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2021-11-25 18:26:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2021-11-25 18:26:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:26:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:26:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:26:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:26:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:26:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:26:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:26:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-25 18:26:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-25 18:26:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-25 18:26:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-25 18:26:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:26:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-25 18:26:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-25 18:26:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-25 18:26:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-25 18:26:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-11-25 18:26:57,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-11-25 18:26:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2021-11-25 18:26:57,503 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2021-11-25 18:26:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:26:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:26:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_disconnect [2021-11-25 18:26:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_disconnect [2021-11-25 18:26:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-25 18:26:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-25 18:26:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:26:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:26:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-25 18:26:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-25 18:26:57,507 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 18:26:57,507 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 18:26:57,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-11-25 18:26:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-11-25 18:26:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2021-11-25 18:26:57,509 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2021-11-25 18:26:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:26:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-11-25 18:26:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-11-25 18:26:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-25 18:26:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-25 18:26:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:26:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_send_cmd [2021-11-25 18:26:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_send_cmd [2021-11-25 18:26:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 18:26:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 18:26:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:26:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:26:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_cmd_open [2021-11-25 18:26:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_cmd_open [2021-11-25 18:26:58,074 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:26:58,077 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:26:58,342 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:26:59,132 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-11-25 18:27:03,460 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:27:04,295 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:27:04,296 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:27:04,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:27:04 BoogieIcfgContainer [2021-11-25 18:27:04,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:27:04,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:27:04,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:27:04,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:27:04,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:26:54" (1/3) ... [2021-11-25 18:27:04,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b69fb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:27:04, skipping insertion in model container [2021-11-25 18:27:04,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:26:56" (2/3) ... [2021-11-25 18:27:04,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b69fb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:27:04, skipping insertion in model container [2021-11-25 18:27:04,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:27:04" (3/3) ... [2021-11-25 18:27:04,312 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2021-11-25 18:27:04,319 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:27:04,319 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:27:04,397 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:27:04,415 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 18:27:04,417 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:27:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 468 states, 292 states have (on average 1.3527397260273972) internal successors, (395), 311 states have internal predecessors, (395), 132 states have call successors, (132), 44 states have call predecessors, (132), 42 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2021-11-25 18:27:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 18:27:04,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:04,480 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:27:04,482 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:04,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:04,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1233549946, now seen corresponding path program 1 times [2021-11-25 18:27:04,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:04,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414136497] [2021-11-25 18:27:04,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:04,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:27:05,140 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:05,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414136497] [2021-11-25 18:27:05,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414136497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:05,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:27:05,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:27:05,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988674152] [2021-11-25 18:27:05,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:05,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:27:05,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:05,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:27:05,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:27:05,210 INFO L87 Difference]: Start difference. First operand has 468 states, 292 states have (on average 1.3527397260273972) internal successors, (395), 311 states have internal predecessors, (395), 132 states have call successors, (132), 44 states have call predecessors, (132), 42 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:27:08,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:08,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:08,924 INFO L93 Difference]: Finished difference Result 1370 states and 1911 transitions. [2021-11-25 18:27:08,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:27:08,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2021-11-25 18:27:08,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:08,955 INFO L225 Difference]: With dead ends: 1370 [2021-11-25 18:27:08,956 INFO L226 Difference]: Without dead ends: 887 [2021-11-25 18:27:08,970 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 18:27:08,980 INFO L933 BasicCegarLoop]: 669 mSDtfsCounter, 605 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:08,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [606 Valid, 1210 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-25 18:27:09,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2021-11-25 18:27:09,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 887. [2021-11-25 18:27:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 562 states have (on average 1.3202846975088969) internal successors, (742), 580 states have internal predecessors, (742), 242 states have call successors, (242), 83 states have call predecessors, (242), 82 states have return successors, (238), 235 states have call predecessors, (238), 237 states have call successors, (238) [2021-11-25 18:27:09,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1222 transitions. [2021-11-25 18:27:09,250 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1222 transitions. Word has length 23 [2021-11-25 18:27:09,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:09,251 INFO L470 AbstractCegarLoop]: Abstraction has 887 states and 1222 transitions. [2021-11-25 18:27:09,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:27:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1222 transitions. [2021-11-25 18:27:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 18:27:09,255 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:09,255 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:27:09,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:27:09,256 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:09,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:09,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1843138784, now seen corresponding path program 1 times [2021-11-25 18:27:09,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:09,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539455905] [2021-11-25 18:27:09,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:09,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 18:27:09,537 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:09,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539455905] [2021-11-25 18:27:09,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539455905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:09,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:27:09,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:27:09,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65110190] [2021-11-25 18:27:09,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:09,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:27:09,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:09,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:27:09,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:27:09,552 INFO L87 Difference]: Start difference. First operand 887 states and 1222 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:27:12,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:13,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:13,066 INFO L93 Difference]: Finished difference Result 1423 states and 1948 transitions. [2021-11-25 18:27:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:27:13,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2021-11-25 18:27:13,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:13,084 INFO L225 Difference]: With dead ends: 1423 [2021-11-25 18:27:13,084 INFO L226 Difference]: Without dead ends: 1420 [2021-11-25 18:27:13,089 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 18:27:13,091 INFO L933 BasicCegarLoop]: 597 mSDtfsCounter, 361 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:13,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 1123 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 193 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 18:27:13,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2021-11-25 18:27:13,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1408. [2021-11-25 18:27:13,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 901 states have (on average 1.3263041065482797) internal successors, (1195), 925 states have internal predecessors, (1195), 370 states have call successors, (370), 139 states have call predecessors, (370), 136 states have return successors, (366), 357 states have call predecessors, (366), 365 states have call successors, (366) [2021-11-25 18:27:13,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1931 transitions. [2021-11-25 18:27:13,241 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1931 transitions. Word has length 32 [2021-11-25 18:27:13,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:13,242 INFO L470 AbstractCegarLoop]: Abstraction has 1408 states and 1931 transitions. [2021-11-25 18:27:13,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:27:13,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1931 transitions. [2021-11-25 18:27:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 18:27:13,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:13,254 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:27:13,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:27:13,254 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:13,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:13,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1303063165, now seen corresponding path program 1 times [2021-11-25 18:27:13,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:13,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139611029] [2021-11-25 18:27:13,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:13,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 18:27:13,425 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:13,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139611029] [2021-11-25 18:27:13,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139611029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:13,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:27:13,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:27:13,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186150210] [2021-11-25 18:27:13,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:13,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:27:13,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:13,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:27:13,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:27:13,432 INFO L87 Difference]: Start difference. First operand 1408 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:27:16,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:16,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:16,350 INFO L93 Difference]: Finished difference Result 1558 states and 2111 transitions. [2021-11-25 18:27:16,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:27:16,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2021-11-25 18:27:16,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:16,363 INFO L225 Difference]: With dead ends: 1558 [2021-11-25 18:27:16,364 INFO L226 Difference]: Without dead ends: 1555 [2021-11-25 18:27:16,365 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 18:27:16,367 INFO L933 BasicCegarLoop]: 574 mSDtfsCounter, 605 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:16,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [606 Valid, 715 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 18:27:16,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2021-11-25 18:27:16,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1555. [2021-11-25 18:27:16,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 990 states have (on average 1.3212121212121213) internal successors, (1308), 1018 states have internal predecessors, (1308), 401 states have call successors, (401), 166 states have call predecessors, (401), 163 states have return successors, (399), 388 states have call predecessors, (399), 397 states have call successors, (399) [2021-11-25 18:27:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2108 transitions. [2021-11-25 18:27:16,548 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2108 transitions. Word has length 33 [2021-11-25 18:27:16,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:16,549 INFO L470 AbstractCegarLoop]: Abstraction has 1555 states and 2108 transitions. [2021-11-25 18:27:16,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:27:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2108 transitions. [2021-11-25 18:27:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 18:27:16,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:16,552 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:27:16,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:27:16,552 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:16,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:16,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1740583293, now seen corresponding path program 1 times [2021-11-25 18:27:16,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:16,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067049766] [2021-11-25 18:27:16,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:16,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 18:27:16,764 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:16,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067049766] [2021-11-25 18:27:16,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067049766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:16,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:27:16,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:27:16,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574462456] [2021-11-25 18:27:16,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:16,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:27:16,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:16,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:27:16,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:27:16,771 INFO L87 Difference]: Start difference. First operand 1555 states and 2108 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:27:19,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:19,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:19,802 INFO L93 Difference]: Finished difference Result 1557 states and 2109 transitions. [2021-11-25 18:27:19,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:27:19,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2021-11-25 18:27:19,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:19,821 INFO L225 Difference]: With dead ends: 1557 [2021-11-25 18:27:19,821 INFO L226 Difference]: Without dead ends: 1554 [2021-11-25 18:27:19,823 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 18:27:19,827 INFO L933 BasicCegarLoop]: 572 mSDtfsCounter, 602 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:19,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [603 Valid, 713 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 18:27:19,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2021-11-25 18:27:19,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1554. [2021-11-25 18:27:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 990 states have (on average 1.3202020202020202) internal successors, (1307), 1017 states have internal predecessors, (1307), 400 states have call successors, (400), 166 states have call predecessors, (400), 163 states have return successors, (399), 388 states have call predecessors, (399), 397 states have call successors, (399) [2021-11-25 18:27:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2106 transitions. [2021-11-25 18:27:19,970 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2106 transitions. Word has length 34 [2021-11-25 18:27:19,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:19,971 INFO L470 AbstractCegarLoop]: Abstraction has 1554 states and 2106 transitions. [2021-11-25 18:27:19,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:27:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2106 transitions. [2021-11-25 18:27:19,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 18:27:19,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:19,978 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:27:19,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:27:19,978 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:19,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:19,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1876166790, now seen corresponding path program 1 times [2021-11-25 18:27:19,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:19,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936842814] [2021-11-25 18:27:19,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:19,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:20,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 18:27:20,175 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:20,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936842814] [2021-11-25 18:27:20,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936842814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:20,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:27:20,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:27:20,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544658951] [2021-11-25 18:27:20,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:20,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:27:20,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:20,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:27:20,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:27:20,181 INFO L87 Difference]: Start difference. First operand 1554 states and 2106 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:27:23,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:23,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:23,585 INFO L93 Difference]: Finished difference Result 1556 states and 2107 transitions. [2021-11-25 18:27:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:27:23,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2021-11-25 18:27:23,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:23,600 INFO L225 Difference]: With dead ends: 1556 [2021-11-25 18:27:23,600 INFO L226 Difference]: Without dead ends: 1553 [2021-11-25 18:27:23,601 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 18:27:23,602 INFO L933 BasicCegarLoop]: 570 mSDtfsCounter, 599 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:23,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [600 Valid, 711 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-25 18:27:23,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2021-11-25 18:27:23,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1553. [2021-11-25 18:27:23,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1553 states, 990 states have (on average 1.3191919191919192) internal successors, (1306), 1016 states have internal predecessors, (1306), 399 states have call successors, (399), 166 states have call predecessors, (399), 163 states have return successors, (399), 388 states have call predecessors, (399), 397 states have call successors, (399) [2021-11-25 18:27:23,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 2104 transitions. [2021-11-25 18:27:23,724 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 2104 transitions. Word has length 35 [2021-11-25 18:27:23,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:23,725 INFO L470 AbstractCegarLoop]: Abstraction has 1553 states and 2104 transitions. [2021-11-25 18:27:23,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:27:23,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2104 transitions. [2021-11-25 18:27:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 18:27:23,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:23,728 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:27:23,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:27:23,728 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:23,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:23,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1968692762, now seen corresponding path program 1 times [2021-11-25 18:27:23,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:23,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082707296] [2021-11-25 18:27:23,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:23,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 18:27:23,904 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:23,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082707296] [2021-11-25 18:27:23,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082707296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:23,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:27:23,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:27:23,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864184429] [2021-11-25 18:27:23,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:23,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:27:23,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:23,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:27:23,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:27:23,912 INFO L87 Difference]: Start difference. First operand 1553 states and 2104 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:27:26,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:27,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:27,042 INFO L93 Difference]: Finished difference Result 1555 states and 2105 transitions. [2021-11-25 18:27:27,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:27:27,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2021-11-25 18:27:27,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:27,057 INFO L225 Difference]: With dead ends: 1555 [2021-11-25 18:27:27,058 INFO L226 Difference]: Without dead ends: 1546 [2021-11-25 18:27:27,059 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 18:27:27,061 INFO L933 BasicCegarLoop]: 569 mSDtfsCounter, 596 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:27,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 710 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 18:27:27,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2021-11-25 18:27:27,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1546. [2021-11-25 18:27:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 984 states have (on average 1.3170731707317074) internal successors, (1296), 1009 states have internal predecessors, (1296), 398 states have call successors, (398), 166 states have call predecessors, (398), 163 states have return successors, (399), 388 states have call predecessors, (399), 397 states have call successors, (399) [2021-11-25 18:27:27,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2093 transitions. [2021-11-25 18:27:27,183 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2093 transitions. Word has length 36 [2021-11-25 18:27:27,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:27,184 INFO L470 AbstractCegarLoop]: Abstraction has 1546 states and 2093 transitions. [2021-11-25 18:27:27,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:27:27,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2093 transitions. [2021-11-25 18:27:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 18:27:27,193 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:27,193 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:27:27,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:27:27,194 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:27,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:27,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1689080798, now seen corresponding path program 1 times [2021-11-25 18:27:27,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:27,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700368972] [2021-11-25 18:27:27,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:27,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:27,466 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 18:27:27,466 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:27,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700368972] [2021-11-25 18:27:27,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700368972] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:27,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:27:27,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:27:27,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975161183] [2021-11-25 18:27:27,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:27,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:27:27,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:27,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:27:27,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:27:27,472 INFO L87 Difference]: Start difference. First operand 1546 states and 2093 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:27:30,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:30,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:30,852 INFO L93 Difference]: Finished difference Result 3650 states and 4918 transitions. [2021-11-25 18:27:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:27:30,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2021-11-25 18:27:30,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:30,871 INFO L225 Difference]: With dead ends: 3650 [2021-11-25 18:27:30,871 INFO L226 Difference]: Without dead ends: 2109 [2021-11-25 18:27:30,880 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 18:27:30,882 INFO L933 BasicCegarLoop]: 585 mSDtfsCounter, 194 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:30,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 1091 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 18:27:30,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2021-11-25 18:27:31,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 2104. [2021-11-25 18:27:31,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 1354 states have (on average 1.3183161004431314) internal successors, (1785), 1383 states have internal predecessors, (1785), 519 states have call successors, (519), 233 states have call predecessors, (519), 230 states have return successors, (520), 509 states have call predecessors, (520), 518 states have call successors, (520) [2021-11-25 18:27:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2824 transitions. [2021-11-25 18:27:31,075 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2824 transitions. Word has length 67 [2021-11-25 18:27:31,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:31,076 INFO L470 AbstractCegarLoop]: Abstraction has 2104 states and 2824 transitions. [2021-11-25 18:27:31,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:27:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2824 transitions. [2021-11-25 18:27:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-25 18:27:31,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:31,081 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:27:31,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:27:31,081 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:31,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:31,083 INFO L85 PathProgramCache]: Analyzing trace with hash -247941033, now seen corresponding path program 1 times [2021-11-25 18:27:31,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:31,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852016256] [2021-11-25 18:27:31,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:31,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:27:31,234 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:31,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852016256] [2021-11-25 18:27:31,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852016256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:31,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:27:31,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:27:31,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344144522] [2021-11-25 18:27:31,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:31,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:27:31,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:31,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:27:31,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:27:31,237 INFO L87 Difference]: Start difference. First operand 2104 states and 2824 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-25 18:27:34,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:34,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:34,911 INFO L93 Difference]: Finished difference Result 4794 states and 6438 transitions. [2021-11-25 18:27:34,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:27:34,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 79 [2021-11-25 18:27:34,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:34,937 INFO L225 Difference]: With dead ends: 4794 [2021-11-25 18:27:34,937 INFO L226 Difference]: Without dead ends: 2701 [2021-11-25 18:27:34,945 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 18:27:34,946 INFO L933 BasicCegarLoop]: 674 mSDtfsCounter, 198 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:34,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 1183 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 236 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-25 18:27:34,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2021-11-25 18:27:35,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2696. [2021-11-25 18:27:35,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2696 states, 1760 states have (on average 1.3232954545454545) internal successors, (2329), 1793 states have internal predecessors, (2329), 639 states have call successors, (639), 299 states have call predecessors, (639), 296 states have return successors, (640), 629 states have call predecessors, (640), 638 states have call successors, (640) [2021-11-25 18:27:35,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3608 transitions. [2021-11-25 18:27:35,186 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3608 transitions. Word has length 79 [2021-11-25 18:27:35,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:35,187 INFO L470 AbstractCegarLoop]: Abstraction has 2696 states and 3608 transitions. [2021-11-25 18:27:35,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-25 18:27:35,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3608 transitions. [2021-11-25 18:27:35,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 18:27:35,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:35,193 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:27:35,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:27:35,193 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:35,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:35,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1093802851, now seen corresponding path program 1 times [2021-11-25 18:27:35,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:35,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892757729] [2021-11-25 18:27:35,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:35,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:27:35,496 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:35,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892757729] [2021-11-25 18:27:35,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892757729] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:27:35,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310653832] [2021-11-25 18:27:35,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:35,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:27:35,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:27:35,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:27:35,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:27:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:36,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:27:36,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:27:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-25 18:27:36,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:27:36,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310653832] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:36,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:27:36,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2021-11-25 18:27:36,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943526236] [2021-11-25 18:27:36,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:36,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:27:36,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:36,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:27:36,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:27:36,611 INFO L87 Difference]: Start difference. First operand 2696 states and 3608 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 18:27:40,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:41,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:41,437 INFO L93 Difference]: Finished difference Result 5357 states and 7400 transitions. [2021-11-25 18:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:27:41,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 88 [2021-11-25 18:27:41,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:41,474 INFO L225 Difference]: With dead ends: 5357 [2021-11-25 18:27:41,475 INFO L226 Difference]: Without dead ends: 3733 [2021-11-25 18:27:41,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:27:41,487 INFO L933 BasicCegarLoop]: 711 mSDtfsCounter, 284 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 80 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:41,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 1830 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 319 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2021-11-25 18:27:41,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3733 states. [2021-11-25 18:27:41,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3733 to 2704. [2021-11-25 18:27:41,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 1768 states have (on average 1.3218325791855203) internal successors, (2337), 1801 states have internal predecessors, (2337), 639 states have call successors, (639), 299 states have call predecessors, (639), 296 states have return successors, (640), 629 states have call predecessors, (640), 638 states have call successors, (640) [2021-11-25 18:27:41,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3616 transitions. [2021-11-25 18:27:41,816 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3616 transitions. Word has length 88 [2021-11-25 18:27:41,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:41,817 INFO L470 AbstractCegarLoop]: Abstraction has 2704 states and 3616 transitions. [2021-11-25 18:27:41,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 18:27:41,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3616 transitions. [2021-11-25 18:27:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-25 18:27:41,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:41,823 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:27:41,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:27:42,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-25 18:27:42,050 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:42,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:42,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1841066652, now seen corresponding path program 1 times [2021-11-25 18:27:42,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:42,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637843572] [2021-11-25 18:27:42,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:42,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-25 18:27:42,358 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:42,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637843572] [2021-11-25 18:27:42,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637843572] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:27:42,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995257750] [2021-11-25 18:27:42,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:42,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:27:42,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:27:42,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:27:42,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:27:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:43,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:27:43,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:27:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 29 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-25 18:27:43,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:27:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-25 18:27:44,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995257750] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-25 18:27:44,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:27:44,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 6] total 11 [2021-11-25 18:27:44,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179627696] [2021-11-25 18:27:44,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:44,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:27:44,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:44,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:27:44,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:27:44,131 INFO L87 Difference]: Start difference. First operand 2704 states and 3616 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-25 18:27:47,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:48,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:48,693 INFO L93 Difference]: Finished difference Result 6517 states and 8733 transitions. [2021-11-25 18:27:48,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:27:48,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 97 [2021-11-25 18:27:48,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:48,724 INFO L225 Difference]: With dead ends: 6517 [2021-11-25 18:27:48,724 INFO L226 Difference]: Without dead ends: 3824 [2021-11-25 18:27:48,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:27:48,734 INFO L933 BasicCegarLoop]: 625 mSDtfsCounter, 1196 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 390 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:48,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1241 Valid, 1305 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 440 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2021-11-25 18:27:48,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2021-11-25 18:27:48,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3572. [2021-11-25 18:27:49,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 2340 states have (on average 1.3235042735042735) internal successors, (3097), 2385 states have internal predecessors, (3097), 817 states have call successors, (817), 419 states have call predecessors, (817), 414 states have return successors, (820), 803 states have call predecessors, (820), 816 states have call successors, (820) [2021-11-25 18:27:49,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 4734 transitions. [2021-11-25 18:27:49,041 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 4734 transitions. Word has length 97 [2021-11-25 18:27:49,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:49,043 INFO L470 AbstractCegarLoop]: Abstraction has 3572 states and 4734 transitions. [2021-11-25 18:27:49,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-25 18:27:49,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 4734 transitions. [2021-11-25 18:27:49,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-25 18:27:49,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:49,050 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:27:49,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:27:49,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-25 18:27:49,274 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:49,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:49,274 INFO L85 PathProgramCache]: Analyzing trace with hash 2064045475, now seen corresponding path program 1 times [2021-11-25 18:27:49,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:49,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588521064] [2021-11-25 18:27:49,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:49,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:49,563 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:27:49,563 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:49,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588521064] [2021-11-25 18:27:49,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588521064] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:27:49,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326569748] [2021-11-25 18:27:49,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:49,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:27:49,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:27:49,566 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:27:49,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:27:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:50,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1353 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:27:50,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:27:51,126 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 31 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:27:51,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:27:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:27:51,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326569748] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:27:51,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1670853110] [2021-11-25 18:27:51,954 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2021-11-25 18:27:51,954 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:27:51,960 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:27:51,967 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:27:51,968 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:27:53,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:53,978 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-11-25 18:27:54,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 66 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 98 [2021-11-25 18:27:54,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:27:54,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 85 [2021-11-25 18:27:55,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,511 INFO L244 Elim1Store]: Index analysis took 274 ms [2021-11-25 18:27:55,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 89 [2021-11-25 18:27:55,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:55,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 9 [2021-11-25 18:27:57,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 321 [2021-11-25 18:27:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,668 INFO L244 Elim1Store]: Index analysis took 556 ms [2021-11-25 18:27:57,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 73 [2021-11-25 18:27:57,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:57,867 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-11-25 18:27:57,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2021-11-25 18:27:58,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 321 [2021-11-25 18:27:59,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,652 INFO L244 Elim1Store]: Index analysis took 609 ms [2021-11-25 18:27:59,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 73 [2021-11-25 18:27:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:59,851 INFO L244 Elim1Store]: Index analysis took 138 ms [2021-11-25 18:27:59,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2021-11-25 18:29:51,095 INFO L197 IcfgInterpreter]: Interpreting procedure can_led_event with input of size 210 for LOIs [2021-11-25 18:29:51,132 INFO L197 IcfgInterpreter]: Interpreting procedure close_candev with input of size 222 for LOIs [2021-11-25 18:29:51,212 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 123 for LOIs [2021-11-25 18:29:51,274 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_alloc_urb with input of size 222 for LOIs [2021-11-25 18:29:53,553 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 213 for LOIs [2021-11-25 18:29:53,630 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 122 for LOIs [2021-11-25 18:29:53,646 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 221 for LOIs [2021-11-25 18:29:53,880 INFO L197 IcfgInterpreter]: Interpreting procedure netdev_priv with input of size 202 for LOIs [2021-11-25 18:29:53,906 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:30:02,356 WARN L227 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 995 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:30:16,150 WARN L227 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 654 DAG size of output: 651 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:31:16,786 WARN L227 SmtUtils]: Spent 8.34s on a formula simplification. DAG size of input: 453 DAG size of output: 339 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:31:22,791 WARN L227 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 445 DAG size of output: 313 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:31:53,528 WARN L227 SmtUtils]: Spent 9.77s on a formula simplification. DAG size of input: 456 DAG size of output: 309 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:32:00,458 WARN L227 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 456 DAG size of output: 354 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:32:07,575 WARN L227 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 463 DAG size of output: 361 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:32:19,873 WARN L227 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 464 DAG size of output: 347 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:32:34,821 WARN L227 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 473 DAG size of output: 321 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:32:37,076 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '75327#(and (<= 0 ~ldv_state_variable_2~0) (= ~__mod_usb_device_table~0.bInterfaceClass 0) (= ~__mod_usb_device_table~0.bcdDevice_hi 0) (= ~INTERF_STATE~0 0) (= |~#usb_8dev_table~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (<= ~usb_8dev_driver_group1~0.offset 0) (<= ~usb_8dev_netdev_ops_group1~0.offset 0) (= ~ldv_retval_1~0 0) (= ~__mod_usb_device_table~0.idVendor 0) (= ~usb_intfdata~0.base 0) (= ~completeFnBulk~0.base 0) (= ~completeFnBulkCounter~0 0) (<= 0 ~usb_8dev_driver_group1~0.offset) (= ~__mod_usb_device_table~0.bcdDevice_lo 0) (= ~__mod_usb_device_table~0.bDeviceProtocol 0) (= |~#usb_8dev_bittiming_const~0.base| 39) (= |~#usb_8dev_table~0.base| 37) (= ~__mod_usb_device_table~0.idProduct 0) (<= ~ldv_retval_3~0 0) (= ~__mod_usb_device_table~0.match_flags 0) (= ~__mod_usb_device_table~0.driver_info 0) (= ~ldv_state_variable_1~0 0) (= ~usb_dev~0.base 0) (= |~#usb_8dev_bittiming_const~0.offset| 0) (<= ~usb_8dev_driver_group1~0.base 0) (= ~ldv_state_variable_0~0 2) (= ~usb_dev~0.offset 0) (= ~dev_counter~0 0) (= ~__mod_usb_device_table~0.bDeviceClass 0) (<= 0 (+ ~ldv_retval_3~0 12)) (not (= (mod (+ ~usb_urb~0.base ~usb_urb~0.offset) 18446744073709551616) 0)) (= ~__mod_usb_device_table~0.bInterfaceSubClass 0) (= |~#usb_8dev_driver~0.offset| 0) (= ~ref_cnt~0 0) (= ~completeFnInt~0.base 0) (<= 0 ~usb_8dev_netdev_ops_group1~0.offset) (= ~__mod_usb_device_table~0.bInterfaceNumber 0) (= ~completeFnInt~0.offset 0) (= ~usb_intfdata~0.offset 0) (= |~#usb_8dev_netdev_ops~0.offset| 0) (= ~completeFnBulk~0.offset 0) (= ~__mod_usb_device_table~0.bDeviceSubClass 0) (= |#NULL.offset| 0) (<= ~usb_8dev_netdev_ops_group1~0.base 0) (= ~ldv_retval_0~0 0) (<= 0 ~usb_counter~0) (= 38 |~#usb_8dev_netdev_ops~0.base|) (= ~__mod_usb_device_table~0.bInterfaceProtocol 0) (= ~SERIAL_STATE~0 0) (= ~completeFnIntCounter~0 0) (<= 0 |#StackHeapBarrier|) (<= 0 ~usb_8dev_netdev_ops_group1~0.base) (= 40 |~#usb_8dev_driver~0.base|) (= |#NULL.base| 0) (<= 0 ~usb_8dev_driver_group1~0.base))' at error location [2021-11-25 18:32:37,077 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:32:37,077 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 18:32:37,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 14 [2021-11-25 18:32:37,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184846326] [2021-11-25 18:32:37,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 18:32:37,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 18:32:37,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:32:37,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 18:32:37,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=4789, Unknown=0, NotChecked=0, Total=5256 [2021-11-25 18:32:37,081 INFO L87 Difference]: Start difference. First operand 3572 states and 4734 transitions. Second operand has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 8 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2021-11-25 18:32:49,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:55,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:32:55,062 INFO L93 Difference]: Finished difference Result 23187 states and 30803 transitions. [2021-11-25 18:32:55,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 18:32:55,063 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 8 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 96 [2021-11-25 18:32:55,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:32:55,190 INFO L225 Difference]: With dead ends: 23187 [2021-11-25 18:32:55,190 INFO L226 Difference]: Without dead ends: 19618 [2021-11-25 18:32:55,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 221 SyntacticMatches, 7 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3053 ImplicationChecksByTransitivity, 164.9s TimeCoverageRelationStatistics Valid=727, Invalid=6755, Unknown=0, NotChecked=0, Total=7482 [2021-11-25 18:32:55,215 INFO L933 BasicCegarLoop]: 1467 mSDtfsCounter, 5731 mSDsluCounter, 5755 mSDsCounter, 0 mSdLazyCounter, 5954 mSolverCounterSat, 3033 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5767 SdHoareTripleChecker+Valid, 5797 SdHoareTripleChecker+Invalid, 8988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3033 IncrementalHoareTripleChecker+Valid, 5954 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:32:55,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5767 Valid, 5797 Invalid, 8988 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3033 Valid, 5954 Invalid, 1 Unknown, 0 Unchecked, 15.2s Time] [2021-11-25 18:32:55,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19618 states. [2021-11-25 18:32:56,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19618 to 16526. [2021-11-25 18:32:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16526 states, 11011 states have (on average 1.339115430024521) internal successors, (14745), 11226 states have internal predecessors, (14745), 3635 states have call successors, (3635), 1892 states have call predecessors, (3635), 1879 states have return successors, (3646), 3549 states have call predecessors, (3646), 3634 states have call successors, (3646) [2021-11-25 18:32:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16526 states to 16526 states and 22026 transitions. [2021-11-25 18:32:56,599 INFO L78 Accepts]: Start accepts. Automaton has 16526 states and 22026 transitions. Word has length 96 [2021-11-25 18:32:56,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:32:56,600 INFO L470 AbstractCegarLoop]: Abstraction has 16526 states and 22026 transitions. [2021-11-25 18:32:56,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 8 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2021-11-25 18:32:56,600 INFO L276 IsEmpty]: Start isEmpty. Operand 16526 states and 22026 transitions. [2021-11-25 18:32:56,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 18:32:56,620 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:32:56,620 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:32:56,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:32:56,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:32:56,842 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:32:56,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:32:56,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1268584983, now seen corresponding path program 1 times [2021-11-25 18:32:56,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:32:56,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68967902] [2021-11-25 18:32:56,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:32:56,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:32:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:32:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-25 18:32:57,147 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:32:57,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68967902] [2021-11-25 18:32:57,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68967902] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:32:57,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915097416] [2021-11-25 18:32:57,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:32:57,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:32:57,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:32:57,149 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:32:57,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:32:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:32:57,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:32:57,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:32:58,045 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-25 18:32:58,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:32:58,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915097416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:32:58,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:32:58,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-11-25 18:32:58,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864413632] [2021-11-25 18:32:58,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:32:58,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:32:58,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:32:58,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:32:58,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:32:58,049 INFO L87 Difference]: Start difference. First operand 16526 states and 22026 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-25 18:33:01,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:33:01,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:33:01,867 INFO L93 Difference]: Finished difference Result 24349 states and 32482 transitions. [2021-11-25 18:33:01,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:33:01,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 105 [2021-11-25 18:33:01,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:33:01,901 INFO L225 Difference]: With dead ends: 24349 [2021-11-25 18:33:01,901 INFO L226 Difference]: Without dead ends: 7438 [2021-11-25 18:33:01,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:33:01,948 INFO L933 BasicCegarLoop]: 674 mSDtfsCounter, 536 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:33:01,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [537 Valid, 942 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-25 18:33:01,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7438 states. [2021-11-25 18:33:02,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7438 to 7021. [2021-11-25 18:33:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7021 states, 4653 states have (on average 1.327745540511498) internal successors, (6178), 4752 states have internal predecessors, (6178), 1562 states have call successors, (1562), 812 states have call predecessors, (1562), 805 states have return successors, (1567), 1521 states have call predecessors, (1567), 1561 states have call successors, (1567) [2021-11-25 18:33:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7021 states to 7021 states and 9307 transitions. [2021-11-25 18:33:02,448 INFO L78 Accepts]: Start accepts. Automaton has 7021 states and 9307 transitions. Word has length 105 [2021-11-25 18:33:02,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:33:02,449 INFO L470 AbstractCegarLoop]: Abstraction has 7021 states and 9307 transitions. [2021-11-25 18:33:02,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-25 18:33:02,450 INFO L276 IsEmpty]: Start isEmpty. Operand 7021 states and 9307 transitions. [2021-11-25 18:33:02,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-25 18:33:02,462 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:33:02,462 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:33:02,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:33:02,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:33:02,678 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:33:02,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:33:02,678 INFO L85 PathProgramCache]: Analyzing trace with hash 557410077, now seen corresponding path program 1 times [2021-11-25 18:33:02,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:33:02,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260352921] [2021-11-25 18:33:02,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:33:02,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:33:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:33:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-25 18:33:03,140 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:33:03,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260352921] [2021-11-25 18:33:03,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260352921] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:33:03,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:33:03,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 18:33:03,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150962627] [2021-11-25 18:33:03,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:33:03,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:33:03,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:33:03,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:33:03,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:33:03,142 INFO L87 Difference]: Start difference. First operand 7021 states and 9307 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-25 18:33:09,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:33:11,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:33:11,719 INFO L93 Difference]: Finished difference Result 10816 states and 14510 transitions. [2021-11-25 18:33:11,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 18:33:11,720 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 106 [2021-11-25 18:33:11,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:33:11,776 INFO L225 Difference]: With dead ends: 10816 [2021-11-25 18:33:11,776 INFO L226 Difference]: Without dead ends: 10542 [2021-11-25 18:33:11,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:33:11,786 INFO L933 BasicCegarLoop]: 470 mSDtfsCounter, 753 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 434 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 2740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:33:11,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [865 Valid, 1539 Invalid, 2740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 2305 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2021-11-25 18:33:11,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10542 states. [2021-11-25 18:33:12,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10542 to 10466. [2021-11-25 18:33:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10466 states, 6904 states have (on average 1.3238702201622248) internal successors, (9140), 7075 states have internal predecessors, (9140), 2354 states have call successors, (2354), 1190 states have call predecessors, (2354), 1207 states have return successors, (2491), 2304 states have call predecessors, (2491), 2353 states have call successors, (2491) [2021-11-25 18:33:12,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10466 states to 10466 states and 13985 transitions. [2021-11-25 18:33:12,680 INFO L78 Accepts]: Start accepts. Automaton has 10466 states and 13985 transitions. Word has length 106 [2021-11-25 18:33:12,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:33:12,681 INFO L470 AbstractCegarLoop]: Abstraction has 10466 states and 13985 transitions. [2021-11-25 18:33:12,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-25 18:33:12,681 INFO L276 IsEmpty]: Start isEmpty. Operand 10466 states and 13985 transitions. [2021-11-25 18:33:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-25 18:33:12,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:33:12,698 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:33:12,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 18:33:12,699 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:33:12,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:33:12,699 INFO L85 PathProgramCache]: Analyzing trace with hash -698108351, now seen corresponding path program 1 times [2021-11-25 18:33:12,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:33:12,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744861727] [2021-11-25 18:33:12,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:33:12,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:33:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:33:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-25 18:33:13,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:33:13,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744861727] [2021-11-25 18:33:13,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744861727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:33:13,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:33:13,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:33:13,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250889664] [2021-11-25 18:33:13,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:33:13,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:33:13,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:33:13,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:33:13,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:33:13,020 INFO L87 Difference]: Start difference. First operand 10466 states and 13985 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 18:33:19,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:33:20,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:33:20,781 INFO L93 Difference]: Finished difference Result 18317 states and 25077 transitions. [2021-11-25 18:33:20,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:33:20,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2021-11-25 18:33:20,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:33:20,860 INFO L225 Difference]: With dead ends: 18317 [2021-11-25 18:33:20,861 INFO L226 Difference]: Without dead ends: 17928 [2021-11-25 18:33:20,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:33:20,872 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 517 mSDsluCounter, 2334 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:33:20,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [524 Valid, 2667 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1239 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2021-11-25 18:33:20,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17928 states. [2021-11-25 18:33:21,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17928 to 12987. [2021-11-25 18:33:21,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12987 states, 8591 states have (on average 1.3248748690490049) internal successors, (11382), 8798 states have internal predecessors, (11382), 2900 states have call successors, (2900), 1478 states have call predecessors, (2900), 1495 states have return successors, (3067), 2829 states have call predecessors, (3067), 2899 states have call successors, (3067) [2021-11-25 18:33:22,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12987 states to 12987 states and 17349 transitions. [2021-11-25 18:33:22,037 INFO L78 Accepts]: Start accepts. Automaton has 12987 states and 17349 transitions. Word has length 110 [2021-11-25 18:33:22,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:33:22,038 INFO L470 AbstractCegarLoop]: Abstraction has 12987 states and 17349 transitions. [2021-11-25 18:33:22,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 18:33:22,038 INFO L276 IsEmpty]: Start isEmpty. Operand 12987 states and 17349 transitions. [2021-11-25 18:33:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-25 18:33:22,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:33:22,066 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:33:22,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 18:33:22,066 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:33:22,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:33:22,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1405959307, now seen corresponding path program 1 times [2021-11-25 18:33:22,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:33:22,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69104796] [2021-11-25 18:33:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:33:22,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:33:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:33:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-25 18:33:22,647 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:33:22,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69104796] [2021-11-25 18:33:22,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69104796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:33:22,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:33:22,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:33:22,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221189793] [2021-11-25 18:33:22,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:33:22,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:33:22,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:33:22,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:33:22,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:33:22,650 INFO L87 Difference]: Start difference. First operand 12987 states and 17349 transitions. Second operand has 10 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-11-25 18:33:32,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:33:34,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:33:34,803 INFO L93 Difference]: Finished difference Result 23258 states and 31601 transitions. [2021-11-25 18:33:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:33:34,804 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 125 [2021-11-25 18:33:34,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:33:34,919 INFO L225 Difference]: With dead ends: 23258 [2021-11-25 18:33:34,920 INFO L226 Difference]: Without dead ends: 22988 [2021-11-25 18:33:34,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-25 18:33:34,936 INFO L933 BasicCegarLoop]: 587 mSDtfsCounter, 672 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 3720 mSolverCounterSat, 317 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 4038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 3720 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:33:34,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [798 Valid, 2339 Invalid, 4038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 3720 Invalid, 1 Unknown, 0 Unchecked, 10.6s Time] [2021-11-25 18:33:34,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22988 states. [2021-11-25 18:33:36,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22988 to 18065. [2021-11-25 18:33:36,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18065 states, 11983 states have (on average 1.3255445214053243) internal successors, (15884), 12262 states have internal predecessors, (15884), 3992 states have call successors, (3992), 2054 states have call predecessors, (3992), 2089 states have return successors, (4219), 3897 states have call predecessors, (4219), 3991 states have call successors, (4219) [2021-11-25 18:33:36,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18065 states to 18065 states and 24095 transitions. [2021-11-25 18:33:36,387 INFO L78 Accepts]: Start accepts. Automaton has 18065 states and 24095 transitions. Word has length 125 [2021-11-25 18:33:36,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:33:36,388 INFO L470 AbstractCegarLoop]: Abstraction has 18065 states and 24095 transitions. [2021-11-25 18:33:36,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-11-25 18:33:36,389 INFO L276 IsEmpty]: Start isEmpty. Operand 18065 states and 24095 transitions. [2021-11-25 18:33:36,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-25 18:33:36,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:33:36,426 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:33:36,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 18:33:36,427 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:33:36,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:33:36,428 INFO L85 PathProgramCache]: Analyzing trace with hash -336142601, now seen corresponding path program 1 times [2021-11-25 18:33:36,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:33:36,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926128664] [2021-11-25 18:33:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:33:36,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:33:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:33:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 45 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-25 18:33:36,874 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:33:36,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926128664] [2021-11-25 18:33:36,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926128664] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:33:36,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146060364] [2021-11-25 18:33:36,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:33:36,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:33:36,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:33:36,878 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:33:36,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:33:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:33:37,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-25 18:33:37,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:33:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 18:33:38,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:33:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-25 18:33:38,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146060364] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-25 18:33:38,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:33:38,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 5] total 15 [2021-11-25 18:33:38,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492806582] [2021-11-25 18:33:38,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:33:38,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:33:38,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:33:38,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:33:38,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-11-25 18:33:38,416 INFO L87 Difference]: Start difference. First operand 18065 states and 24095 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-25 18:33:43,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:33:44,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:33:44,574 INFO L93 Difference]: Finished difference Result 41878 states and 56401 transitions. [2021-11-25 18:33:44,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:33:44,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 125 [2021-11-25 18:33:44,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:33:44,694 INFO L225 Difference]: With dead ends: 41878 [2021-11-25 18:33:44,694 INFO L226 Difference]: Without dead ends: 24556 [2021-11-25 18:33:44,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-11-25 18:33:44,754 INFO L933 BasicCegarLoop]: 681 mSDtfsCounter, 852 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 213 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:33:44,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [866 Valid, 1285 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 513 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-11-25 18:33:44,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24556 states. [2021-11-25 18:33:46,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24556 to 22295. [2021-11-25 18:33:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22295 states, 14863 states have (on average 1.3296777232052748) internal successors, (19763), 15190 states have internal predecessors, (19763), 4862 states have call successors, (4862), 2534 states have call predecessors, (4862), 2569 states have return successors, (5089), 4749 states have call predecessors, (5089), 4861 states have call successors, (5089) [2021-11-25 18:33:46,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22295 states to 22295 states and 29714 transitions. [2021-11-25 18:33:46,621 INFO L78 Accepts]: Start accepts. Automaton has 22295 states and 29714 transitions. Word has length 125 [2021-11-25 18:33:46,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:33:46,622 INFO L470 AbstractCegarLoop]: Abstraction has 22295 states and 29714 transitions. [2021-11-25 18:33:46,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-25 18:33:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 22295 states and 29714 transitions. [2021-11-25 18:33:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-25 18:33:46,674 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:33:46,675 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:33:46,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-25 18:33:46,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-25 18:33:46,897 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:33:46,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:33:46,898 INFO L85 PathProgramCache]: Analyzing trace with hash 760544889, now seen corresponding path program 1 times [2021-11-25 18:33:46,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:33:46,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908438346] [2021-11-25 18:33:46,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:33:46,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:33:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:33:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-25 18:33:47,057 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:33:47,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908438346] [2021-11-25 18:33:47,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908438346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:33:47,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:33:47,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:33:47,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153572116] [2021-11-25 18:33:47,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:33:47,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:33:47,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:33:47,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:33:47,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:33:47,062 INFO L87 Difference]: Start difference. First operand 22295 states and 29714 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:33:50,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:33:52,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:33:52,627 INFO L93 Difference]: Finished difference Result 53483 states and 73582 transitions. [2021-11-25 18:33:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:33:52,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2021-11-25 18:33:52,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:33:52,782 INFO L225 Difference]: With dead ends: 53483 [2021-11-25 18:33:52,782 INFO L226 Difference]: Without dead ends: 31931 [2021-11-25 18:33:52,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:33:52,837 INFO L933 BasicCegarLoop]: 664 mSDtfsCounter, 179 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:33:52,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 1194 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 208 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-25 18:33:52,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31931 states. [2021-11-25 18:33:54,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31931 to 22457. [2021-11-25 18:33:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22457 states, 14965 states have (on average 1.3278316070831941) internal successors, (19871), 15292 states have internal predecessors, (19871), 4922 states have call successors, (4922), 2534 states have call predecessors, (4922), 2569 states have return successors, (5155), 4809 states have call predecessors, (5155), 4921 states have call successors, (5155) [2021-11-25 18:33:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22457 states to 22457 states and 29948 transitions. [2021-11-25 18:33:54,751 INFO L78 Accepts]: Start accepts. Automaton has 22457 states and 29948 transitions. Word has length 139 [2021-11-25 18:33:54,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:33:54,752 INFO L470 AbstractCegarLoop]: Abstraction has 22457 states and 29948 transitions. [2021-11-25 18:33:54,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:33:54,753 INFO L276 IsEmpty]: Start isEmpty. Operand 22457 states and 29948 transitions. [2021-11-25 18:33:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-25 18:33:54,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:33:54,808 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:33:54,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 18:33:54,808 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:33:54,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:33:54,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1269342982, now seen corresponding path program 1 times [2021-11-25 18:33:54,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:33:54,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844569113] [2021-11-25 18:33:54,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:33:54,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:33:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:33:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-25 18:33:54,993 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:33:54,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844569113] [2021-11-25 18:33:54,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844569113] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:33:54,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398990981] [2021-11-25 18:33:54,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:33:54,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:33:54,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:33:54,996 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:33:55,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 18:33:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:33:55,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:33:55,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:33:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-25 18:33:55,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:33:55,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398990981] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:33:55,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:33:55,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-25 18:33:55,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568219148] [2021-11-25 18:33:55,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:33:55,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:33:55,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:33:55,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:33:55,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:33:55,937 INFO L87 Difference]: Start difference. First operand 22457 states and 29948 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:33:59,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:01,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:34:01,078 INFO L93 Difference]: Finished difference Result 47633 states and 64376 transitions. [2021-11-25 18:34:01,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:34:01,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2021-11-25 18:34:01,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:34:01,211 INFO L225 Difference]: With dead ends: 47633 [2021-11-25 18:34:01,212 INFO L226 Difference]: Without dead ends: 25919 [2021-11-25 18:34:01,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:34:01,272 INFO L933 BasicCegarLoop]: 756 mSDtfsCounter, 169 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:34:01,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 1321 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 18:34:01,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25919 states. [2021-11-25 18:34:03,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25919 to 22463. [2021-11-25 18:34:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22463 states, 14971 states have (on average 1.3277002204261572) internal successors, (19877), 15298 states have internal predecessors, (19877), 4922 states have call successors, (4922), 2534 states have call predecessors, (4922), 2569 states have return successors, (5155), 4809 states have call predecessors, (5155), 4921 states have call successors, (5155) [2021-11-25 18:34:03,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 29954 transitions. [2021-11-25 18:34:03,257 INFO L78 Accepts]: Start accepts. Automaton has 22463 states and 29954 transitions. Word has length 150 [2021-11-25 18:34:03,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:34:03,258 INFO L470 AbstractCegarLoop]: Abstraction has 22463 states and 29954 transitions. [2021-11-25 18:34:03,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:34:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 22463 states and 29954 transitions. [2021-11-25 18:34:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-25 18:34:03,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:34:03,290 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:34:03,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 18:34:03,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-25 18:34:03,518 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:34:03,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:34:03,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1476885814, now seen corresponding path program 1 times [2021-11-25 18:34:03,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:34:03,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101818590] [2021-11-25 18:34:03,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:03,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:34:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-25 18:34:04,010 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:34:04,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101818590] [2021-11-25 18:34:04,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101818590] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:34:04,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116427655] [2021-11-25 18:34:04,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:04,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:34:04,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:34:04,013 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:34:04,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 18:34:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:04,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 1675 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-25 18:34:04,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:34:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 72 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 18:34:05,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:34:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-25 18:34:06,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116427655] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-25 18:34:06,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:34:06,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9, 8] total 20 [2021-11-25 18:34:06,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331091904] [2021-11-25 18:34:06,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:34:06,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 18:34:06,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:34:06,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 18:34:06,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:34:06,116 INFO L87 Difference]: Start difference. First operand 22463 states and 29954 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-25 18:34:12,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:15,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:34:15,231 INFO L93 Difference]: Finished difference Result 55300 states and 75322 transitions. [2021-11-25 18:34:15,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 18:34:15,231 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 154 [2021-11-25 18:34:15,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:34:15,395 INFO L225 Difference]: With dead ends: 55300 [2021-11-25 18:34:15,395 INFO L226 Difference]: Without dead ends: 33580 [2021-11-25 18:34:15,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2021-11-25 18:34:15,466 INFO L933 BasicCegarLoop]: 683 mSDtfsCounter, 972 mSDsluCounter, 1994 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 127 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 2243 SdHoareTripleChecker+Invalid, 1674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:34:15,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [976 Valid, 2243 Invalid, 1674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1546 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2021-11-25 18:34:15,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33580 states. [2021-11-25 18:34:17,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33580 to 22589. [2021-11-25 18:34:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22589 states, 15079 states have (on average 1.3265468532396048) internal successors, (20003), 15406 states have internal predecessors, (20003), 4940 states have call successors, (4940), 2534 states have call predecessors, (4940), 2569 states have return successors, (5173), 4827 states have call predecessors, (5173), 4939 states have call successors, (5173) [2021-11-25 18:34:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22589 states to 22589 states and 30116 transitions. [2021-11-25 18:34:17,557 INFO L78 Accepts]: Start accepts. Automaton has 22589 states and 30116 transitions. Word has length 154 [2021-11-25 18:34:17,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:34:17,559 INFO L470 AbstractCegarLoop]: Abstraction has 22589 states and 30116 transitions. [2021-11-25 18:34:17,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-25 18:34:17,559 INFO L276 IsEmpty]: Start isEmpty. Operand 22589 states and 30116 transitions. [2021-11-25 18:34:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-25 18:34:17,739 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:34:17,739 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:34:17,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-25 18:34:17,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:34:17,940 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:34:17,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:34:17,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1743039483, now seen corresponding path program 1 times [2021-11-25 18:34:17,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:34:17,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555554990] [2021-11-25 18:34:17,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:17,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:34:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:18,294 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-25 18:34:18,295 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:34:18,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555554990] [2021-11-25 18:34:18,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555554990] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:34:18,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:34:18,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 18:34:18,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478679676] [2021-11-25 18:34:18,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:34:18,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 18:34:18,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:34:18,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 18:34:18,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:34:18,297 INFO L87 Difference]: Start difference. First operand 22589 states and 30116 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:34:24,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:26,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:34:26,555 INFO L93 Difference]: Finished difference Result 51147 states and 70039 transitions. [2021-11-25 18:34:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:34:26,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) Word has length 157 [2021-11-25 18:34:26,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:34:26,680 INFO L225 Difference]: With dead ends: 51147 [2021-11-25 18:34:26,681 INFO L226 Difference]: Without dead ends: 29301 [2021-11-25 18:34:26,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:34:26,733 INFO L933 BasicCegarLoop]: 766 mSDtfsCounter, 172 mSDsluCounter, 4205 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 4393 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:34:26,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 4393 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 723 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2021-11-25 18:34:26,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29301 states. [2021-11-25 18:34:28,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29301 to 22625. [2021-11-25 18:34:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22625 states, 15109 states have (on average 1.3258984711099344) internal successors, (20033), 15424 states have internal predecessors, (20033), 4940 states have call successors, (4940), 2534 states have call predecessors, (4940), 2575 states have return successors, (5185), 4845 states have call predecessors, (5185), 4939 states have call successors, (5185) [2021-11-25 18:34:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22625 states to 22625 states and 30158 transitions. [2021-11-25 18:34:28,991 INFO L78 Accepts]: Start accepts. Automaton has 22625 states and 30158 transitions. Word has length 157 [2021-11-25 18:34:28,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:34:28,991 INFO L470 AbstractCegarLoop]: Abstraction has 22625 states and 30158 transitions. [2021-11-25 18:34:28,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:34:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 22625 states and 30158 transitions. [2021-11-25 18:34:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-25 18:34:29,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:34:29,010 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:34:29,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-25 18:34:29,010 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:34:29,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:34:29,011 INFO L85 PathProgramCache]: Analyzing trace with hash 825970601, now seen corresponding path program 1 times [2021-11-25 18:34:29,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:34:29,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927909153] [2021-11-25 18:34:29,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:29,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:34:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-25 18:34:29,718 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:34:29,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927909153] [2021-11-25 18:34:29,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927909153] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:34:29,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:34:29,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:34:29,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568897409] [2021-11-25 18:34:29,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:34:29,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:34:29,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:34:29,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:34:29,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:34:29,720 INFO L87 Difference]: Start difference. First operand 22625 states and 30158 transitions. Second operand has 10 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-25 18:34:39,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:43,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:34:43,877 INFO L93 Difference]: Finished difference Result 31200 states and 41540 transitions. [2021-11-25 18:34:43,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:34:43,877 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 161 [2021-11-25 18:34:43,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:34:44,072 INFO L225 Difference]: With dead ends: 31200 [2021-11-25 18:34:44,073 INFO L226 Difference]: Without dead ends: 30930 [2021-11-25 18:34:44,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-25 18:34:44,081 INFO L933 BasicCegarLoop]: 619 mSDtfsCounter, 845 mSDsluCounter, 1955 mSDsCounter, 0 mSdLazyCounter, 3440 mSolverCounterSat, 422 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 2284 SdHoareTripleChecker+Invalid, 3863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 3440 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:34:44,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [965 Valid, 2284 Invalid, 3863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 3440 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2021-11-25 18:34:44,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30930 states. [2021-11-25 18:34:45,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30930 to 24406. [2021-11-25 18:34:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24406 states, 16313 states have (on average 1.326304174584687) internal successors, (21636), 16653 states have internal predecessors, (21636), 5307 states have call successors, (5307), 2738 states have call predecessors, (5307), 2785 states have return successors, (5564), 5205 states have call predecessors, (5564), 5306 states have call successors, (5564) [2021-11-25 18:34:45,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24406 states to 24406 states and 32507 transitions. [2021-11-25 18:34:45,999 INFO L78 Accepts]: Start accepts. Automaton has 24406 states and 32507 transitions. Word has length 161 [2021-11-25 18:34:46,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:34:46,002 INFO L470 AbstractCegarLoop]: Abstraction has 24406 states and 32507 transitions. [2021-11-25 18:34:46,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-25 18:34:46,002 INFO L276 IsEmpty]: Start isEmpty. Operand 24406 states and 32507 transitions. [2021-11-25 18:34:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-25 18:34:46,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:34:46,049 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:34:46,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-25 18:34:46,049 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:34:46,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:34:46,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1461403494, now seen corresponding path program 1 times [2021-11-25 18:34:46,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:34:46,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045218682] [2021-11-25 18:34:46,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:46,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:34:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-25 18:34:46,312 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:34:46,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045218682] [2021-11-25 18:34:46,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045218682] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:34:46,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972129906] [2021-11-25 18:34:46,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:46,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:34:46,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:34:46,322 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:34:46,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-25 18:34:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:47,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 2060 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 18:34:47,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:34:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 82 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-25 18:34:48,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:34:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-25 18:34:49,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972129906] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-25 18:34:49,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:34:49,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6, 11] total 19 [2021-11-25 18:34:49,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878628431] [2021-11-25 18:34:49,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:34:49,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:34:49,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:34:49,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:34:49,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-11-25 18:34:49,006 INFO L87 Difference]: Start difference. First operand 24406 states and 32507 transitions. Second operand has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 5 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 6 states have call predecessors, (25), 5 states have call successors, (25) [2021-11-25 18:34:56,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:35:04,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:35:04,801 INFO L93 Difference]: Finished difference Result 77515 states and 109624 transitions. [2021-11-25 18:35:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 18:35:04,803 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 5 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 6 states have call predecessors, (25), 5 states have call successors, (25) Word has length 205 [2021-11-25 18:35:04,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:35:04,978 INFO L225 Difference]: With dead ends: 77515 [2021-11-25 18:35:04,978 INFO L226 Difference]: Without dead ends: 55633 [2021-11-25 18:35:05,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=193, Invalid=863, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 18:35:05,034 INFO L933 BasicCegarLoop]: 1102 mSDtfsCounter, 1188 mSDsluCounter, 4866 mSDsCounter, 0 mSdLazyCounter, 4510 mSolverCounterSat, 455 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 5024 SdHoareTripleChecker+Invalid, 4966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 4510 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:35:05,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1194 Valid, 5024 Invalid, 4966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 4510 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2021-11-25 18:35:05,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55633 states. [2021-11-25 18:35:07,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55633 to 24340. [2021-11-25 18:35:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24340 states, 16259 states have (on average 1.3259118026938925) internal successors, (21558), 16593 states have internal predecessors, (21558), 5289 states have call successors, (5289), 2738 states have call predecessors, (5289), 2791 states have return successors, (5564), 5199 states have call predecessors, (5564), 5288 states have call successors, (5564) [2021-11-25 18:35:07,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24340 states to 24340 states and 32411 transitions. [2021-11-25 18:35:07,602 INFO L78 Accepts]: Start accepts. Automaton has 24340 states and 32411 transitions. Word has length 205 [2021-11-25 18:35:07,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:35:07,602 INFO L470 AbstractCegarLoop]: Abstraction has 24340 states and 32411 transitions. [2021-11-25 18:35:07,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 5 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 6 states have call predecessors, (25), 5 states have call successors, (25) [2021-11-25 18:35:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 24340 states and 32411 transitions. [2021-11-25 18:35:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-25 18:35:07,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:35:07,630 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:35:07,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-25 18:35:07,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-25 18:35:07,831 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:35:07,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:35:07,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1147160578, now seen corresponding path program 1 times [2021-11-25 18:35:07,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:35:07,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528676320] [2021-11-25 18:35:07,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:35:07,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:35:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:35:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-25 18:35:08,085 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:35:08,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528676320] [2021-11-25 18:35:08,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528676320] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:35:08,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280688533] [2021-11-25 18:35:08,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:35:08,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:35:08,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:35:08,090 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:35:08,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08369599-f3c5-41ee-9e26-0398c140d33c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-25 18:35:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:35:08,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 2477 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:35:08,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:35:09,360 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-25 18:35:09,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:35:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-25 18:35:09,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280688533] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:35:09,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [686751882] [2021-11-25 18:35:09,863 INFO L159 IcfgInterpreter]: Started Sifa with 150 locations of interest [2021-11-25 18:35:09,863 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:35:09,865 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:35:09,865 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:35:09,865 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:35:16,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:16,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 66 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 98 [2021-11-25 18:35:16,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:35:16,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 85 [2021-11-25 18:35:17,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,414 INFO L244 Elim1Store]: Index analysis took 234 ms [2021-11-25 18:35:17,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 89 [2021-11-25 18:35:17,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:17,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 9 [2021-11-25 18:35:18,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 321 [2021-11-25 18:35:18,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,846 INFO L244 Elim1Store]: Index analysis took 434 ms [2021-11-25 18:35:18,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 73 [2021-11-25 18:35:18,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:18,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2021-11-25 18:35:19,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 321 [2021-11-25 18:35:19,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:19,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,210 INFO L244 Elim1Store]: Index analysis took 439 ms [2021-11-25 18:35:20,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 73 [2021-11-25 18:35:20,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:35:20,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2021-11-25 18:36:20,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:36:20,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:36:27,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:27,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:27,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:27,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:31,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:31,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:31,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:31,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:33,615 INFO L354 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2021-11-25 18:36:33,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 447 treesize of output 435 [2021-11-25 18:36:33,718 INFO L354 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2021-11-25 18:36:33,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 435 treesize of output 423 [2021-11-25 18:36:34,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:36:48,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:48,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:48,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:48,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:51,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:51,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:51,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:51,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:36:55,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:36:55,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:36:55,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:37:00,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:00,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:00,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:00,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:03,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:03,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:03,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:03,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:05,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:37:05,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:37:05,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:37:11,505 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-25 18:37:11,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 60 treesize of output 57 [2021-11-25 18:37:11,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-25 18:37:15,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:15,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:15,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:15,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:17,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:17,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:17,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:17,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:37:20,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:37:20,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:37:20,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:38:04,176 INFO L197 IcfgInterpreter]: Interpreting procedure can_led_event with input of size 121 for LOIs [2021-11-25 18:38:04,190 INFO L197 IcfgInterpreter]: Interpreting procedure usb_alloc_coherent with input of size 227 for LOIs [2021-11-25 18:38:05,330 INFO L197 IcfgInterpreter]: Interpreting procedure usb_8dev_cmd_open with input of size 119 for LOIs [2021-11-25 18:38:05,479 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-25 18:38:05,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 60 treesize of output 57 [2021-11-25 18:38:05,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-25 18:38:05,660 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-25 18:38:05,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 60 treesize of output 57 [2021-11-25 18:38:05,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-25 18:38:05,854 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-25 18:38:05,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 60 treesize of output 57 [2021-11-25 18:38:05,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-25 18:38:05,894 INFO L197 IcfgInterpreter]: Interpreting procedure usb_anchor_urb with input of size 178 for LOIs [2021-11-25 18:38:05,913 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 228 for LOIs [2021-11-25 18:38:06,135 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_alloc_urb with input of size 126 for LOIs [2021-11-25 18:38:07,421 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 180 for LOIs [2021-11-25 18:38:07,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:38:07,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:38:08,400 INFO L197 IcfgInterpreter]: Interpreting procedure __create_pipe with input of size 120 for LOIs [2021-11-25 18:38:08,434 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 197 for LOIs [2021-11-25 18:38:08,592 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_free_urb with input of size 186 for LOIs [2021-11-25 18:38:08,614 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_usb_fill_bulk_urb_2 with input of size 211 for LOIs [2021-11-25 18:38:08,647 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 162 for LOIs [2021-11-25 18:38:08,755 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_submit_urb with input of size 204 for LOIs [2021-11-25 18:38:08,987 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 97 for LOIs [2021-11-25 18:38:08,999 INFO L197 IcfgInterpreter]: Interpreting procedure netdev_priv with input of size 117 for LOIs [2021-11-25 18:38:09,012 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:38:15,761 WARN L227 SmtUtils]: Spent 6.44s on a formula simplification that was a NOOP. DAG size: 995 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)