./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.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_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/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_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/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_aa2251e3-48bc-4b5d-95ae-374b336adfdc/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 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:01:44,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:01:44,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:01:44,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:01:44,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:01:44,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:01:44,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:01:44,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:01:44,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:01:44,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:01:44,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:01:44,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:01:44,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:01:44,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:01:44,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:01:44,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:01:44,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:01:44,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:01:44,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:01:44,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:01:44,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:01:44,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:01:44,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:01:44,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:01:44,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:01:44,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:01:44,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:01:44,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:01:44,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:01:44,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:01:44,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:01:44,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:01:44,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:01:44,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:01:44,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:01:44,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:01:44,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:01:44,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:01:44,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:01:44,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:01:44,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:01:44,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:01:44,659 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:01:44,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:01:44,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:01:44,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:01:44,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:01:44,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:01:44,662 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:01:44,662 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:01:44,662 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:01:44,663 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:01:44,663 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:01:44,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:01:44,663 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:01:44,664 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:01:44,664 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:01:44,664 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:01:44,664 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:01:44,665 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:01:44,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:01:44,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:01:44,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:01:44,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:01:44,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:01:44,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:01:44,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:01:44,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:01:44,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:01:44,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:01:44,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:01:44,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:01:44,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:01:44,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:01:44,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:01:44,669 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:01:44,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:01:44,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:01:44,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:01:44,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:01:44,671 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_aa2251e3-48bc-4b5d-95ae-374b336adfdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 [2021-11-25 19:01:44,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:01:44,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:01:44,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:01:44,997 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:01:44,998 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:01:45,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-25 19:01:45,113 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/data/8b9e00aca/5d13676b07184b3a8830f40f8689d561/FLAG90a61895f [2021-11-25 19:01:46,090 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:01:46,091 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-25 19:01:46,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/data/8b9e00aca/5d13676b07184b3a8830f40f8689d561/FLAG90a61895f [2021-11-25 19:01:46,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/data/8b9e00aca/5d13676b07184b3a8830f40f8689d561 [2021-11-25 19:01:46,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:01:46,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:01:46,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:01:46,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:01:46,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:01:46,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:46" (1/1) ... [2021-11-25 19:01:46,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d69aa1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:46, skipping insertion in model container [2021-11-25 19:01:46,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:46" (1/1) ... [2021-11-25 19:01:46,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:01:46,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:01:49,143 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_aa2251e3-48bc-4b5d-95ae-374b336adfdc/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-11-25 19:01:49,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:01:49,307 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:01:49,874 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_aa2251e3-48bc-4b5d-95ae-374b336adfdc/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-11-25 19:01:49,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:01:49,990 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:01:49,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49 WrapperNode [2021-11-25 19:01:49,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:01:49,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:01:49,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:01:49,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:01:50,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49" (1/1) ... [2021-11-25 19:01:50,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49" (1/1) ... [2021-11-25 19:01:50,566 INFO L137 Inliner]: procedures = 273, calls = 4073, calls flagged for inlining = 105, calls inlined = 96, statements flattened = 8857 [2021-11-25 19:01:50,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:01:50,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:01:50,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:01:50,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:01:50,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49" (1/1) ... [2021-11-25 19:01:50,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49" (1/1) ... [2021-11-25 19:01:50,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49" (1/1) ... [2021-11-25 19:01:50,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49" (1/1) ... [2021-11-25 19:01:50,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49" (1/1) ... [2021-11-25 19:01:50,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49" (1/1) ... [2021-11-25 19:01:51,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49" (1/1) ... [2021-11-25 19:01:51,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:01:51,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:01:51,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:01:51,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:01:51,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49" (1/1) ... [2021-11-25 19:01:51,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:01:51,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:01:51,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:01:51,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:01:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 19:01:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 19:01:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-11-25 19:01:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-11-25 19:01:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-25 19:01:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-25 19:01:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 19:01:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 19:01:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-25 19:01:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:01:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:01:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-11-25 19:01:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-11-25 19:01:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-25 19:01:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-25 19:01:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-11-25 19:01:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-11-25 19:01:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 19:01:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 19:01:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-11-25 19:01:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-11-25 19:01:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-11-25 19:01:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-11-25 19:01:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:01:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:01:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-11-25 19:01:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-11-25 19:01:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-11-25 19:01:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-11-25 19:01:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-11-25 19:01:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-11-25 19:01:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-11-25 19:01:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-11-25 19:01:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 19:01:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 19:01:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 19:01:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 19:01:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-25 19:01:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-25 19:01:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-11-25 19:01:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-11-25 19:01:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-11-25 19:01:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-11-25 19:01:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-25 19:01:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-25 19:01:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-11-25 19:01:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-11-25 19:01:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:01:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:01:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-11-25 19:01:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-11-25 19:01:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-11-25 19:01:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-11-25 19:01:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-25 19:01:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-25 19:01:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2021-11-25 19:01:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2021-11-25 19:01:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-11-25 19:01:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-11-25 19:01:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2021-11-25 19:01:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2021-11-25 19:01:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-11-25 19:01:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-11-25 19:01:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-11-25 19:01:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-11-25 19:01:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:01:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2021-11-25 19:01:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2021-11-25 19:01:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:01:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-11-25 19:01:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-11-25 19:01:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-25 19:01:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-25 19:01:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-11-25 19:01:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-11-25 19:01:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:01:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-11-25 19:01:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-11-25 19:01:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-11-25 19:01:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-11-25 19:01:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-25 19:01:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-25 19:01:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-11-25 19:01:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-11-25 19:01:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-25 19:01:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-25 19:01:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-11-25 19:01:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-11-25 19:01:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:01:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-11-25 19:01:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-11-25 19:01:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:01:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 19:01:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 19:01:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:01:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:01:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 19:01:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 19:01:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-11-25 19:01:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-11-25 19:01:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 19:01:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 19:01:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-11-25 19:01:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-11-25 19:01:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-11-25 19:01:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-11-25 19:01:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-25 19:01:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-25 19:01:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:01:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 19:01:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 19:01:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-11-25 19:01:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-11-25 19:01:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-25 19:01:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-25 19:01:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:01:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-25 19:01:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-25 19:01:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:01:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-11-25 19:01:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-11-25 19:01:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-11-25 19:01:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-11-25 19:01:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:01:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:01:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-11-25 19:01:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-11-25 19:01:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-11-25 19:01:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-11-25 19:01:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-11-25 19:01:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-11-25 19:01:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-11-25 19:01:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-11-25 19:01:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:01:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:01:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-11-25 19:01:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-11-25 19:01:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-25 19:01:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-25 19:01:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:01:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-25 19:01:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-25 19:01:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-11-25 19:01:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-11-25 19:01:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-11-25 19:01:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-11-25 19:01:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-11-25 19:01:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-11-25 19:01:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:01:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:01:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-11-25 19:01:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-11-25 19:01:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:01:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-25 19:01:51,212 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-25 19:01:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-11-25 19:01:51,212 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-11-25 19:01:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 19:01:51,212 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 19:01:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:01:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-11-25 19:01:51,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-11-25 19:01:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-11-25 19:01:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-11-25 19:01:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-25 19:01:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-25 19:01:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:01:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 19:01:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-11-25 19:01:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-11-25 19:01:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-11-25 19:01:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-11-25 19:01:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-11-25 19:01:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-11-25 19:01:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 19:01:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 19:01:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-11-25 19:01:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-11-25 19:01:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-11-25 19:01:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-11-25 19:01:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-11-25 19:01:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-11-25 19:01:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-11-25 19:01:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-11-25 19:01:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-11-25 19:01:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-11-25 19:01:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 19:01:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 19:01:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-11-25 19:01:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-11-25 19:01:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-11-25 19:01:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-11-25 19:01:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-11-25 19:01:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-11-25 19:01:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:01:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-11-25 19:01:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-11-25 19:01:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-11-25 19:01:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-11-25 19:01:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:01:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:01:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 19:01:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 19:01:52,226 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:01:52,229 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:02:07,806 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:02:11,963 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:02:11,963 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 19:02:11,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:02:11 BoogieIcfgContainer [2021-11-25 19:02:11,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:02:11,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:02:11,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:02:11,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:02:11,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:01:46" (1/3) ... [2021-11-25 19:02:11,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f026861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:02:11, skipping insertion in model container [2021-11-25 19:02:11,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:49" (2/3) ... [2021-11-25 19:02:11,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f026861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:02:11, skipping insertion in model container [2021-11-25 19:02:11,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:02:11" (3/3) ... [2021-11-25 19:02:11,978 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-25 19:02:11,983 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:02:11,983 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:02:12,039 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:02:12,046 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 19:02:12,047 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:02:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 2157 states, 1460 states have (on average 1.4) internal successors, (2044), 1486 states have internal predecessors, (2044), 603 states have call successors, (603), 92 states have call predecessors, (603), 92 states have return successors, (603), 600 states have call predecessors, (603), 603 states have call successors, (603) [2021-11-25 19:02:12,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 19:02:12,119 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:12,120 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:12,121 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:02:12,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:12,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1203273931, now seen corresponding path program 1 times [2021-11-25 19:02:12,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:12,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353169717] [2021-11-25 19:02:12,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:12,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:13,022 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:13,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353169717] [2021-11-25 19:02:13,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353169717] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:13,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:13,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:02:13,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974011522] [2021-11-25 19:02:13,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:13,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:02:13,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:13,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:02:13,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:02:13,084 INFO L87 Difference]: Start difference. First operand has 2157 states, 1460 states have (on average 1.4) internal successors, (2044), 1486 states have internal predecessors, (2044), 603 states have call successors, (603), 92 states have call predecessors, (603), 92 states have return successors, (603), 600 states have call predecessors, (603), 603 states have call successors, (603) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-25 19:02:17,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:20,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:02:27,087 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 19:02:30,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:30,410 INFO L93 Difference]: Finished difference Result 6490 states and 10172 transitions. [2021-11-25 19:02:30,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:02:30,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2021-11-25 19:02:30,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:30,507 INFO L225 Difference]: With dead ends: 6490 [2021-11-25 19:02:30,507 INFO L226 Difference]: Without dead ends: 4339 [2021-11-25 19:02:30,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:02:30,541 INFO L933 BasicCegarLoop]: 4458 mSDtfsCounter, 2353 mSDsluCounter, 8274 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 425 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2778 SdHoareTripleChecker+Valid, 11883 SdHoareTripleChecker+Invalid, 1789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 425 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:30,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2778 Valid, 11883 Invalid, 1789 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [425 Valid, 1361 Invalid, 3 Unknown, 0 Unchecked, 16.8s Time] [2021-11-25 19:02:30,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4339 states. [2021-11-25 19:02:30,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4339 to 2151. [2021-11-25 19:02:30,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2151 states, 1456 states have (on average 1.3956043956043955) internal successors, (2032), 1480 states have internal predecessors, (2032), 603 states have call successors, (603), 92 states have call predecessors, (603), 91 states have return successors, (595), 592 states have call predecessors, (595), 595 states have call successors, (595) [2021-11-25 19:02:30,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 2151 states and 3230 transitions. [2021-11-25 19:02:30,845 INFO L78 Accepts]: Start accepts. Automaton has 2151 states and 3230 transitions. Word has length 26 [2021-11-25 19:02:30,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:30,846 INFO L470 AbstractCegarLoop]: Abstraction has 2151 states and 3230 transitions. [2021-11-25 19:02:30,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-25 19:02:30,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 3230 transitions. [2021-11-25 19:02:30,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 19:02:30,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:30,849 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:30,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:02:30,850 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:02:30,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:30,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1269010479, now seen corresponding path program 1 times [2021-11-25 19:02:30,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:30,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022436385] [2021-11-25 19:02:30,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:30,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:31,107 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:31,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022436385] [2021-11-25 19:02:31,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022436385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:31,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:31,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:02:31,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115809523] [2021-11-25 19:02:31,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:31,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:02:31,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:31,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:02:31,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:02:31,113 INFO L87 Difference]: Start difference. First operand 2151 states and 3230 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-25 19:02:35,028 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 19:02:38,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:02:42,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:46,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:46,964 INFO L93 Difference]: Finished difference Result 3614 states and 5588 transitions. [2021-11-25 19:02:46,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:02:46,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2021-11-25 19:02:46,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:46,998 INFO L225 Difference]: With dead ends: 3614 [2021-11-25 19:02:46,998 INFO L226 Difference]: Without dead ends: 3603 [2021-11-25 19:02:47,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:02:47,003 INFO L933 BasicCegarLoop]: 3781 mSDtfsCounter, 1790 mSDsluCounter, 6896 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 423 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 9979 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:47,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2001 Valid, 9979 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 1136 Invalid, 3 Unknown, 0 Unchecked, 15.6s Time] [2021-11-25 19:02:47,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3603 states. [2021-11-25 19:02:47,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3603 to 2153. [2021-11-25 19:02:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1458 states have (on average 1.3950617283950617) internal successors, (2034), 1482 states have internal predecessors, (2034), 603 states have call successors, (603), 92 states have call predecessors, (603), 91 states have return successors, (595), 592 states have call predecessors, (595), 595 states have call successors, (595) [2021-11-25 19:02:47,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 3232 transitions. [2021-11-25 19:02:47,139 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 3232 transitions. Word has length 29 [2021-11-25 19:02:47,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:47,139 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 3232 transitions. [2021-11-25 19:02:47,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-25 19:02:47,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 3232 transitions. [2021-11-25 19:02:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:02:47,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:47,141 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:47,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:02:47,142 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:02:47,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:47,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1569204863, now seen corresponding path program 1 times [2021-11-25 19:02:47,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:47,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591919294] [2021-11-25 19:02:47,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:47,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:47,308 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:47,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591919294] [2021-11-25 19:02:47,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591919294] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:47,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:47,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:02:47,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528643919] [2021-11-25 19:02:47,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:47,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:02:47,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:47,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:02:47,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:02:47,311 INFO L87 Difference]: Start difference. First operand 2153 states and 3232 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:02:50,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:53,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:02:58,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:00,601 WARN L534 Checker$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 19:03:01,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:01,854 INFO L93 Difference]: Finished difference Result 4228 states and 6343 transitions. [2021-11-25 19:03:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:03:01,855 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), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 30 [2021-11-25 19:03:01,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:01,894 INFO L225 Difference]: With dead ends: 4228 [2021-11-25 19:03:01,894 INFO L226 Difference]: Without dead ends: 4225 [2021-11-25 19:03:01,903 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 19:03:01,904 INFO L933 BasicCegarLoop]: 3447 mSDtfsCounter, 3133 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3133 SdHoareTripleChecker+Valid, 6284 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:01,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3133 Valid, 6284 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 697 Invalid, 3 Unknown, 0 Unchecked, 14.2s Time] [2021-11-25 19:03:01,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4225 states. [2021-11-25 19:03:02,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4225 to 4219. [2021-11-25 19:03:02,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4219 states, 2865 states have (on average 1.3951134380453751) internal successors, (3997), 2902 states have internal predecessors, (3997), 1173 states have call successors, (1173), 181 states have call predecessors, (1173), 180 states have return successors, (1165), 1160 states have call predecessors, (1165), 1165 states have call successors, (1165) [2021-11-25 19:03:02,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 4219 states and 6335 transitions. [2021-11-25 19:03:02,113 INFO L78 Accepts]: Start accepts. Automaton has 4219 states and 6335 transitions. Word has length 30 [2021-11-25 19:03:02,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:02,114 INFO L470 AbstractCegarLoop]: Abstraction has 4219 states and 6335 transitions. [2021-11-25 19:03:02,114 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), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:03:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4219 states and 6335 transitions. [2021-11-25 19:03:02,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 19:03:02,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:02,117 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:02,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:03:02,118 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:02,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:02,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1401834699, now seen corresponding path program 1 times [2021-11-25 19:03:02,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:02,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304890813] [2021-11-25 19:03:02,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:02,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:02,357 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:02,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304890813] [2021-11-25 19:03:02,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304890813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:02,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:02,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:03:02,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732337050] [2021-11-25 19:03:02,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:02,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:03:02,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:02,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:03:02,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:02,366 INFO L87 Difference]: Start difference. First operand 4219 states and 6335 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:03:05,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:10,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:13,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:15,244 WARN L534 Checker$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 19:03:17,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:17,574 INFO L93 Difference]: Finished difference Result 7111 states and 10577 transitions. [2021-11-25 19:03:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:03:17,575 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), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 31 [2021-11-25 19:03:17,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:17,638 INFO L225 Difference]: With dead ends: 7111 [2021-11-25 19:03:17,638 INFO L226 Difference]: Without dead ends: 7107 [2021-11-25 19:03:17,646 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 19:03:17,647 INFO L933 BasicCegarLoop]: 3696 mSDtfsCounter, 2174 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 6506 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:17,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2174 Valid, 6506 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 760 Invalid, 3 Unknown, 0 Unchecked, 15.0s Time] [2021-11-25 19:03:17,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7107 states. [2021-11-25 19:03:17,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7107 to 7102. [2021-11-25 19:03:17,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7102 states, 4764 states have (on average 1.3772040302267003) internal successors, (6561), 4827 states have internal predecessors, (6561), 2007 states have call successors, (2007), 333 states have call predecessors, (2007), 330 states have return successors, (1999), 1986 states have call predecessors, (1999), 1999 states have call successors, (1999) [2021-11-25 19:03:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7102 states to 7102 states and 10567 transitions. [2021-11-25 19:03:18,024 INFO L78 Accepts]: Start accepts. Automaton has 7102 states and 10567 transitions. Word has length 31 [2021-11-25 19:03:18,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:18,025 INFO L470 AbstractCegarLoop]: Abstraction has 7102 states and 10567 transitions. [2021-11-25 19:03:18,026 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), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:03:18,026 INFO L276 IsEmpty]: Start isEmpty. Operand 7102 states and 10567 transitions. [2021-11-25 19:03:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 19:03:18,034 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:18,034 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:18,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:03:18,035 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:18,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:18,035 INFO L85 PathProgramCache]: Analyzing trace with hash -508322044, now seen corresponding path program 1 times [2021-11-25 19:03:18,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:18,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641388682] [2021-11-25 19:03:18,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:18,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:18,241 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:18,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641388682] [2021-11-25 19:03:18,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641388682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:18,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:18,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:03:18,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829131878] [2021-11-25 19:03:18,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:18,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:03:18,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:18,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:03:18,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:18,243 INFO L87 Difference]: Start difference. First operand 7102 states and 10567 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:03:20,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:24,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:26,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:28,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:31,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:32,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:32,901 INFO L93 Difference]: Finished difference Result 10619 states and 15799 transitions. [2021-11-25 19:03:32,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:03:32,902 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), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 32 [2021-11-25 19:03:32,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:32,997 INFO L225 Difference]: With dead ends: 10619 [2021-11-25 19:03:33,001 INFO L226 Difference]: Without dead ends: 10616 [2021-11-25 19:03:33,012 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 19:03:33,014 INFO L933 BasicCegarLoop]: 3447 mSDtfsCounter, 3135 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 6290 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:33,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3135 Valid, 6290 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 699 Invalid, 2 Unknown, 0 Unchecked, 14.4s Time] [2021-11-25 19:03:33,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10616 states. [2021-11-25 19:03:33,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10616 to 10608. [2021-11-25 19:03:33,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10608 states, 7121 states have (on average 1.3774750737256003) internal successors, (9809), 7210 states have internal predecessors, (9809), 2994 states have call successors, (2994), 496 states have call predecessors, (2994), 492 states have return successors, (2986), 2967 states have call predecessors, (2986), 2986 states have call successors, (2986) [2021-11-25 19:03:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10608 states to 10608 states and 15789 transitions. [2021-11-25 19:03:33,573 INFO L78 Accepts]: Start accepts. Automaton has 10608 states and 15789 transitions. Word has length 32 [2021-11-25 19:03:33,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:33,576 INFO L470 AbstractCegarLoop]: Abstraction has 10608 states and 15789 transitions. [2021-11-25 19:03:33,576 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), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:03:33,576 INFO L276 IsEmpty]: Start isEmpty. Operand 10608 states and 15789 transitions. [2021-11-25 19:03:33,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 19:03:33,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:33,578 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:33,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:03:33,579 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:33,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:33,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1420771352, now seen corresponding path program 1 times [2021-11-25 19:03:33,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:33,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900798430] [2021-11-25 19:03:33,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:33,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:33,783 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:33,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900798430] [2021-11-25 19:03:33,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900798430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:33,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:33,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:03:33,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236190611] [2021-11-25 19:03:33,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:33,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:03:33,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:33,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:03:33,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:33,789 INFO L87 Difference]: Start difference. First operand 10608 states and 15789 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:03:36,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:38,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:40,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:44,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:44,639 INFO L93 Difference]: Finished difference Result 16057 states and 23534 transitions. [2021-11-25 19:03:44,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:03:44,640 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), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2021-11-25 19:03:44,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:44,734 INFO L225 Difference]: With dead ends: 16057 [2021-11-25 19:03:44,734 INFO L226 Difference]: Without dead ends: 16026 [2021-11-25 19:03:44,748 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 19:03:44,749 INFO L933 BasicCegarLoop]: 3244 mSDtfsCounter, 2019 mSDsluCounter, 3166 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 6068 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:44,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2019 Valid, 6068 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 699 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2021-11-25 19:03:44,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16026 states. [2021-11-25 19:03:45,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16026 to 16017. [2021-11-25 19:03:45,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16017 states, 10662 states have (on average 1.359313449634215) internal successors, (14493), 10798 states have internal predecessors, (14493), 4491 states have call successors, (4491), 872 states have call predecessors, (4491), 863 states have return successors, (4483), 4452 states have call predecessors, (4483), 4483 states have call successors, (4483) [2021-11-25 19:03:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16017 states to 16017 states and 23467 transitions. [2021-11-25 19:03:45,698 INFO L78 Accepts]: Start accepts. Automaton has 16017 states and 23467 transitions. Word has length 33 [2021-11-25 19:03:45,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:45,699 INFO L470 AbstractCegarLoop]: Abstraction has 16017 states and 23467 transitions. [2021-11-25 19:03:45,699 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), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:03:45,699 INFO L276 IsEmpty]: Start isEmpty. Operand 16017 states and 23467 transitions. [2021-11-25 19:03:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 19:03:45,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:45,704 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:45,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:03:45,704 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:45,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:45,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1353491132, now seen corresponding path program 1 times [2021-11-25 19:03:45,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:45,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373838604] [2021-11-25 19:03:45,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:45,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:03:45,905 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:45,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373838604] [2021-11-25 19:03:45,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373838604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:45,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:45,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:03:45,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834432386] [2021-11-25 19:03:45,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:45,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:03:45,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:45,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:03:45,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:45,908 INFO L87 Difference]: Start difference. First operand 16017 states and 23467 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-25 19:03:48,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:51,778 WARN L534 Checker$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 19:03:54,044 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 19:03:57,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:57,894 INFO L93 Difference]: Finished difference Result 33705 states and 49682 transitions. [2021-11-25 19:03:57,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:03:57,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 64 [2021-11-25 19:03:57,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:57,974 INFO L225 Difference]: With dead ends: 33705 [2021-11-25 19:03:57,975 INFO L226 Difference]: Without dead ends: 17723 [2021-11-25 19:03:58,091 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 19:03:58,092 INFO L933 BasicCegarLoop]: 2964 mSDtfsCounter, 518 mSDsluCounter, 2929 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 5587 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:58,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 5587 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 673 Invalid, 3 Unknown, 0 Unchecked, 11.5s Time] [2021-11-25 19:03:58,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17723 states. [2021-11-25 19:03:58,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17723 to 17543. [2021-11-25 19:03:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17543 states, 11765 states have (on average 1.3701657458563536) internal successors, (16120), 11917 states have internal predecessors, (16120), 4914 states have call successors, (4914), 872 states have call predecessors, (4914), 863 states have return successors, (4906), 4870 states have call predecessors, (4906), 4906 states have call successors, (4906) [2021-11-25 19:03:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17543 states to 17543 states and 25940 transitions. [2021-11-25 19:03:58,944 INFO L78 Accepts]: Start accepts. Automaton has 17543 states and 25940 transitions. Word has length 64 [2021-11-25 19:03:58,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:58,945 INFO L470 AbstractCegarLoop]: Abstraction has 17543 states and 25940 transitions. [2021-11-25 19:03:58,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-25 19:03:58,945 INFO L276 IsEmpty]: Start isEmpty. Operand 17543 states and 25940 transitions. [2021-11-25 19:03:58,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:03:58,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:58,949 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:03:58,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:03:58,950 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:58,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:58,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1842189285, now seen corresponding path program 1 times [2021-11-25 19:03:58,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:58,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734164404] [2021-11-25 19:03:58,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:58,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:59,228 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 19:03:59,228 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:59,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734164404] [2021-11-25 19:03:59,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734164404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:59,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:59,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:03:59,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701673980] [2021-11-25 19:03:59,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:59,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:03:59,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:59,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:03:59,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:59,231 INFO L87 Difference]: Start difference. First operand 17543 states and 25940 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:04:01,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:04,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:06,790 WARN L534 Checker$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 19:04:10,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:10,023 INFO L93 Difference]: Finished difference Result 19114 states and 28117 transitions. [2021-11-25 19:04:10,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:04:10,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 66 [2021-11-25 19:04:10,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:10,113 INFO L225 Difference]: With dead ends: 19114 [2021-11-25 19:04:10,113 INFO L226 Difference]: Without dead ends: 19111 [2021-11-25 19:04:10,130 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 19:04:10,131 INFO L933 BasicCegarLoop]: 4005 mSDtfsCounter, 2399 mSDsluCounter, 2130 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2399 SdHoareTripleChecker+Valid, 5904 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:10,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2399 Valid, 5904 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 718 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2021-11-25 19:04:10,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19111 states. [2021-11-25 19:04:10,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19111 to 19107. [2021-11-25 19:04:10,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19107 states, 12775 states have (on average 1.3642270058708414) internal successors, (17428), 12937 states have internal predecessors, (17428), 5343 states have call successors, (5343), 1001 states have call predecessors, (5343), 988 states have return successors, (5335), 5297 states have call predecessors, (5335), 5335 states have call successors, (5335) [2021-11-25 19:04:11,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19107 states to 19107 states and 28106 transitions. [2021-11-25 19:04:11,016 INFO L78 Accepts]: Start accepts. Automaton has 19107 states and 28106 transitions. Word has length 66 [2021-11-25 19:04:11,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:11,017 INFO L470 AbstractCegarLoop]: Abstraction has 19107 states and 28106 transitions. [2021-11-25 19:04:11,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:04:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 19107 states and 28106 transitions. [2021-11-25 19:04:11,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 19:04:11,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:11,022 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:04:11,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 19:04:11,022 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:04:11,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:11,023 INFO L85 PathProgramCache]: Analyzing trace with hash 635305160, now seen corresponding path program 1 times [2021-11-25 19:04:11,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:11,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151958929] [2021-11-25 19:04:11,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:11,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:04:11,279 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:11,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151958929] [2021-11-25 19:04:11,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151958929] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:11,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:11,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:04:11,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257917898] [2021-11-25 19:04:11,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:11,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:04:11,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:11,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:04:11,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:04:11,281 INFO L87 Difference]: Start difference. First operand 19107 states and 28106 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:04:14,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:18,070 WARN L534 Checker$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 19:04:20,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:24,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:31,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:31,436 INFO L93 Difference]: Finished difference Result 22336 states and 32948 transitions. [2021-11-25 19:04:31,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:04:31,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2021-11-25 19:04:31,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:31,516 INFO L225 Difference]: With dead ends: 22336 [2021-11-25 19:04:31,516 INFO L226 Difference]: Without dead ends: 22333 [2021-11-25 19:04:31,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:04:31,531 INFO L933 BasicCegarLoop]: 4528 mSDtfsCounter, 5681 mSDsluCounter, 8629 mSDsCounter, 0 mSdLazyCounter, 2209 mSolverCounterSat, 2040 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5811 SdHoareTripleChecker+Valid, 12196 SdHoareTripleChecker+Invalid, 4252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2040 IncrementalHoareTripleChecker+Valid, 2209 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:31,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5811 Valid, 12196 Invalid, 4252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2040 Valid, 2209 Invalid, 3 Unknown, 0 Unchecked, 19.7s Time] [2021-11-25 19:04:31,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22333 states. [2021-11-25 19:04:32,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22333 to 20788. [2021-11-25 19:04:32,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20788 states, 13846 states have (on average 1.3590928788097645) internal successors, (18818), 14029 states have internal predecessors, (18818), 5823 states have call successors, (5823), 1133 states have call predecessors, (5823), 1118 states have return successors, (5815), 5772 states have call predecessors, (5815), 5815 states have call successors, (5815) [2021-11-25 19:04:32,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20788 states to 20788 states and 30456 transitions. [2021-11-25 19:04:32,673 INFO L78 Accepts]: Start accepts. Automaton has 20788 states and 30456 transitions. Word has length 75 [2021-11-25 19:04:32,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:32,674 INFO L470 AbstractCegarLoop]: Abstraction has 20788 states and 30456 transitions. [2021-11-25 19:04:32,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:04:32,674 INFO L276 IsEmpty]: Start isEmpty. Operand 20788 states and 30456 transitions. [2021-11-25 19:04:32,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 19:04:32,682 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:32,682 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:32,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 19:04:32,682 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:04:32,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:32,683 INFO L85 PathProgramCache]: Analyzing trace with hash -2073643187, now seen corresponding path program 1 times [2021-11-25 19:04:32,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:32,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025966826] [2021-11-25 19:04:32,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:32,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 19:04:33,180 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:33,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025966826] [2021-11-25 19:04:33,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025966826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:33,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:33,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 19:04:33,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96213247] [2021-11-25 19:04:33,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:33,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 19:04:33,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:33,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 19:04:33,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:04:33,182 INFO L87 Difference]: Start difference. First operand 20788 states and 30456 transitions. Second operand has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:04:37,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:43,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:46,438 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 19:04:59,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:59,111 INFO L93 Difference]: Finished difference Result 27242 states and 39851 transitions. [2021-11-25 19:04:59,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:04:59,111 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 94 [2021-11-25 19:04:59,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:59,208 INFO L225 Difference]: With dead ends: 27242 [2021-11-25 19:04:59,208 INFO L226 Difference]: Without dead ends: 27207 [2021-11-25 19:04:59,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:04:59,223 INFO L933 BasicCegarLoop]: 2480 mSDtfsCounter, 8523 mSDsluCounter, 2478 mSDsCounter, 0 mSdLazyCounter, 6367 mSolverCounterSat, 5308 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9056 SdHoareTripleChecker+Valid, 4592 SdHoareTripleChecker+Invalid, 11678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5308 IncrementalHoareTripleChecker+Valid, 6367 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:59,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9056 Valid, 4592 Invalid, 11678 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5308 Valid, 6367 Invalid, 3 Unknown, 0 Unchecked, 25.1s Time] [2021-11-25 19:04:59,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27207 states. [2021-11-25 19:05:00,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27207 to 27124. [2021-11-25 19:05:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27124 states, 18011 states have (on average 1.3558380989395369) internal successors, (24420), 18255 states have internal predecessors, (24420), 7640 states have call successors, (7640), 1487 states have call predecessors, (7640), 1472 states have return successors, (7632), 7575 states have call predecessors, (7632), 7632 states have call successors, (7632) [2021-11-25 19:05:00,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27124 states to 27124 states and 39692 transitions. [2021-11-25 19:05:00,452 INFO L78 Accepts]: Start accepts. Automaton has 27124 states and 39692 transitions. Word has length 94 [2021-11-25 19:05:00,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:00,453 INFO L470 AbstractCegarLoop]: Abstraction has 27124 states and 39692 transitions. [2021-11-25 19:05:00,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:05:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 27124 states and 39692 transitions. [2021-11-25 19:05:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 19:05:00,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:00,467 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:00,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 19:05:00,468 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:05:00,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:00,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1666321780, now seen corresponding path program 1 times [2021-11-25 19:05:00,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:00,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180190565] [2021-11-25 19:05:00,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:00,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:00,604 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:05:00,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [692615101] [2021-11-25 19:05:00,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:00,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:05:00,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:05:00,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:05:00,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:05:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:02,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 3189 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 19:05:02,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:05:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:05:02,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:05:02,354 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:02,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180190565] [2021-11-25 19:05:02,355 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:05:02,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692615101] [2021-11-25 19:05:02,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692615101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:02,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:02,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:05:02,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645812412] [2021-11-25 19:05:02,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:02,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:05:02,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:02,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:05:02,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:05:02,358 INFO L87 Difference]: Start difference. First operand 27124 states and 39692 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:05:05,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:05:09,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:12,652 WARN L534 Checker$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 19:05:21,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:21,546 INFO L93 Difference]: Finished difference Result 57923 states and 85330 transitions. [2021-11-25 19:05:21,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:05:21,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2021-11-25 19:05:21,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:21,656 INFO L225 Difference]: With dead ends: 57923 [2021-11-25 19:05:21,656 INFO L226 Difference]: Without dead ends: 30834 [2021-11-25 19:05:21,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:05:21,744 INFO L933 BasicCegarLoop]: 3697 mSDtfsCounter, 577 mSDsluCounter, 11660 mSDsCounter, 0 mSdLazyCounter, 1729 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 14114 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1729 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:21,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [752 Valid, 14114 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1729 Invalid, 3 Unknown, 0 Unchecked, 18.0s Time] [2021-11-25 19:05:21,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30834 states. [2021-11-25 19:05:22,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30834 to 27142. [2021-11-25 19:05:23,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27142 states, 18026 states have (on average 1.355541994896261) internal successors, (24435), 18267 states have internal predecessors, (24435), 7640 states have call successors, (7640), 1487 states have call predecessors, (7640), 1475 states have return successors, (7644), 7581 states have call predecessors, (7644), 7632 states have call successors, (7644) [2021-11-25 19:05:23,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27142 states to 27142 states and 39719 transitions. [2021-11-25 19:05:23,375 INFO L78 Accepts]: Start accepts. Automaton has 27142 states and 39719 transitions. Word has length 94 [2021-11-25 19:05:23,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:23,376 INFO L470 AbstractCegarLoop]: Abstraction has 27142 states and 39719 transitions. [2021-11-25 19:05:23,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:05:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 27142 states and 39719 transitions. [2021-11-25 19:05:23,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 19:05:23,384 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:23,384 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:23,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:05:23,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-25 19:05:23,599 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:05:23,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:23,600 INFO L85 PathProgramCache]: Analyzing trace with hash -2045326750, now seen corresponding path program 1 times [2021-11-25 19:05:23,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:23,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041184695] [2021-11-25 19:05:23,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:23,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:23,730 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:05:23,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [105254544] [2021-11-25 19:05:23,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:23,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:05:23,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:05:23,731 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:05:23,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:05:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:25,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 3193 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-25 19:05:25,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:05:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:05:25,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:05:25,768 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:25,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041184695] [2021-11-25 19:05:25,768 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:05:25,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105254544] [2021-11-25 19:05:25,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105254544] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:25,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:25,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:05:25,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457814866] [2021-11-25 19:05:25,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:25,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:05:25,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:25,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:05:25,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:05:25,770 INFO L87 Difference]: Start difference. First operand 27142 states and 39719 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:05:29,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:05:37,591 WARN L534 Checker$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 19:05:40,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:53,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:53,390 INFO L93 Difference]: Finished difference Result 30976 states and 45507 transitions. [2021-11-25 19:05:53,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:05:53,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2021-11-25 19:05:53,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:53,509 INFO L225 Difference]: With dead ends: 30976 [2021-11-25 19:05:53,509 INFO L226 Difference]: Without dead ends: 30973 [2021-11-25 19:05:53,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 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 19:05:53,523 INFO L933 BasicCegarLoop]: 4557 mSDtfsCounter, 2317 mSDsluCounter, 15049 mSDsCounter, 0 mSdLazyCounter, 5467 mSolverCounterSat, 62 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2447 SdHoareTripleChecker+Valid, 17735 SdHoareTripleChecker+Invalid, 5532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 5467 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:53,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2447 Valid, 17735 Invalid, 5532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 5467 Invalid, 3 Unknown, 0 Unchecked, 26.7s Time] [2021-11-25 19:05:53,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30973 states. [2021-11-25 19:05:54,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30973 to 29366. [2021-11-25 19:05:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29366 states, 19487 states have (on average 1.3543901062246626) internal successors, (26393), 19762 states have internal predecessors, (26393), 8265 states have call successors, (8265), 1624 states have call predecessors, (8265), 1613 states have return successors, (8269), 8191 states have call predecessors, (8269), 8257 states have call successors, (8269) [2021-11-25 19:05:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29366 states to 29366 states and 42927 transitions. [2021-11-25 19:05:55,054 INFO L78 Accepts]: Start accepts. Automaton has 29366 states and 42927 transitions. Word has length 95 [2021-11-25 19:05:55,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:55,055 INFO L470 AbstractCegarLoop]: Abstraction has 29366 states and 42927 transitions. [2021-11-25 19:05:55,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:05:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 29366 states and 42927 transitions. [2021-11-25 19:05:55,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-25 19:05:55,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:55,231 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:55,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:05:55,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-25 19:05:55,439 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:05:55,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:55,441 INFO L85 PathProgramCache]: Analyzing trace with hash 537151328, now seen corresponding path program 1 times [2021-11-25 19:05:55,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:55,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605042899] [2021-11-25 19:05:55,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:55,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:55,680 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 19:05:55,680 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:55,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605042899] [2021-11-25 19:05:55,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605042899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:55,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:55,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:05:55,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746360628] [2021-11-25 19:05:55,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:55,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:05:55,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:55,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:05:55,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:05:55,683 INFO L87 Difference]: Start difference. First operand 29366 states and 42927 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-25 19:05:58,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:01,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:04,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:07,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:14,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:17,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:17,296 INFO L93 Difference]: Finished difference Result 58920 states and 86170 transitions. [2021-11-25 19:06:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:06:17,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 113 [2021-11-25 19:06:17,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:17,429 INFO L225 Difference]: With dead ends: 58920 [2021-11-25 19:06:17,429 INFO L226 Difference]: Without dead ends: 29557 [2021-11-25 19:06:17,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:06:17,538 INFO L933 BasicCegarLoop]: 2917 mSDtfsCounter, 72 mSDsluCounter, 9693 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 39 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 11563 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:17,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 11563 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1415 Invalid, 4 Unknown, 0 Unchecked, 20.5s Time] [2021-11-25 19:06:17,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29557 states. [2021-11-25 19:06:18,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29557 to 29388. [2021-11-25 19:06:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29388 states, 19498 states have (on average 1.3535747256128834) internal successors, (26392), 19773 states have internal predecessors, (26392), 8276 states have call successors, (8276), 1624 states have call predecessors, (8276), 1613 states have return successors, (8280), 8202 states have call predecessors, (8280), 8268 states have call successors, (8280) [2021-11-25 19:06:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29388 states to 29388 states and 42948 transitions. [2021-11-25 19:06:18,803 INFO L78 Accepts]: Start accepts. Automaton has 29388 states and 42948 transitions. Word has length 113 [2021-11-25 19:06:18,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:18,804 INFO L470 AbstractCegarLoop]: Abstraction has 29388 states and 42948 transitions. [2021-11-25 19:06:18,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-25 19:06:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 29388 states and 42948 transitions. [2021-11-25 19:06:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-25 19:06:18,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:18,824 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2021-11-25 19:06:18,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 19:06:18,824 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:06:18,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:18,825 INFO L85 PathProgramCache]: Analyzing trace with hash 197462494, now seen corresponding path program 1 times [2021-11-25 19:06:18,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:18,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542146547] [2021-11-25 19:06:18,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:18,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:19,223 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-25 19:06:19,223 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:19,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542146547] [2021-11-25 19:06:19,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542146547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:19,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:19,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:06:19,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196203059] [2021-11-25 19:06:19,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:19,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:06:19,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:19,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:06:19,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:06:19,227 INFO L87 Difference]: Start difference. First operand 29388 states and 42948 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:06:23,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:26,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:30,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:38,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:44,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:44,110 INFO L93 Difference]: Finished difference Result 77386 states and 115804 transitions. [2021-11-25 19:06:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:06:44,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 128 [2021-11-25 19:06:44,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:44,440 INFO L225 Difference]: With dead ends: 77386 [2021-11-25 19:06:44,440 INFO L226 Difference]: Without dead ends: 48033 [2021-11-25 19:06:44,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:06:44,521 INFO L933 BasicCegarLoop]: 4692 mSDtfsCounter, 2423 mSDsluCounter, 8871 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 401 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 12627 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:44,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2823 Valid, 12627 Invalid, 1884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 1479 Invalid, 4 Unknown, 0 Unchecked, 23.3s Time] [2021-11-25 19:06:44,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48033 states. [2021-11-25 19:06:46,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48033 to 29432. [2021-11-25 19:06:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29432 states, 19542 states have (on average 1.352778630641695) internal successors, (26436), 19817 states have internal predecessors, (26436), 8276 states have call successors, (8276), 1624 states have call predecessors, (8276), 1613 states have return successors, (8280), 8202 states have call predecessors, (8280), 8268 states have call successors, (8280) [2021-11-25 19:06:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29432 states to 29432 states and 42992 transitions. [2021-11-25 19:06:46,330 INFO L78 Accepts]: Start accepts. Automaton has 29432 states and 42992 transitions. Word has length 128 [2021-11-25 19:06:46,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:46,330 INFO L470 AbstractCegarLoop]: Abstraction has 29432 states and 42992 transitions. [2021-11-25 19:06:46,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:06:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29432 states and 42992 transitions. [2021-11-25 19:06:46,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-25 19:06:46,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:46,347 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2021-11-25 19:06:46,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 19:06:46,348 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:06:46,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:46,348 INFO L85 PathProgramCache]: Analyzing trace with hash -803504935, now seen corresponding path program 1 times [2021-11-25 19:06:46,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:46,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209814157] [2021-11-25 19:06:46,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:46,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:46,632 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-25 19:06:46,632 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:46,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209814157] [2021-11-25 19:06:46,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209814157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:46,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:46,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:06:46,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914030519] [2021-11-25 19:06:46,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:46,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:06:46,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:46,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:06:46,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:06:46,635 INFO L87 Difference]: Start difference. First operand 29432 states and 42992 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:06:49,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:53,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:56,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:01,475 WARN L534 Checker$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 19:07:03,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:03,185 INFO L93 Difference]: Finished difference Result 47569 states and 70449 transitions. [2021-11-25 19:07:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:07:03,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2021-11-25 19:07:03,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:03,310 INFO L225 Difference]: With dead ends: 47569 [2021-11-25 19:07:03,310 INFO L226 Difference]: Without dead ends: 35883 [2021-11-25 19:07:03,352 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 19:07:03,352 INFO L933 BasicCegarLoop]: 3872 mSDtfsCounter, 710 mSDsluCounter, 3418 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 6947 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:03,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 6947 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 824 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2021-11-25 19:07:03,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35883 states. [2021-11-25 19:07:04,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35883 to 29434. [2021-11-25 19:07:04,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29434 states, 19544 states have (on average 1.3527425296766271) internal successors, (26438), 19819 states have internal predecessors, (26438), 8276 states have call successors, (8276), 1624 states have call predecessors, (8276), 1613 states have return successors, (8280), 8202 states have call predecessors, (8280), 8268 states have call successors, (8280) [2021-11-25 19:07:04,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29434 states to 29434 states and 42994 transitions. [2021-11-25 19:07:04,965 INFO L78 Accepts]: Start accepts. Automaton has 29434 states and 42994 transitions. Word has length 131 [2021-11-25 19:07:04,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:04,966 INFO L470 AbstractCegarLoop]: Abstraction has 29434 states and 42994 transitions. [2021-11-25 19:07:04,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:07:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 29434 states and 42994 transitions. [2021-11-25 19:07:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-25 19:07:04,982 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:04,983 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2021-11-25 19:07:04,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 19:07:04,983 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:04,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:04,984 INFO L85 PathProgramCache]: Analyzing trace with hash -505475947, now seen corresponding path program 1 times [2021-11-25 19:07:04,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:04,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561020323] [2021-11-25 19:07:04,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:04,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:05,294 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 19:07:05,294 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:05,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561020323] [2021-11-25 19:07:05,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561020323] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:07:05,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376767483] [2021-11-25 19:07:05,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:05,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:07:05,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:07:05,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:07:05,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2251e3-48bc-4b5d-95ae-374b336adfdc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:07:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:07,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 3983 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:07:07,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:07:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 19:07:07,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:07:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 19:07:07,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376767483] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:07:07,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [826349276] [2021-11-25 19:07:07,756 INFO L159 IcfgInterpreter]: Started Sifa with 107 locations of interest [2021-11-25 19:07:07,756 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:07:07,761 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:07:07,766 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:07:07,767 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:07:27,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:28,622 INFO L244 Elim1Store]: Index analysis took 829 ms [2021-11-25 19:08:05,196 WARN L227 SmtUtils]: Spent 36.44s on a formula simplification. DAG size of input: 2064 DAG size of output: 1365 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:08:05,201 INFO L354 Elim1Store]: treesize reduction 2314, result has 46.8 percent of original size [2021-11-25 19:08:05,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 230 select indices, 230 select index equivalence classes, 26337 disjoint index pairs (out of 26335 index pairs), introduced 230 new quantified variables, introduced 229 case distinctions, treesize of input 1157 treesize of output 2738 [2021-11-25 19:08:08,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:09,665 INFO L244 Elim1Store]: Index analysis took 1153 ms [2021-11-25 19:09:00,265 WARN L227 SmtUtils]: Spent 50.52s on a formula simplification. DAG size of input: 2524 DAG size of output: 1377 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:09:00,269 INFO L354 Elim1Store]: treesize reduction 4122, result has 33.3 percent of original size [2021-11-25 19:09:00,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 232 select indices, 232 select index equivalence classes, 26567 disjoint index pairs (out of 26796 index pairs), introduced 232 new quantified variables, introduced 458 case distinctions, treesize of input 1167 treesize of output 2773 [2021-11-25 19:09:02,548 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 224 [2021-11-25 19:09:02,691 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 224 [2021-11-25 19:09:03,169 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 19:09:03,178 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 19:09:03,406 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 224 [2021-11-25 19:09:04,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 19:09:06,989 INFO L354 Elim1Store]: treesize reduction 61, result has 22.8 percent of original size [2021-11-25 19:09:06,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 36 [2021-11-25 19:09:07,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 19:09:10,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:10,477 INFO L244 Elim1Store]: Index analysis took 324 ms [2021-11-25 19:09:11,313 INFO L354 Elim1Store]: treesize reduction 2817, result has 6.6 percent of original size [2021-11-25 19:09:11,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 211 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 381 [2021-11-25 19:09:11,404 INFO L354 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2021-11-25 19:09:11,405 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 1 case distinctions, treesize of input 219 treesize of output 213 [2021-11-25 19:09:11,497 INFO L354 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2021-11-25 19:09:11,498 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 1 case distinctions, treesize of input 39 treesize of output 33 [2021-11-25 19:09:11,579 INFO L354 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2021-11-25 19:09:11,579 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 1 case distinctions, treesize of input 39 treesize of output 33 [2021-11-25 19:09:11,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:11,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,279 INFO L244 Elim1Store]: Index analysis took 381 ms [2021-11-25 19:09:12,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 277 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 215 [2021-11-25 19:09:12,419 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:09:12,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-25 19:09:12,614 INFO L354 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2021-11-25 19:09:12,614 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 8 case distinctions, treesize of input 34 treesize of output 52 [2021-11-25 19:09:12,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:12,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:13,271 INFO L244 Elim1Store]: Index analysis took 521 ms [2021-11-25 19:09:13,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 489 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 215 [2021-11-25 19:10:29,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5