./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d256a8b259faad28b260c065eb5db63197c2a9358a88ea40fe4f65cbd4165ef2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 19:49:12,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:49:12,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:49:12,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:49:12,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:49:12,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:49:12,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:49:12,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:49:12,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:49:12,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:49:12,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:49:12,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:49:12,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:49:12,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:49:12,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:49:12,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:49:12,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:49:12,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:49:12,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:49:12,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:49:12,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:49:12,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:49:12,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:49:12,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:49:12,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:49:12,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:49:12,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:49:12,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:49:12,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:49:12,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:49:12,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:49:12,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:49:12,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:49:12,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:49:12,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:49:12,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:49:12,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:49:12,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:49:12,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:49:12,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:49:12,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:49:12,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 19:49:12,921 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:49:12,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:49:12,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:49:12,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:49:12,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:49:12,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:49:12,923 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:49:12,923 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:49:12,924 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:49:12,924 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:49:12,924 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:49:12,924 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:49:12,924 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:49:12,925 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:49:12,925 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:49:12,925 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:49:12,925 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:49:12,926 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:49:12,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:49:12,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:49:12,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:49:12,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:49:12,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:49:12,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:49:12,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:49:12,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:49:12,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:49:12,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:49:12,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:49:12,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:49:12,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:49:12,930 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:49:12,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:49:12,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:49:12,930 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:49:12,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:49:12,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:49:12,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:49:12,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d256a8b259faad28b260c065eb5db63197c2a9358a88ea40fe4f65cbd4165ef2 [2022-11-16 19:49:13,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:49:13,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:49:13,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:49:13,199 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:49:13,200 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:49:13,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-16 19:49:13,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/data/e63f6ed9e/15780fa123e74182a387c3342fcaeeda/FLAG32c9ca858 [2022-11-16 19:49:14,049 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:49:14,050 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-16 19:49:14,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/data/e63f6ed9e/15780fa123e74182a387c3342fcaeeda/FLAG32c9ca858 [2022-11-16 19:49:14,129 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/data/e63f6ed9e/15780fa123e74182a387c3342fcaeeda [2022-11-16 19:49:14,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:49:14,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:49:14,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:49:14,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:49:14,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:49:14,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:49:14" (1/1) ... [2022-11-16 19:49:14,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64cba72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:14, skipping insertion in model container [2022-11-16 19:49:14,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:49:14" (1/1) ... [2022-11-16 19:49:14,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:49:14,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:49:15,580 WARN L229 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_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i[159905,159918] [2022-11-16 19:49:15,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:49:15,769 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:49:16,109 WARN L229 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_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i[159905,159918] [2022-11-16 19:49:16,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:49:16,270 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:49:16,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16 WrapperNode [2022-11-16 19:49:16,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:49:16,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:49:16,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:49:16,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:49:16,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (1/1) ... [2022-11-16 19:49:16,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (1/1) ... [2022-11-16 19:49:16,489 INFO L138 Inliner]: procedures = 259, calls = 1110, calls flagged for inlining = 115, calls inlined = 111, statements flattened = 2796 [2022-11-16 19:49:16,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:49:16,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:49:16,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:49:16,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:49:16,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (1/1) ... [2022-11-16 19:49:16,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (1/1) ... [2022-11-16 19:49:16,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (1/1) ... [2022-11-16 19:49:16,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (1/1) ... [2022-11-16 19:49:16,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (1/1) ... [2022-11-16 19:49:16,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (1/1) ... [2022-11-16 19:49:16,691 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (1/1) ... [2022-11-16 19:49:16,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (1/1) ... [2022-11-16 19:49:16,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:49:16,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:49:16,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:49:16,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:49:16,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (1/1) ... [2022-11-16 19:49:16,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:49:16,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:49:16,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:49:16,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:49:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 19:49:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 19:49:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 19:49:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 19:49:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_create [2022-11-16 19:49:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_create [2022-11-16 19:49:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 19:49:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 19:49:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-16 19:49:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-16 19:49:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 19:49:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 19:49:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 19:49:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 19:49:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_event [2022-11-16 19:49:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_event [2022-11-16 19:49:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 19:49:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 19:49:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_packet [2022-11-16 19:49:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_packet [2022-11-16 19:49:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 19:49:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 19:49:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 19:49:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 19:49:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 19:49:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 19:49:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-16 19:49:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-16 19:49:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_notify_readers [2022-11-16 19:49:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_notify_readers [2022-11-16 19:49:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 19:49:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 19:49:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:49:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 19:49:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 19:49:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_close_device [2022-11-16 19:49:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_close_device [2022-11-16 19:49:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 19:49:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_fasync [2022-11-16 19:49:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_fasync [2022-11-16 19:49:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-16 19:49:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-16 19:49:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mousedev [2022-11-16 19:49:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mousedev [2022-11-16 19:49:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_poll [2022-11-16 19:49:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_poll [2022-11-16 19:49:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 19:49:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 19:49:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-16 19:49:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-16 19:49:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2022-11-16 19:49:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2022-11-16 19:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:49:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_destroy [2022-11-16 19:49:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_destroy [2022-11-16 19:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 19:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2022-11-16 19:49:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2022-11-16 19:49:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-11-16 19:49:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-11-16 19:49:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-16 19:49:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-16 19:49:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_limit_delta [2022-11-16 19:49:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_limit_delta [2022-11-16 19:49:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 19:49:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 19:49:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 19:49:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 19:49:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 19:49:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 19:49:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 19:49:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 19:49:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:49:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_key_event [2022-11-16 19:49:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_key_event [2022-11-16 19:49:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 19:49:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 19:49:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-11-16 19:49:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-11-16 19:49:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 19:49:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 19:49:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-16 19:49:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-16 19:49:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 19:49:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 19:49:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2022-11-16 19:49:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2022-11-16 19:49:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:49:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure input_close_device [2022-11-16 19:49:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure input_close_device [2022-11-16 19:49:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-16 19:49:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-16 19:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-16 19:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-16 19:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 19:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 19:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_new_minor [2022-11-16 19:49:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_new_minor [2022-11-16 19:49:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 19:49:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 19:49:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 19:49:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:49:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_write [2022-11-16 19:49:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_write [2022-11-16 19:49:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 19:49:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 19:49:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handle [2022-11-16 19:49:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handle [2022-11-16 19:49:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 19:49:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-16 19:49:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-16 19:49:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 19:49:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mousedev [2022-11-16 19:49:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mousedev [2022-11-16 19:49:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-16 19:49:16,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-16 19:49:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_detach_client [2022-11-16 19:49:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_detach_client [2022-11-16 19:49:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2022-11-16 19:49:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2022-11-16 19:49:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-16 19:49:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-16 19:49:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-16 19:49:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-16 19:49:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_minor [2022-11-16 19:49:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_minor [2022-11-16 19:49:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_cleanup [2022-11-16 19:49:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_cleanup [2022-11-16 19:49:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open_device [2022-11-16 19:49:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open_device [2022-11-16 19:49:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_disconnect [2022-11-16 19:49:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_disconnect [2022-11-16 19:49:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2022-11-16 19:49:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2022-11-16 19:49:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 19:49:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 19:49:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 19:49:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 19:49:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:49:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:49:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:49:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 19:49:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 19:49:17,477 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:49:17,480 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:49:17,810 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 19:49:22,481 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:49:23,630 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:49:23,631 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 19:49:23,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:49:23 BoogieIcfgContainer [2022-11-16 19:49:23,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:49:23,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:49:23,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:49:23,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:49:23,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:49:14" (1/3) ... [2022-11-16 19:49:23,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af5f1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:49:23, skipping insertion in model container [2022-11-16 19:49:23,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:16" (2/3) ... [2022-11-16 19:49:23,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af5f1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:49:23, skipping insertion in model container [2022-11-16 19:49:23,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:49:23" (3/3) ... [2022-11-16 19:49:23,657 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-16 19:49:23,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:49:23,679 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 19:49:23,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:49:23,760 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@11619a8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:49:23,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 19:49:23,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 655 states, 396 states have (on average 1.3611111111111112) internal successors, (539), 428 states have internal predecessors, (539), 195 states have call successors, (195), 63 states have call predecessors, (195), 62 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) [2022-11-16 19:49:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-16 19:49:23,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:49:23,788 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:49:23,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:49:23,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:49:23,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1868737372, now seen corresponding path program 1 times [2022-11-16 19:49:23,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:49:23,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172125395] [2022-11-16 19:49:23,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:49:23,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:49:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:49:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-16 19:49:24,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:49:24,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172125395] [2022-11-16 19:49:24,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172125395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:49:24,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:49:24,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:49:24,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263881105] [2022-11-16 19:49:24,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:49:24,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:49:24,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:49:24,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:49:24,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:49:24,902 INFO L87 Difference]: Start difference. First operand has 655 states, 396 states have (on average 1.3611111111111112) internal successors, (539), 428 states have internal predecessors, (539), 195 states have call successors, (195), 63 states have call predecessors, (195), 62 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-16 19:49:26,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:49:30,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:49:32,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:49:32,010 INFO L93 Difference]: Finished difference Result 1689 states and 2421 transitions. [2022-11-16 19:49:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:49:32,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 192 [2022-11-16 19:49:32,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:49:32,033 INFO L225 Difference]: With dead ends: 1689 [2022-11-16 19:49:32,034 INFO L226 Difference]: Without dead ends: 1060 [2022-11-16 19:49:32,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:49:32,046 INFO L413 NwaCegarLoop]: 907 mSDtfsCounter, 561 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 1676 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-16 19:49:32,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 1676 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 279 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-16 19:49:32,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2022-11-16 19:49:32,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1045. [2022-11-16 19:49:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 635 states have (on average 1.337007874015748) internal successors, (849), 674 states have internal predecessors, (849), 301 states have call successors, (301), 109 states have call predecessors, (301), 108 states have return successors, (294), 289 states have call predecessors, (294), 294 states have call successors, (294) [2022-11-16 19:49:32,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1444 transitions. [2022-11-16 19:49:32,202 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1444 transitions. Word has length 192 [2022-11-16 19:49:32,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:49:32,203 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 1444 transitions. [2022-11-16 19:49:32,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-16 19:49:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1444 transitions. [2022-11-16 19:49:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-16 19:49:32,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:49:32,209 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:49:32,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:49:32,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:49:32,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:49:32,210 INFO L85 PathProgramCache]: Analyzing trace with hash 622158684, now seen corresponding path program 1 times [2022-11-16 19:49:32,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:49:32,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955620926] [2022-11-16 19:49:32,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:49:32,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:49:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:49:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-16 19:49:32,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:49:32,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955620926] [2022-11-16 19:49:32,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955620926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:49:32,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:49:32,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:49:32,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499901559] [2022-11-16 19:49:32,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:49:32,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:49:32,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:49:32,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:49:32,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:49:32,704 INFO L87 Difference]: Start difference. First operand 1045 states and 1444 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-16 19:49:34,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:49:40,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:49:40,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:49:40,870 INFO L93 Difference]: Finished difference Result 2956 states and 4076 transitions. [2022-11-16 19:49:40,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:49:40,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 193 [2022-11-16 19:49:40,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:49:40,884 INFO L225 Difference]: With dead ends: 2956 [2022-11-16 19:49:40,884 INFO L226 Difference]: Without dead ends: 1950 [2022-11-16 19:49:40,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:49:40,889 INFO L413 NwaCegarLoop]: 1155 mSDtfsCounter, 822 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 1905 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:49:40,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 1905 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 311 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-11-16 19:49:40,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2022-11-16 19:49:40,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1945. [2022-11-16 19:49:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1190 states have (on average 1.3386554621848739) internal successors, (1593), 1257 states have internal predecessors, (1593), 546 states have call successors, (546), 209 states have call predecessors, (546), 208 states have return successors, (539), 530 states have call predecessors, (539), 539 states have call successors, (539) [2022-11-16 19:49:41,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2678 transitions. [2022-11-16 19:49:41,008 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2678 transitions. Word has length 193 [2022-11-16 19:49:41,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:49:41,009 INFO L495 AbstractCegarLoop]: Abstraction has 1945 states and 2678 transitions. [2022-11-16 19:49:41,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-16 19:49:41,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2678 transitions. [2022-11-16 19:49:41,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-16 19:49:41,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:49:41,014 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:49:41,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 19:49:41,015 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:49:41,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:49:41,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1382367586, now seen corresponding path program 1 times [2022-11-16 19:49:41,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:49:41,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921070014] [2022-11-16 19:49:41,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:49:41,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:49:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:49:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-16 19:49:41,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:49:41,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921070014] [2022-11-16 19:49:41,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921070014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:49:41,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:49:41,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:49:41,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281210405] [2022-11-16 19:49:41,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:49:41,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:49:41,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:49:41,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:49:41,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:49:41,408 INFO L87 Difference]: Start difference. First operand 1945 states and 2678 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 19:49:43,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:49:48,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:49:48,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:49:48,802 INFO L93 Difference]: Finished difference Result 4827 states and 6613 transitions. [2022-11-16 19:49:48,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:49:48,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 213 [2022-11-16 19:49:48,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:49:48,821 INFO L225 Difference]: With dead ends: 4827 [2022-11-16 19:49:48,821 INFO L226 Difference]: Without dead ends: 2921 [2022-11-16 19:49:48,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:49:48,829 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 581 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-16 19:49:48,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1619 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 286 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-11-16 19:49:48,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2022-11-16 19:49:48,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2896. [2022-11-16 19:49:48,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2896 states, 1769 states have (on average 1.3403052572074619) internal successors, (2371), 1870 states have internal predecessors, (2371), 794 states have call successors, (794), 343 states have call predecessors, (794), 332 states have return successors, (795), 756 states have call predecessors, (795), 787 states have call successors, (795) [2022-11-16 19:49:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 3960 transitions. [2022-11-16 19:49:48,981 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 3960 transitions. Word has length 213 [2022-11-16 19:49:48,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:49:48,982 INFO L495 AbstractCegarLoop]: Abstraction has 2896 states and 3960 transitions. [2022-11-16 19:49:48,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 19:49:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3960 transitions. [2022-11-16 19:49:48,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-16 19:49:48,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:49:48,986 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:49:48,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 19:49:48,986 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:49:48,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:49:48,987 INFO L85 PathProgramCache]: Analyzing trace with hash -133391451, now seen corresponding path program 1 times [2022-11-16 19:49:48,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:49:48,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965275913] [2022-11-16 19:49:48,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:49:48,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:49:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:49:49,943 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-16 19:49:49,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:49:49,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965275913] [2022-11-16 19:49:49,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965275913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:49:49,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:49:49,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:49:49,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076874636] [2022-11-16 19:49:49,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:49:49,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:49:49,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:49:49,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:49:49,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:49:49,946 INFO L87 Difference]: Start difference. First operand 2896 states and 3960 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 19:49:51,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:49:55,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:49:58,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:00,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:01,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:50:01,838 INFO L93 Difference]: Finished difference Result 8133 states and 11196 transitions. [2022-11-16 19:50:01,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:50:01,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 217 [2022-11-16 19:50:01,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:50:01,870 INFO L225 Difference]: With dead ends: 8133 [2022-11-16 19:50:01,870 INFO L226 Difference]: Without dead ends: 5275 [2022-11-16 19:50:01,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:50:01,887 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1158 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 519 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:50:01,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 1097 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1259 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2022-11-16 19:50:01,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5275 states. [2022-11-16 19:50:02,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5275 to 5228. [2022-11-16 19:50:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5228 states, 3242 states have (on average 1.3470080197409007) internal successors, (4367), 3437 states have internal predecessors, (4367), 1397 states have call successors, (1397), 631 states have call predecessors, (1397), 588 states have return successors, (1426), 1277 states have call predecessors, (1426), 1386 states have call successors, (1426) [2022-11-16 19:50:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 7190 transitions. [2022-11-16 19:50:02,261 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 7190 transitions. Word has length 217 [2022-11-16 19:50:02,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:50:02,262 INFO L495 AbstractCegarLoop]: Abstraction has 5228 states and 7190 transitions. [2022-11-16 19:50:02,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 19:50:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 7190 transitions. [2022-11-16 19:50:02,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-16 19:50:02,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:50:02,267 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:50:02,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 19:50:02,268 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:50:02,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:50:02,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1747375826, now seen corresponding path program 1 times [2022-11-16 19:50:02,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:50:02,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868240975] [2022-11-16 19:50:02,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:50:02,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:50:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:50:02,624 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-16 19:50:02,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:50:02,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868240975] [2022-11-16 19:50:02,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868240975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:50:02,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:50:02,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:50:02,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938731345] [2022-11-16 19:50:02,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:50:02,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:50:02,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:50:02,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:50:02,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:50:02,630 INFO L87 Difference]: Start difference. First operand 5228 states and 7190 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 19:50:04,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:07,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:07,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:50:07,690 INFO L93 Difference]: Finished difference Result 5230 states and 7191 transitions. [2022-11-16 19:50:07,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:50:07,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 218 [2022-11-16 19:50:07,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:50:07,726 INFO L225 Difference]: With dead ends: 5230 [2022-11-16 19:50:07,727 INFO L226 Difference]: Without dead ends: 5227 [2022-11-16 19:50:07,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:50:07,732 INFO L413 NwaCegarLoop]: 774 mSDtfsCounter, 851 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:50:07,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 774 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-16 19:50:07,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5227 states. [2022-11-16 19:50:08,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5227 to 5227. [2022-11-16 19:50:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5227 states, 3242 states have (on average 1.3463911165946947) internal successors, (4365), 3436 states have internal predecessors, (4365), 1396 states have call successors, (1396), 631 states have call predecessors, (1396), 588 states have return successors, (1426), 1277 states have call predecessors, (1426), 1386 states have call successors, (1426) [2022-11-16 19:50:08,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 7187 transitions. [2022-11-16 19:50:08,150 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 7187 transitions. Word has length 218 [2022-11-16 19:50:08,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:50:08,151 INFO L495 AbstractCegarLoop]: Abstraction has 5227 states and 7187 transitions. [2022-11-16 19:50:08,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 19:50:08,152 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 7187 transitions. [2022-11-16 19:50:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-16 19:50:08,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:50:08,156 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:50:08,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 19:50:08,157 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:50:08,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:50:08,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1665672075, now seen corresponding path program 1 times [2022-11-16 19:50:08,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:50:08,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499462355] [2022-11-16 19:50:08,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:50:08,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:50:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:50:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-16 19:50:08,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:50:08,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499462355] [2022-11-16 19:50:08,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499462355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:50:08,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:50:08,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:50:08,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947267677] [2022-11-16 19:50:08,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:50:08,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:50:08,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:50:08,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:50:08,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:50:08,485 INFO L87 Difference]: Start difference. First operand 5227 states and 7187 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 19:50:10,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:13,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:13,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:50:13,630 INFO L93 Difference]: Finished difference Result 5229 states and 7188 transitions. [2022-11-16 19:50:13,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:50:13,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 219 [2022-11-16 19:50:13,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:50:13,660 INFO L225 Difference]: With dead ends: 5229 [2022-11-16 19:50:13,660 INFO L226 Difference]: Without dead ends: 5226 [2022-11-16 19:50:13,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:50:13,665 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 848 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-16 19:50:13,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 772 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-16 19:50:13,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5226 states. [2022-11-16 19:50:14,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5226 to 5226. [2022-11-16 19:50:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5226 states, 3242 states have (on average 1.3457742134484887) internal successors, (4363), 3435 states have internal predecessors, (4363), 1395 states have call successors, (1395), 631 states have call predecessors, (1395), 588 states have return successors, (1426), 1277 states have call predecessors, (1426), 1386 states have call successors, (1426) [2022-11-16 19:50:14,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5226 states to 5226 states and 7184 transitions. [2022-11-16 19:50:14,048 INFO L78 Accepts]: Start accepts. Automaton has 5226 states and 7184 transitions. Word has length 219 [2022-11-16 19:50:14,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:50:14,049 INFO L495 AbstractCegarLoop]: Abstraction has 5226 states and 7184 transitions. [2022-11-16 19:50:14,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 19:50:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 5226 states and 7184 transitions. [2022-11-16 19:50:14,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-16 19:50:14,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:50:14,054 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:50:14,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 19:50:14,055 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:50:14,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:50:14,055 INFO L85 PathProgramCache]: Analyzing trace with hash 95979473, now seen corresponding path program 1 times [2022-11-16 19:50:14,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:50:14,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072852104] [2022-11-16 19:50:14,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:50:14,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:50:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:50:14,383 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-16 19:50:14,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:50:14,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072852104] [2022-11-16 19:50:14,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072852104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:50:14,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:50:14,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:50:14,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511412178] [2022-11-16 19:50:14,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:50:14,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:50:14,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:50:14,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:50:14,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:50:14,387 INFO L87 Difference]: Start difference. First operand 5226 states and 7184 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 19:50:16,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:20,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:50:21,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:50:21,463 INFO L93 Difference]: Finished difference Result 5252 states and 7225 transitions. [2022-11-16 19:50:21,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:50:21,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 220 [2022-11-16 19:50:21,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:50:21,504 INFO L225 Difference]: With dead ends: 5252 [2022-11-16 19:50:21,504 INFO L226 Difference]: Without dead ends: 5215 [2022-11-16 19:50:21,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:50:21,510 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 844 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:50:21,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 772 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-11-16 19:50:21,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5215 states. [2022-11-16 19:50:21,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5215 to 5189. [2022-11-16 19:50:21,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5189 states, 3221 states have (on average 1.3449239366656318) internal successors, (4332), 3413 states have internal predecessors, (4332), 1386 states have call successors, (1386), 625 states have call predecessors, (1386), 581 states have return successors, (1406), 1267 states have call predecessors, (1406), 1366 states have call successors, (1406) [2022-11-16 19:50:21,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7124 transitions. [2022-11-16 19:50:21,922 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7124 transitions. Word has length 220 [2022-11-16 19:50:21,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:50:21,923 INFO L495 AbstractCegarLoop]: Abstraction has 5189 states and 7124 transitions. [2022-11-16 19:50:21,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 19:50:21,923 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7124 transitions. [2022-11-16 19:50:21,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-16 19:50:21,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:50:21,927 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:50:21,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 19:50:21,927 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:50:21,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:50:21,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1186159079, now seen corresponding path program 1 times [2022-11-16 19:50:21,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:50:21,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891773732] [2022-11-16 19:50:21,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:50:21,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:50:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:50:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-16 19:50:22,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:50:22,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891773732] [2022-11-16 19:50:22,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891773732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:50:22,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:50:22,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:50:22,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90282256] [2022-11-16 19:50:22,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:50:22,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:50:22,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:50:22,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:50:22,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:50:22,457 INFO L87 Difference]: Start difference. First operand 5189 states and 7124 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-16 19:50:24,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:27,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:29,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:50:31,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:31,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:50:31,776 INFO L93 Difference]: Finished difference Result 5395 states and 7326 transitions. [2022-11-16 19:50:31,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:50:31,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 226 [2022-11-16 19:50:31,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:50:31,812 INFO L225 Difference]: With dead ends: 5395 [2022-11-16 19:50:31,813 INFO L226 Difference]: Without dead ends: 5161 [2022-11-16 19:50:31,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:50:31,819 INFO L413 NwaCegarLoop]: 766 mSDtfsCounter, 52 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:50:31,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1482 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 262 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-16 19:50:31,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5161 states. [2022-11-16 19:50:32,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5161 to 5128. [2022-11-16 19:50:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5128 states, 3201 states have (on average 1.3414557950640424) internal successors, (4294), 3368 states have internal predecessors, (4294), 1343 states have call successors, (1343), 632 states have call predecessors, (1343), 583 states have return successors, (1366), 1238 states have call predecessors, (1366), 1326 states have call successors, (1366) [2022-11-16 19:50:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 7003 transitions. [2022-11-16 19:50:32,184 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 7003 transitions. Word has length 226 [2022-11-16 19:50:32,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:50:32,184 INFO L495 AbstractCegarLoop]: Abstraction has 5128 states and 7003 transitions. [2022-11-16 19:50:32,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-16 19:50:32,185 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 7003 transitions. [2022-11-16 19:50:32,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-16 19:50:32,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:50:32,190 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:50:32,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 19:50:32,190 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:50:32,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:50:32,191 INFO L85 PathProgramCache]: Analyzing trace with hash -787050600, now seen corresponding path program 1 times [2022-11-16 19:50:32,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:50:32,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107045701] [2022-11-16 19:50:32,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:50:32,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:50:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:50:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-16 19:50:32,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:50:32,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107045701] [2022-11-16 19:50:32,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107045701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:50:32,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:50:32,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:50:32,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305846499] [2022-11-16 19:50:32,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:50:32,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:50:32,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:50:32,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:50:32,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:50:32,577 INFO L87 Difference]: Start difference. First operand 5128 states and 7003 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 19:50:34,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:38,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:43,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:50:43,524 INFO L93 Difference]: Finished difference Result 13058 states and 17918 transitions. [2022-11-16 19:50:43,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:50:43,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 252 [2022-11-16 19:50:43,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:50:43,559 INFO L225 Difference]: With dead ends: 13058 [2022-11-16 19:50:43,559 INFO L226 Difference]: Without dead ends: 7935 [2022-11-16 19:50:43,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:50:43,582 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 754 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:50:43,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1986 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 358 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2022-11-16 19:50:43,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7935 states. [2022-11-16 19:50:44,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7935 to 7836. [2022-11-16 19:50:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7836 states, 4930 states have (on average 1.3519269776876268) internal successors, (6665), 5202 states have internal predecessors, (6665), 2015 states have call successors, (2015), 956 states have call predecessors, (2015), 890 states have return successors, (2080), 1861 states have call predecessors, (2080), 1995 states have call successors, (2080) [2022-11-16 19:50:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7836 states to 7836 states and 10760 transitions. [2022-11-16 19:50:44,146 INFO L78 Accepts]: Start accepts. Automaton has 7836 states and 10760 transitions. Word has length 252 [2022-11-16 19:50:44,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:50:44,147 INFO L495 AbstractCegarLoop]: Abstraction has 7836 states and 10760 transitions. [2022-11-16 19:50:44,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 19:50:44,147 INFO L276 IsEmpty]: Start isEmpty. Operand 7836 states and 10760 transitions. [2022-11-16 19:50:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-11-16 19:50:44,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:50:44,154 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:50:44,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 19:50:44,154 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:50:44,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:50:44,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1866716420, now seen corresponding path program 1 times [2022-11-16 19:50:44,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:50:44,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641548222] [2022-11-16 19:50:44,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:50:44,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:50:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:50:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-16 19:50:44,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:50:44,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641548222] [2022-11-16 19:50:44,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641548222] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:50:44,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602106189] [2022-11-16 19:50:44,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:50:44,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:50:44,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:50:44,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:50:44,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 19:50:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:50:45,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 2831 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 19:50:45,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:50:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 84 proven. 6 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2022-11-16 19:50:45,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:50:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2022-11-16 19:50:46,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602106189] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 19:50:46,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 19:50:46,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 5 [2022-11-16 19:50:46,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514524643] [2022-11-16 19:50:46,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:50:46,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:50:46,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:50:46,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:50:46,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:50:46,290 INFO L87 Difference]: Start difference. First operand 7836 states and 10760 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 19:50:48,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:53,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:50:55,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:50:57,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:50:58,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:50:58,500 INFO L93 Difference]: Finished difference Result 18900 states and 25946 transitions. [2022-11-16 19:50:58,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:50:58,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 260 [2022-11-16 19:50:58,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:50:58,550 INFO L225 Difference]: With dead ends: 18900 [2022-11-16 19:50:58,550 INFO L226 Difference]: Without dead ends: 11095 [2022-11-16 19:50:58,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:50:58,586 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 814 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 12 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:50:58,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 1646 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 275 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2022-11-16 19:50:58,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11095 states. [2022-11-16 19:50:59,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11095 to 11029. [2022-11-16 19:50:59,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11029 states, 6952 states have (on average 1.3563003452243958) internal successors, (9429), 7329 states have internal predecessors, (9429), 2813 states have call successors, (2813), 1351 states have call predecessors, (2813), 1263 states have return successors, (2893), 2605 states have call predecessors, (2893), 2787 states have call successors, (2893) [2022-11-16 19:50:59,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11029 states to 11029 states and 15135 transitions. [2022-11-16 19:50:59,558 INFO L78 Accepts]: Start accepts. Automaton has 11029 states and 15135 transitions. Word has length 260 [2022-11-16 19:50:59,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:50:59,559 INFO L495 AbstractCegarLoop]: Abstraction has 11029 states and 15135 transitions. [2022-11-16 19:50:59,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 19:50:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 11029 states and 15135 transitions. [2022-11-16 19:50:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-16 19:50:59,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:50:59,570 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:50:59,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 19:50:59,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 19:50:59,781 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:50:59,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:50:59,782 INFO L85 PathProgramCache]: Analyzing trace with hash -654700, now seen corresponding path program 1 times [2022-11-16 19:50:59,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:50:59,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976314153] [2022-11-16 19:50:59,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:50:59,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:51:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:51:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-11-16 19:51:00,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:51:00,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976314153] [2022-11-16 19:51:00,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976314153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:51:00,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:51:00,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:51:00,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981587732] [2022-11-16 19:51:00,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:51:00,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:51:00,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:51:00,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:51:00,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:51:00,343 INFO L87 Difference]: Start difference. First operand 11029 states and 15135 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-16 19:51:02,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:51:05,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:51:08,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:51:10,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:51:12,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:51:12,507 INFO L93 Difference]: Finished difference Result 23715 states and 32825 transitions. [2022-11-16 19:51:12,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:51:12,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 286 [2022-11-16 19:51:12,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:51:12,563 INFO L225 Difference]: With dead ends: 23715 [2022-11-16 19:51:12,564 INFO L226 Difference]: Without dead ends: 12733 [2022-11-16 19:51:12,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:51:12,603 INFO L413 NwaCegarLoop]: 1006 mSDtfsCounter, 1190 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 95 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 2162 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-16 19:51:12,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 2162 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 452 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2022-11-16 19:51:12,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12733 states. [2022-11-16 19:51:13,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12733 to 11219. [2022-11-16 19:51:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11219 states, 7060 states have (on average 1.3538243626062323) internal successors, (9558), 7451 states have internal predecessors, (9558), 2858 states have call successors, (2858), 1387 states have call predecessors, (2858), 1300 states have return successors, (2939), 2643 states have call predecessors, (2939), 2832 states have call successors, (2939) [2022-11-16 19:51:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11219 states to 11219 states and 15355 transitions. [2022-11-16 19:51:13,580 INFO L78 Accepts]: Start accepts. Automaton has 11219 states and 15355 transitions. Word has length 286 [2022-11-16 19:51:13,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:51:13,581 INFO L495 AbstractCegarLoop]: Abstraction has 11219 states and 15355 transitions. [2022-11-16 19:51:13,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-16 19:51:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 11219 states and 15355 transitions. [2022-11-16 19:51:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-16 19:51:13,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:51:13,591 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:51:13,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 19:51:13,592 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:51:13,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:51:13,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1273290634, now seen corresponding path program 1 times [2022-11-16 19:51:13,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:51:13,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208245044] [2022-11-16 19:51:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:51:13,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:51:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:51:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-11-16 19:51:15,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:51:15,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208245044] [2022-11-16 19:51:15,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208245044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:51:15,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:51:15,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 19:51:15,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542023704] [2022-11-16 19:51:15,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:51:15,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 19:51:15,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:51:15,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 19:51:15,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 19:51:15,346 INFO L87 Difference]: Start difference. First operand 11219 states and 15355 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-16 19:51:17,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:51:20,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:51:25,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:51:27,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:51:30,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:51:33,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:51:34,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:51:34,570 INFO L93 Difference]: Finished difference Result 16099 states and 22119 transitions. [2022-11-16 19:51:34,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 19:51:34,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 286 [2022-11-16 19:51:34,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:51:34,636 INFO L225 Difference]: With dead ends: 16099 [2022-11-16 19:51:34,636 INFO L226 Difference]: Without dead ends: 16060 [2022-11-16 19:51:34,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:51:34,645 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 2609 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 1718 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2735 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 3471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1718 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-16 19:51:34,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2735 Valid, 1311 Invalid, 3471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1718 Valid, 1749 Invalid, 4 Unknown, 0 Unchecked, 18.2s Time] [2022-11-16 19:51:34,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16060 states. [2022-11-16 19:51:35,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16060 to 15797. [2022-11-16 19:51:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15797 states, 10010 states have (on average 1.3612387612387613) internal successors, (13626), 10568 states have internal predecessors, (13626), 3956 states have call successors, (3956), 1917 states have call predecessors, (3956), 1830 states have return successors, (4075), 3689 states have call predecessors, (4075), 3930 states have call successors, (4075) [2022-11-16 19:51:35,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15797 states to 15797 states and 21657 transitions. [2022-11-16 19:51:35,804 INFO L78 Accepts]: Start accepts. Automaton has 15797 states and 21657 transitions. Word has length 286 [2022-11-16 19:51:35,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:51:35,805 INFO L495 AbstractCegarLoop]: Abstraction has 15797 states and 21657 transitions. [2022-11-16 19:51:35,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-16 19:51:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 15797 states and 21657 transitions. [2022-11-16 19:51:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-16 19:51:35,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:51:35,815 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:51:35,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 19:51:35,816 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:51:35,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:51:35,816 INFO L85 PathProgramCache]: Analyzing trace with hash -389094904, now seen corresponding path program 1 times [2022-11-16 19:51:35,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:51:35,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856389176] [2022-11-16 19:51:35,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:51:35,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:51:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:51:37,154 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-11-16 19:51:37,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:51:37,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856389176] [2022-11-16 19:51:37,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856389176] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:51:37,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103942488] [2022-11-16 19:51:37,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:51:37,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:51:37,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:51:37,156 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:51:37,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 19:51:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:51:38,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 3083 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 19:51:38,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:51:38,555 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-11-16 19:51:38,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:51:38,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103942488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:51:38,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:51:38,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-16 19:51:38,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920634236] [2022-11-16 19:51:38,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:51:38,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:51:38,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:51:38,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:51:38,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 19:51:38,558 INFO L87 Difference]: Start difference. First operand 15797 states and 21657 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-16 19:51:40,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:51:44,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:51:47,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:51:49,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:51:52,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:51:52,963 INFO L93 Difference]: Finished difference Result 32176 states and 44353 transitions. [2022-11-16 19:51:52,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:51:52,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 287 [2022-11-16 19:51:52,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:51:53,039 INFO L225 Difference]: With dead ends: 32176 [2022-11-16 19:51:53,040 INFO L226 Difference]: Without dead ends: 16063 [2022-11-16 19:51:53,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-16 19:51:53,083 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 75 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 25 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2266 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-16 19:51:53,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2266 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 394 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2022-11-16 19:51:53,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16063 states. [2022-11-16 19:51:54,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16063 to 16051. [2022-11-16 19:51:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16051 states, 10169 states have (on average 1.3587373389713837) internal successors, (13817), 10753 states have internal predecessors, (13817), 4043 states have call successors, (4043), 1923 states have call predecessors, (4043), 1838 states have return successors, (4159), 3770 states have call predecessors, (4159), 4014 states have call successors, (4159) [2022-11-16 19:51:54,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16051 states to 16051 states and 22019 transitions. [2022-11-16 19:51:54,608 INFO L78 Accepts]: Start accepts. Automaton has 16051 states and 22019 transitions. Word has length 287 [2022-11-16 19:51:54,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:51:54,609 INFO L495 AbstractCegarLoop]: Abstraction has 16051 states and 22019 transitions. [2022-11-16 19:51:54,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-16 19:51:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand 16051 states and 22019 transitions. [2022-11-16 19:51:54,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-16 19:51:54,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:51:54,619 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:51:54,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 19:51:54,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-16 19:51:54,831 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:51:54,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:51:54,832 INFO L85 PathProgramCache]: Analyzing trace with hash -988783886, now seen corresponding path program 1 times [2022-11-16 19:51:54,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:51:54,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183369879] [2022-11-16 19:51:54,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:51:54,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:51:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:51:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-11-16 19:51:55,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:51:55,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183369879] [2022-11-16 19:51:55,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183369879] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:51:55,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925700835] [2022-11-16 19:51:55,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:51:55,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:51:55,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:51:55,872 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:51:55,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 19:51:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:51:57,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 19:51:57,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:51:57,564 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2022-11-16 19:51:57,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:51:57,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925700835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:51:57,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:51:57,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2022-11-16 19:51:57,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285806960] [2022-11-16 19:51:57,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:51:57,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 19:51:57,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:51:57,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 19:51:57,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:51:57,569 INFO L87 Difference]: Start difference. First operand 16051 states and 22019 transitions. Second operand has 6 states, 4 states have (on average 23.5) internal successors, (94), 6 states have internal predecessors, (94), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-16 19:51:59,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:52:03,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:52:06,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:52:11,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:52:13,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:52:16,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:52:16,181 INFO L93 Difference]: Finished difference Result 32126 states and 44267 transitions. [2022-11-16 19:52:16,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 19:52:16,181 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 23.5) internal successors, (94), 6 states have internal predecessors, (94), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 287 [2022-11-16 19:52:16,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:52:16,255 INFO L225 Difference]: With dead ends: 32126 [2022-11-16 19:52:16,255 INFO L226 Difference]: Without dead ends: 16076 [2022-11-16 19:52:16,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-16 19:52:16,301 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 3 mSDsluCounter, 2998 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-16 19:52:16,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3754 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 714 Invalid, 4 Unknown, 0 Unchecked, 17.4s Time] [2022-11-16 19:52:16,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16076 states. [2022-11-16 19:52:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16076 to 16076. [2022-11-16 19:52:17,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16076 states, 10194 states have (on average 1.3578575632725132) internal successors, (13842), 10778 states have internal predecessors, (13842), 4043 states have call successors, (4043), 1923 states have call predecessors, (4043), 1838 states have return successors, (4159), 3770 states have call predecessors, (4159), 4014 states have call successors, (4159) [2022-11-16 19:52:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16076 states to 16076 states and 22044 transitions. [2022-11-16 19:52:17,744 INFO L78 Accepts]: Start accepts. Automaton has 16076 states and 22044 transitions. Word has length 287 [2022-11-16 19:52:17,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:52:17,745 INFO L495 AbstractCegarLoop]: Abstraction has 16076 states and 22044 transitions. [2022-11-16 19:52:17,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 23.5) internal successors, (94), 6 states have internal predecessors, (94), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-16 19:52:17,745 INFO L276 IsEmpty]: Start isEmpty. Operand 16076 states and 22044 transitions. [2022-11-16 19:52:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-11-16 19:52:17,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:52:17,756 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:52:17,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 19:52:17,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:52:17,969 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:52:17,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:52:17,969 INFO L85 PathProgramCache]: Analyzing trace with hash 166394559, now seen corresponding path program 1 times [2022-11-16 19:52:17,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:52:17,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799955873] [2022-11-16 19:52:17,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:52:17,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:52:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:52:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 2 proven. 65 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-11-16 19:52:19,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:52:19,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799955873] [2022-11-16 19:52:19,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799955873] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:52:19,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600754140] [2022-11-16 19:52:19,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:52:19,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:52:19,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:52:19,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:52:19,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ebd61b-5ec8-4b42-bd3e-077b49df0cb4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 19:52:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:52:23,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 3217 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 19:52:23,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:52:23,584 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 160 proven. 1 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2022-11-16 19:52:23,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:52:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 2 proven. 65 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-11-16 19:52:24,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600754140] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:52:24,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1696150187] [2022-11-16 19:52:24,091 INFO L159 IcfgInterpreter]: Started Sifa with 127 locations of interest [2022-11-16 19:52:24,091 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:52:24,095 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:52:24,101 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:52:24,101 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:52:25,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 85 [2022-11-16 19:52:25,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-16 19:52:25,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-16 19:52:25,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-16 19:52:26,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-16 19:52:26,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-16 19:52:26,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-16 19:52:26,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 84 [2022-11-16 19:52:26,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-16 19:52:26,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-16 19:52:26,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-16 19:52:26,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-16 19:52:26,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 37 [2022-11-16 19:52:26,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-16 19:52:26,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:26,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-16 19:52:26,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-16 19:52:26,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:27,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-16 19:52:27,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:27,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:27,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 63 [2022-11-16 19:52:27,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:27,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-16 19:52:27,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-16 19:52:27,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:52:27,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:52:27,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:27,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:27,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:27,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-16 19:52:28,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:28,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 63 [2022-11-16 19:52:28,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2022-11-16 19:52:28,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:28,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:28,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-16 19:52:28,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-16 19:52:28,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:28,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-16 19:52:28,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-16 19:52:28,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-16 19:52:28,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-16 19:52:29,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:29,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2022-11-16 19:52:29,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:29,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:29,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:29,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:29,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-16 19:52:29,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:52:29,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:52:29,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:52:29,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:29,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:29,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:30,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-16 19:52:30,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 61 [2022-11-16 19:52:30,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:30,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:30,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:30,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-16 19:52:30,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:52:30,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:52:30,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:30,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:30,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-16 19:52:30,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-16 19:52:31,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2022-11-16 19:52:31,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:31,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:31,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:31,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:52:31,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-16 19:52:31,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-16 19:52:31,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-16 19:52:31,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-16 19:52:32,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:52:32,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:52:32,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:52:32,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:52:32,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:52:32,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:52:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:52:32,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:52:32,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:52:32,511 INFO L217 Elim1Store]: Index analysis took 446 ms [2022-11-16 19:53:01,185 WARN L233 SmtUtils]: Spent 28.65s on a formula simplification. DAG size of input: 1653 DAG size of output: 644 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 19:53:01,200 INFO L321 Elim1Store]: treesize reduction 8352, result has 12.5 percent of original size [2022-11-16 19:53:01,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 453 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 332 case distinctions, treesize of input 370 treesize of output 1465 [2022-11-16 19:53:02,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-16 19:53:02,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:53:02,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:53:02,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:53:02,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:02,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-16 19:53:03,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:03,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:03,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 61 [2022-11-16 19:53:03,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:03,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:03,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:03,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:03,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:03,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:03,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 712 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 278 [2022-11-16 19:53:04,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-16 19:53:04,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-16 19:53:04,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:53:04,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-16 19:53:04,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:04,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:04,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:05,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-16 19:53:05,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-16 19:53:05,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:05,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2022-11-16 19:53:05,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:05,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:53:11,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 19:53:11,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 19:53:11,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-16 19:53:14,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:15,375 INFO L217 Elim1Store]: Index analysis took 519 ms [2022-11-16 19:53:15,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 199 select indices, 199 select index equivalence classes, 13137 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 1742 treesize of output 598 [2022-11-16 19:53:16,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 741 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 118 [2022-11-16 19:53:16,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:16,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 712 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 115 [2022-11-16 19:53:25,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:25,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:25,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:25,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:25,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:25,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:25,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:25,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:25,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:25,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 712 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 115 [2022-11-16 19:53:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:26,579 INFO L217 Elim1Store]: Index analysis took 436 ms [2022-11-16 19:53:26,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 199 select indices, 199 select index equivalence classes, 13137 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 1742 treesize of output 598 [2022-11-16 19:53:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:27,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:27,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:27,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:27,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:27,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:27,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:27,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:27,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:53:27,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 741 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 118 [2022-11-16 19:54:30,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:54:30,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:54:31,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 19:54:31,933 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:54:31,952 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:54:31,995 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:54:59,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 19:54:59,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:54:59,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:55:00,728 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:55:00,760 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:55:00,794 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:55:07,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:55:07,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 19:55:07,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:55:10,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 19:55:10,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:55:11,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:56:23,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:56:24,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:56:24,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 19:56:25,454 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:56:25,460 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:56:25,466 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:57:39,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:57:39,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 19:57:39,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:57:40,552 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:57:40,590 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:57:40,599 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:59:16,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:59:16,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 19:59:16,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:59:17,780 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:59:17,833 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:59:17,837 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 20:00:44,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 20:00:45,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:00:45,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:00:46,524 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 20:00:46,541 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 20:00:46,577 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 20:02:33,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 20:02:33,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:02:33,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:02:35,057 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 20:02:35,083 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 20:02:35,100 WARN L207 Elim1Store]: Array PQE input equivalent to false