./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:52:06,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:52:06,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:52:06,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:52:06,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:52:06,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:52:06,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:52:06,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:52:06,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:52:06,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:52:06,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:52:06,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:52:06,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:52:06,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:52:06,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:52:06,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:52:06,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:52:06,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:52:06,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:52:06,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:52:06,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:52:06,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:52:06,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:52:06,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:52:06,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:52:06,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:52:06,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:52:06,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:52:06,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:52:06,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:52:06,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:52:06,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:52:06,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:52:06,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:52:06,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:52:06,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:52:06,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:52:06,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:52:06,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:52:06,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:52:06,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:52:06,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:52:06,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:52:06,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:52:06,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:52:06,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:52:06,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:52:06,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:52:06,866 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:52:06,866 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:52:06,866 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:52:06,866 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:52:06,867 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:52:06,868 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:52:06,868 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:52:06,868 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:52:06,868 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:52:06,868 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:52:06,869 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:52:06,869 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:52:06,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:52:06,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:52:06,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:52:06,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:52:06,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:52:06,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:52:06,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:52:06,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:52:06,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:52:06,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:52:06,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:52:06,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:52:06,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:52:06,874 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:52:06,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:52:06,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:52:06,875 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:52:06,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:52:06,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:52:06,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:52:06,876 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_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 [2022-11-19 06:52:07,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:52:07,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:52:07,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:52:07,243 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:52:07,245 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:52:07,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-19 06:52:07,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/data/9e6ae1f8f/b3147bdf88444422899b6653334022d2/FLAG8c4dd3117 [2022-11-19 06:52:08,159 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:52:08,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-19 06:52:08,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/data/9e6ae1f8f/b3147bdf88444422899b6653334022d2/FLAG8c4dd3117 [2022-11-19 06:52:08,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/data/9e6ae1f8f/b3147bdf88444422899b6653334022d2 [2022-11-19 06:52:08,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:52:08,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:52:08,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:52:08,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:52:08,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:52:08,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:52:08" (1/1) ... [2022-11-19 06:52:08,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f7988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:08, skipping insertion in model container [2022-11-19 06:52:08,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:52:08" (1/1) ... [2022-11-19 06:52:08,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:52:08,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:52:10,307 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-11-19 06:52:10,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:52:10,360 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:52:10,677 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-11-19 06:52:10,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:52:10,803 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:52:10,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10 WrapperNode [2022-11-19 06:52:10,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:52:10,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:52:10,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:52:10,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:52:10,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (1/1) ... [2022-11-19 06:52:10,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (1/1) ... [2022-11-19 06:52:11,024 INFO L138 Inliner]: procedures = 159, calls = 1227, calls flagged for inlining = 70, calls inlined = 70, statements flattened = 3141 [2022-11-19 06:52:11,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:52:11,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:52:11,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:52:11,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:52:11,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (1/1) ... [2022-11-19 06:52:11,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (1/1) ... [2022-11-19 06:52:11,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (1/1) ... [2022-11-19 06:52:11,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (1/1) ... [2022-11-19 06:52:11,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (1/1) ... [2022-11-19 06:52:11,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (1/1) ... [2022-11-19 06:52:11,263 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (1/1) ... [2022-11-19 06:52:11,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (1/1) ... [2022-11-19 06:52:11,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:52:11,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:52:11,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:52:11,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:52:11,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (1/1) ... [2022-11-19 06:52:11,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:52:11,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:52:11,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:52:11,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:52:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-11-19 06:52:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-11-19 06:52:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:52:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:52:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:52:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:52:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:52:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:52:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 06:52:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 06:52:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-11-19 06:52:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-11-19 06:52:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-11-19 06:52:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-11-19 06:52:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-11-19 06:52:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-11-19 06:52:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-11-19 06:52:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-11-19 06:52:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 06:52:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 06:52:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-19 06:52:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-19 06:52:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:52:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:52:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-11-19 06:52:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-11-19 06:52:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-11-19 06:52:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-11-19 06:52:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-11-19 06:52:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-11-19 06:52:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 06:52:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 06:52:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 06:52:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 06:52:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-11-19 06:52:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-11-19 06:52:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:52:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 06:52:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 06:52:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 06:52:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 06:52:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 06:52:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 06:52:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:52:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:52:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-11-19 06:52:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-11-19 06:52:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-19 06:52:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-19 06:52:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:52:11,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:52:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-11-19 06:52:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-11-19 06:52:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 06:52:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 06:52:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:52:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:52:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:52:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-11-19 06:52:11,403 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-11-19 06:52:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-11-19 06:52:11,403 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-11-19 06:52:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-11-19 06:52:11,403 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-11-19 06:52:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-11-19 06:52:11,403 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-11-19 06:52:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:52:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 06:52:11,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 06:52:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:52:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-11-19 06:52:11,405 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-11-19 06:52:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:52:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-11-19 06:52:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-11-19 06:52:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 06:52:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 06:52:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-11-19 06:52:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-11-19 06:52:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-11-19 06:52:11,407 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-11-19 06:52:11,407 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-19 06:52:11,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-19 06:52:11,408 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-11-19 06:52:11,408 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-11-19 06:52:11,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:52:11,408 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 06:52:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 06:52:11,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:52:11,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:52:11,410 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-11-19 06:52:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-11-19 06:52:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 06:52:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 06:52:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-11-19 06:52:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-11-19 06:52:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-11-19 06:52:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-11-19 06:52:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 06:52:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 06:52:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 06:52:11,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 06:52:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:52:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-11-19 06:52:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-11-19 06:52:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-11-19 06:52:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-11-19 06:52:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-11-19 06:52:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-11-19 06:52:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-11-19 06:52:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-11-19 06:52:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-11-19 06:52:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-11-19 06:52:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-11-19 06:52:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-11-19 06:52:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:52:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-19 06:52:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:52:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:52:12,041 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:52:12,052 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:52:12,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:52:16,708 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:52:18,258 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:52:18,258 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:52:18,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:18 BoogieIcfgContainer [2022-11-19 06:52:18,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:52:18,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:52:18,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:52:18,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:52:18,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:52:08" (1/3) ... [2022-11-19 06:52:18,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199eec6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:52:18, skipping insertion in model container [2022-11-19 06:52:18,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:10" (2/3) ... [2022-11-19 06:52:18,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199eec6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:52:18, skipping insertion in model container [2022-11-19 06:52:18,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:18" (3/3) ... [2022-11-19 06:52:18,270 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-19 06:52:18,291 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:52:18,291 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:52:18,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:52:18,409 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;@68f6d847, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:52:18,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:52:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 806 states, 537 states have (on average 1.404096834264432) internal successors, (754), 553 states have internal predecessors, (754), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2022-11-19 06:52:18,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-19 06:52:18,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:18,449 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:52:18,449 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:52:18,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:18,454 INFO L85 PathProgramCache]: Analyzing trace with hash -196274265, now seen corresponding path program 1 times [2022-11-19 06:52:18,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:18,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159652182] [2022-11-19 06:52:18,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:18,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-19 06:52:19,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:19,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159652182] [2022-11-19 06:52:19,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159652182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:19,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:19,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:52:19,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69245853] [2022-11-19 06:52:19,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:19,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:52:19,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:19,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:52:19,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:52:19,167 INFO L87 Difference]: Start difference. First operand has 806 states, 537 states have (on average 1.404096834264432) internal successors, (754), 553 states have internal predecessors, (754), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:52:21,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:22,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:22,737 INFO L93 Difference]: Finished difference Result 1941 states and 2828 transitions. [2022-11-19 06:52:22,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:52:22,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2022-11-19 06:52:22,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:22,764 INFO L225 Difference]: With dead ends: 1941 [2022-11-19 06:52:22,765 INFO L226 Difference]: Without dead ends: 1124 [2022-11-19 06:52:22,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:52:22,781 INFO L413 NwaCegarLoop]: 1121 mSDtfsCounter, 481 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 2136 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:22,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 2136 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 283 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 06:52:22,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2022-11-19 06:52:22,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1123. [2022-11-19 06:52:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 756 states have (on average 1.3796296296296295) internal successors, (1043), 768 states have internal predecessors, (1043), 286 states have call successors, (286), 80 states have call predecessors, (286), 80 states have return successors, (286), 285 states have call predecessors, (286), 286 states have call successors, (286) [2022-11-19 06:52:22,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1615 transitions. [2022-11-19 06:52:22,966 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1615 transitions. Word has length 73 [2022-11-19 06:52:22,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:22,967 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1615 transitions. [2022-11-19 06:52:22,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:52:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1615 transitions. [2022-11-19 06:52:22,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-19 06:52:22,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:22,980 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2022-11-19 06:52:22,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:52:22,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:52:22,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:22,982 INFO L85 PathProgramCache]: Analyzing trace with hash -458127476, now seen corresponding path program 1 times [2022-11-19 06:52:22,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:22,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028752809] [2022-11-19 06:52:22,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:22,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:24,727 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-19 06:52:24,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:24,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028752809] [2022-11-19 06:52:24,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028752809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:24,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:24,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:52:24,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546866511] [2022-11-19 06:52:24,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:24,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:52:24,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:24,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:52:24,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:52:24,732 INFO L87 Difference]: Start difference. First operand 1123 states and 1615 transitions. Second operand has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 06:52:29,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:31,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:32,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:34,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:36,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:38,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:42,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:50,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:50,956 INFO L93 Difference]: Finished difference Result 2817 states and 4038 transitions. [2022-11-19 06:52:50,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-19 06:52:50,958 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) Word has length 167 [2022-11-19 06:52:50,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:50,970 INFO L225 Difference]: With dead ends: 2817 [2022-11-19 06:52:50,970 INFO L226 Difference]: Without dead ends: 1706 [2022-11-19 06:52:50,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-11-19 06:52:50,977 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 512 mSDsluCounter, 7211 mSDsCounter, 0 mSdLazyCounter, 3166 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 8491 SdHoareTripleChecker+Invalid, 3183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 3166 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:50,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 8491 Invalid, 3183 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 3166 Invalid, 1 Unknown, 0 Unchecked, 25.6s Time] [2022-11-19 06:52:50,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2022-11-19 06:52:51,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1674. [2022-11-19 06:52:51,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 1143 states have (on average 1.3875765529308837) internal successors, (1586), 1164 states have internal predecessors, (1586), 399 states have call successors, (399), 132 states have call predecessors, (399), 131 states have return successors, (410), 388 states have call predecessors, (410), 399 states have call successors, (410) [2022-11-19 06:52:51,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2395 transitions. [2022-11-19 06:52:51,073 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2395 transitions. Word has length 167 [2022-11-19 06:52:51,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:51,074 INFO L495 AbstractCegarLoop]: Abstraction has 1674 states and 2395 transitions. [2022-11-19 06:52:51,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 06:52:51,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2395 transitions. [2022-11-19 06:52:51,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-19 06:52:51,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:51,082 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2022-11-19 06:52:51,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:52:51,083 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:52:51,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:51,084 INFO L85 PathProgramCache]: Analyzing trace with hash 309307482, now seen corresponding path program 1 times [2022-11-19 06:52:51,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:51,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097821256] [2022-11-19 06:52:51,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:51,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-11-19 06:52:51,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:51,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097821256] [2022-11-19 06:52:51,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097821256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:51,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:51,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:52:51,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680509083] [2022-11-19 06:52:51,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:51,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:52:51,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:51,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:52:51,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:52:51,646 INFO L87 Difference]: Start difference. First operand 1674 states and 2395 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-19 06:52:54,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:55,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:55,960 INFO L93 Difference]: Finished difference Result 1680 states and 2400 transitions. [2022-11-19 06:52:55,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:52:55,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 187 [2022-11-19 06:52:55,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:55,977 INFO L225 Difference]: With dead ends: 1680 [2022-11-19 06:52:55,977 INFO L226 Difference]: Without dead ends: 1678 [2022-11-19 06:52:55,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:52:55,980 INFO L413 NwaCegarLoop]: 1023 mSDtfsCounter, 6 mSDsluCounter, 2042 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3065 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:55,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3065 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 405 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-19 06:52:55,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2022-11-19 06:52:56,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1678. [2022-11-19 06:52:56,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1146 states have (on average 1.3856893542757418) internal successors, (1588), 1167 states have internal predecessors, (1588), 399 states have call successors, (399), 133 states have call predecessors, (399), 132 states have return successors, (410), 388 states have call predecessors, (410), 399 states have call successors, (410) [2022-11-19 06:52:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2397 transitions. [2022-11-19 06:52:56,082 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2397 transitions. Word has length 187 [2022-11-19 06:52:56,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:56,085 INFO L495 AbstractCegarLoop]: Abstraction has 1678 states and 2397 transitions. [2022-11-19 06:52:56,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-19 06:52:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2397 transitions. [2022-11-19 06:52:56,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-19 06:52:56,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:56,098 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2022-11-19 06:52:56,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:52:56,099 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:52:56,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:56,100 INFO L85 PathProgramCache]: Analyzing trace with hash 222886407, now seen corresponding path program 1 times [2022-11-19 06:52:56,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:56,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015018353] [2022-11-19 06:52:56,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:56,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-19 06:52:57,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:57,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015018353] [2022-11-19 06:52:57,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015018353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:57,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:57,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:52:57,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763457889] [2022-11-19 06:52:57,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:57,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:52:57,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:57,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:52:57,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:52:57,484 INFO L87 Difference]: Start difference. First operand 1678 states and 2397 transitions. Second operand has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 06:53:02,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:04,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:06,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:08,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:10,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:12,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:17,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:23,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:23,714 INFO L93 Difference]: Finished difference Result 3316 states and 4744 transitions. [2022-11-19 06:53:23,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-19 06:53:23,716 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) Word has length 182 [2022-11-19 06:53:23,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:23,727 INFO L225 Difference]: With dead ends: 3316 [2022-11-19 06:53:23,728 INFO L226 Difference]: Without dead ends: 1650 [2022-11-19 06:53:23,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-11-19 06:53:23,737 INFO L413 NwaCegarLoop]: 1274 mSDtfsCounter, 444 mSDsluCounter, 7260 mSDsCounter, 0 mSdLazyCounter, 2990 mSolverCounterSat, 14 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 8534 SdHoareTripleChecker+Invalid, 3009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2990 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:23,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 8534 Invalid, 3009 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 2990 Invalid, 5 Unknown, 0 Unchecked, 25.7s Time] [2022-11-19 06:53:23,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2022-11-19 06:53:23,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1624. [2022-11-19 06:53:23,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1110 states have (on average 1.3882882882882883) internal successors, (1541), 1131 states have internal predecessors, (1541), 387 states have call successors, (387), 127 states have call predecessors, (387), 126 states have return successors, (398), 376 states have call predecessors, (398), 387 states have call successors, (398) [2022-11-19 06:53:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2326 transitions. [2022-11-19 06:53:23,830 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2326 transitions. Word has length 182 [2022-11-19 06:53:23,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:23,831 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2326 transitions. [2022-11-19 06:53:23,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 06:53:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2326 transitions. [2022-11-19 06:53:23,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-19 06:53:23,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:23,840 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:23,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:53:23,841 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:23,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:23,841 INFO L85 PathProgramCache]: Analyzing trace with hash 204252091, now seen corresponding path program 1 times [2022-11-19 06:53:23,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:23,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685141372] [2022-11-19 06:53:23,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:23,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-11-19 06:53:26,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:26,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685141372] [2022-11-19 06:53:26,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685141372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:26,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:26,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:53:26,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072627357] [2022-11-19 06:53:26,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:26,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 06:53:26,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:26,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 06:53:26,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:53:26,118 INFO L87 Difference]: Start difference. First operand 1624 states and 2326 transitions. Second operand has 8 states, 6 states have (on average 10.666666666666666) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 06:53:31,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:33,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:35,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:37,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:40,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:46,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:46,157 INFO L93 Difference]: Finished difference Result 3569 states and 5184 transitions. [2022-11-19 06:53:46,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:53:46,158 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.666666666666666) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 185 [2022-11-19 06:53:46,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:46,169 INFO L225 Difference]: With dead ends: 3569 [2022-11-19 06:53:46,169 INFO L226 Difference]: Without dead ends: 1957 [2022-11-19 06:53:46,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:53:46,176 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 262 mSDsluCounter, 5331 mSDsCounter, 0 mSdLazyCounter, 2047 mSolverCounterSat, 13 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 6612 SdHoareTripleChecker+Invalid, 2064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2047 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:46,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 6612 Invalid, 2064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2047 Invalid, 4 Unknown, 0 Unchecked, 19.8s Time] [2022-11-19 06:53:46,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2022-11-19 06:53:46,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1629. [2022-11-19 06:53:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1629 states, 1114 states have (on average 1.3877917414721723) internal successors, (1546), 1135 states have internal predecessors, (1546), 387 states have call successors, (387), 127 states have call predecessors, (387), 127 states have return successors, (401), 377 states have call predecessors, (401), 387 states have call successors, (401) [2022-11-19 06:53:46,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2334 transitions. [2022-11-19 06:53:46,257 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2334 transitions. Word has length 185 [2022-11-19 06:53:46,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:46,257 INFO L495 AbstractCegarLoop]: Abstraction has 1629 states and 2334 transitions. [2022-11-19 06:53:46,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.666666666666666) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 06:53:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2334 transitions. [2022-11-19 06:53:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-19 06:53:46,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:46,266 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:46,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:53:46,267 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:46,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:46,267 INFO L85 PathProgramCache]: Analyzing trace with hash 776130750, now seen corresponding path program 1 times [2022-11-19 06:53:46,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:46,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158175472] [2022-11-19 06:53:46,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:46,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:48,535 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-11-19 06:53:48,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:48,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158175472] [2022-11-19 06:53:48,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158175472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:48,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:48,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:53:48,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463768325] [2022-11-19 06:53:48,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:48,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:53:48,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:48,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:53:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:53:48,538 INFO L87 Difference]: Start difference. First operand 1629 states and 2334 transitions. Second operand has 9 states, 7 states have (on average 9.285714285714286) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 06:53:53,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:54,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:55,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:57,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:59,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:03,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:10,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:54:10,577 INFO L93 Difference]: Finished difference Result 3579 states and 5201 transitions. [2022-11-19 06:54:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:54:10,578 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.285714285714286) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 186 [2022-11-19 06:54:10,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:54:10,590 INFO L225 Difference]: With dead ends: 3579 [2022-11-19 06:54:10,590 INFO L226 Difference]: Without dead ends: 1962 [2022-11-19 06:54:10,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-19 06:54:10,597 INFO L413 NwaCegarLoop]: 1245 mSDtfsCounter, 397 mSDsluCounter, 5984 mSDsCounter, 0 mSdLazyCounter, 2715 mSolverCounterSat, 143 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 7229 SdHoareTripleChecker+Invalid, 2861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2715 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:54:10,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 7229 Invalid, 2861 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [143 Valid, 2715 Invalid, 3 Unknown, 0 Unchecked, 21.6s Time] [2022-11-19 06:54:10,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2022-11-19 06:54:10,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1629. [2022-11-19 06:54:10,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1629 states, 1114 states have (on average 1.3877917414721723) internal successors, (1546), 1135 states have internal predecessors, (1546), 387 states have call successors, (387), 127 states have call predecessors, (387), 127 states have return successors, (401), 377 states have call predecessors, (401), 387 states have call successors, (401) [2022-11-19 06:54:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2334 transitions. [2022-11-19 06:54:10,678 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2334 transitions. Word has length 186 [2022-11-19 06:54:10,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:54:10,679 INFO L495 AbstractCegarLoop]: Abstraction has 1629 states and 2334 transitions. [2022-11-19 06:54:10,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.285714285714286) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 06:54:10,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2334 transitions. [2022-11-19 06:54:10,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-19 06:54:10,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:54:10,687 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:54:10,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:54:10,687 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:54:10,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:54:10,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1485664756, now seen corresponding path program 1 times [2022-11-19 06:54:10,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:54:10,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624089171] [2022-11-19 06:54:10,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:10,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:54:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:54:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-11-19 06:54:12,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:54:12,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624089171] [2022-11-19 06:54:12,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624089171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:54:12,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:54:12,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:54:12,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655256373] [2022-11-19 06:54:12,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:54:12,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:54:12,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:54:12,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:54:12,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:54:12,636 INFO L87 Difference]: Start difference. First operand 1629 states and 2334 transitions. Second operand has 9 states, 7 states have (on average 9.285714285714286) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 06:54:17,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:18,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:20,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:22,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:25,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:36,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:38,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:40,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:42,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:45,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:54:45,217 INFO L93 Difference]: Finished difference Result 4631 states and 6913 transitions. [2022-11-19 06:54:45,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 06:54:45,219 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.285714285714286) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 186 [2022-11-19 06:54:45,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:54:45,238 INFO L225 Difference]: With dead ends: 4631 [2022-11-19 06:54:45,238 INFO L226 Difference]: Without dead ends: 3014 [2022-11-19 06:54:45,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-19 06:54:45,246 INFO L413 NwaCegarLoop]: 1988 mSDtfsCounter, 651 mSDsluCounter, 9645 mSDsCounter, 0 mSdLazyCounter, 3327 mSolverCounterSat, 92 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 11633 SdHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 3327 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:54:45,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 11633 Invalid, 3426 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [92 Valid, 3327 Invalid, 7 Unknown, 0 Unchecked, 32.2s Time] [2022-11-19 06:54:45,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3014 states. [2022-11-19 06:54:45,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3014 to 1635. [2022-11-19 06:54:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1119 states have (on average 1.386952636282395) internal successors, (1552), 1140 states have internal predecessors, (1552), 387 states have call successors, (387), 127 states have call predecessors, (387), 128 states have return successors, (404), 378 states have call predecessors, (404), 387 states have call successors, (404) [2022-11-19 06:54:45,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2343 transitions. [2022-11-19 06:54:45,356 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2343 transitions. Word has length 186 [2022-11-19 06:54:45,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:54:45,357 INFO L495 AbstractCegarLoop]: Abstraction has 1635 states and 2343 transitions. [2022-11-19 06:54:45,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.285714285714286) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 06:54:45,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2343 transitions. [2022-11-19 06:54:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-19 06:54:45,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:54:45,366 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:54:45,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:54:45,366 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:54:45,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:54:45,367 INFO L85 PathProgramCache]: Analyzing trace with hash -937295511, now seen corresponding path program 1 times [2022-11-19 06:54:45,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:54:45,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440327014] [2022-11-19 06:54:45,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:45,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:54:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:54:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 84 proven. 17 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-11-19 06:54:49,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:54:49,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440327014] [2022-11-19 06:54:49,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440327014] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:54:49,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672157114] [2022-11-19 06:54:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:49,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:54:49,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:54:49,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:54:49,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:54:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:54:50,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 2163 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-19 06:54:50,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:54:50,591 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 6 treesize of output 5 [2022-11-19 06:54:51,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:54:51,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:54:51,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:54:52,091 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:54:52,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:54:52,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:54:52,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:54:52,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:54:52,460 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:54:52,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:54:52,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:54:52,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:54:52,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:54:52,826 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:54:52,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:54:52,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:54:53,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 06:54:53,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:54:53,887 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 06:54:53,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 06:54:54,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-19 06:54:54,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-19 06:54:55,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 06:54:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 199 proven. 41 refuted. 12 times theorem prover too weak. 206 trivial. 0 not checked. [2022-11-19 06:54:55,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:55:38,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672157114] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:55:38,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [63805611] [2022-11-19 06:55:38,723 INFO L159 IcfgInterpreter]: Started Sifa with 92 locations of interest [2022-11-19 06:55:38,724 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:55:38,728 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:55:38,733 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:55:38,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:55:40,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:40,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:40,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:40,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 98 [2022-11-19 06:55:40,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 91 [2022-11-19 06:55:40,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2022-11-19 06:55:40,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:40,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:40,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:40,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:40,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 31 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 116 [2022-11-19 06:55:40,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 82 [2022-11-19 06:55:41,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:41,403 INFO L217 Elim1Store]: Index analysis took 365 ms [2022-11-19 06:55:47,849 WARN L233 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 731 DAG size of output: 399 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:55:47,853 INFO L321 Elim1Store]: treesize reduction 1188, result has 33.4 percent of original size [2022-11-19 06:55:47,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 69 select indices, 69 select index equivalence classes, 2280 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 132 case distinctions, treesize of input 352 treesize of output 817 [2022-11-19 06:55:48,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:48,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 67 select indices, 67 select index equivalence classes, 2279 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 542 [2022-11-19 06:55:49,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 625 treesize of output 526 [2022-11-19 06:55:51,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:55:51,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 06:55:51,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 06:55:52,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2346 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 06:55:52,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 692 treesize of output 536 [2022-11-19 06:55:52,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 41 treesize of output 19 [2022-11-19 06:55:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:52,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,076 INFO L217 Elim1Store]: Index analysis took 164 ms [2022-11-19 06:55:53,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 780 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 121 [2022-11-19 06:55:53,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 06:55:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 31 [2022-11-19 06:55:53,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:53,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 68 select indices, 68 select index equivalence classes, 2279 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 205 [2022-11-19 06:55:56,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 692 treesize of output 536 [2022-11-19 06:55:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:56,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:56,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:56,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:56,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:56,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:56,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,111 INFO L217 Elim1Store]: Index analysis took 148 ms [2022-11-19 06:55:57,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 780 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 121 [2022-11-19 06:55:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 06:55:57,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 41 treesize of output 19 [2022-11-19 06:55:57,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 31 [2022-11-19 06:55:57,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2346 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 06:55:57,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:57,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 68 select indices, 68 select index equivalence classes, 2279 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 205 [2022-11-19 06:56:07,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:56:07,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:56:07,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:56:07,866 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:07,898 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:07,902 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:14,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:56:14,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:56:15,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:56:15,510 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:15,521 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:15,527 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:17,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:56:17,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:56:17,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:56:18,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:56:19,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:56:19,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:56:33,354 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:33,454 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:45,039 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:45,045 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:45,343 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:45,350 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:57:02,990 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 140 for LOIs [2022-11-19 06:57:03,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:57:03,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 06:57:03,659 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 161 for LOIs [2022-11-19 06:57:03,683 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 166 for LOIs [2022-11-19 06:57:03,756 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 791 for LOIs [2022-11-19 06:57:05,214 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:58:10,240 WARN L233 SmtUtils]: Spent 1.04m on a formula simplification. DAG size of input: 1305 DAG size of output: 1175 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:58:46,608 WARN L233 SmtUtils]: Spent 21.98s on a formula simplification. DAG size of input: 894 DAG size of output: 790 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:59:10,554 WARN L233 SmtUtils]: Spent 22.36s on a formula simplification. DAG size of input: 898 DAG size of output: 802 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:59:23,857 WARN L233 SmtUtils]: Spent 12.07s on a formula simplification. DAG size of input: 777 DAG size of output: 768 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:59:37,190 WARN L233 SmtUtils]: Spent 12.07s on a formula simplification. DAG size of input: 780 DAG size of output: 771 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:59:59,123 WARN L233 SmtUtils]: Spent 20.26s on a formula simplification. DAG size of input: 935 DAG size of output: 788 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:00:23,924 WARN L233 SmtUtils]: Spent 23.02s on a formula simplification. DAG size of input: 955 DAG size of output: 818 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:00:37,637 WARN L233 SmtUtils]: Spent 12.11s on a formula simplification. DAG size of input: 791 DAG size of output: 764 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:00:51,558 WARN L233 SmtUtils]: Spent 12.17s on a formula simplification. DAG size of input: 793 DAG size of output: 766 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:00:51,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [63805611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:51,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:00:51,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [16, 24] total 56 [2022-11-19 07:00:51,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961017079] [2022-11-19 07:00:51,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:51,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-19 07:00:51,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:51,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-19 07:00:51,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=3249, Unknown=36, NotChecked=0, Total=3540 [2022-11-19 07:00:51,605 INFO L87 Difference]: Start difference. First operand 1635 states and 2343 transitions. Second operand has 21 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 7 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2022-11-19 07:01:24,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:26,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:28,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:30,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:32,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:34,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:36,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:38,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:40,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:52,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:20,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:20,120 INFO L93 Difference]: Finished difference Result 3271 states and 4683 transitions. [2022-11-19 07:02:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-19 07:02:20,122 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 7 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) Word has length 187 [2022-11-19 07:02:20,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:20,129 INFO L225 Difference]: With dead ends: 3271 [2022-11-19 07:02:20,129 INFO L226 Difference]: Without dead ends: 1646 [2022-11-19 07:02:20,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 362 SyntacticMatches, 7 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 273.8s TimeCoverageRelationStatistics Valid=255, Invalid=3249, Unknown=36, NotChecked=0, Total=3540 [2022-11-19 07:02:20,137 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 8 mSDsluCounter, 9634 mSDsCounter, 0 mSdLazyCounter, 4170 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 10653 SdHoareTripleChecker+Invalid, 5561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4170 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 1382 IncrementalHoareTripleChecker+Unchecked, 88.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:20,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 10653 Invalid, 5561 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 4170 Invalid, 8 Unknown, 1382 Unchecked, 88.1s Time] [2022-11-19 07:02:20,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2022-11-19 07:02:20,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1646. [2022-11-19 07:02:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 1125 states have (on average 1.3848888888888888) internal successors, (1558), 1146 states have internal predecessors, (1558), 389 states have call successors, (389), 130 states have call predecessors, (389), 131 states have return successors, (406), 380 states have call predecessors, (406), 389 states have call successors, (406) [2022-11-19 07:02:20,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2353 transitions. [2022-11-19 07:02:20,271 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2353 transitions. Word has length 187 [2022-11-19 07:02:20,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:20,272 INFO L495 AbstractCegarLoop]: Abstraction has 1646 states and 2353 transitions. [2022-11-19 07:02:20,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 7 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2022-11-19 07:02:20,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2353 transitions. [2022-11-19 07:02:20,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-19 07:02:20,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:20,280 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:20,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:02:20,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-19 07:02:20,493 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:02:20,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:20,494 INFO L85 PathProgramCache]: Analyzing trace with hash 338156556, now seen corresponding path program 1 times [2022-11-19 07:02:20,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:20,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49018545] [2022-11-19 07:02:20,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:20,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-11-19 07:02:22,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:22,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49018545] [2022-11-19 07:02:22,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49018545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:02:22,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:02:22,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-19 07:02:22,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223728690] [2022-11-19 07:02:22,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:22,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:02:22,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:22,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:02:22,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:02:22,896 INFO L87 Difference]: Start difference. First operand 1646 states and 2353 transitions. Second operand has 10 states, 8 states have (on average 8.375) internal successors, (67), 10 states have internal predecessors, (67), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 07:02:30,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:32,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:34,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:36,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:40,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:53,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:55,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:57,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:59,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:01,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:02,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:03:02,411 INFO L93 Difference]: Finished difference Result 4670 states and 6973 transitions. [2022-11-19 07:03:02,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 07:03:02,413 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 8.375) internal successors, (67), 10 states have internal predecessors, (67), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 188 [2022-11-19 07:03:02,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:03:02,427 INFO L225 Difference]: With dead ends: 4670 [2022-11-19 07:03:02,428 INFO L226 Difference]: Without dead ends: 3047 [2022-11-19 07:03:02,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:03:02,435 INFO L413 NwaCegarLoop]: 1891 mSDtfsCounter, 831 mSDsluCounter, 10566 mSDsCounter, 0 mSdLazyCounter, 4094 mSolverCounterSat, 211 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 12457 SdHoareTripleChecker+Invalid, 4314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 4094 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:03:02,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 12457 Invalid, 4314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [211 Valid, 4094 Invalid, 9 Unknown, 0 Unchecked, 38.8s Time] [2022-11-19 07:03:02,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3047 states. [2022-11-19 07:03:02,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3047 to 1651. [2022-11-19 07:03:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1651 states, 1129 states have (on average 1.3852967227635076) internal successors, (1564), 1150 states have internal predecessors, (1564), 389 states have call successors, (389), 130 states have call predecessors, (389), 132 states have return successors, (409), 381 states have call predecessors, (409), 389 states have call successors, (409) [2022-11-19 07:03:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 2362 transitions. [2022-11-19 07:03:02,586 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 2362 transitions. Word has length 188 [2022-11-19 07:03:02,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:03:02,587 INFO L495 AbstractCegarLoop]: Abstraction has 1651 states and 2362 transitions. [2022-11-19 07:03:02,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 8.375) internal successors, (67), 10 states have internal predecessors, (67), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-19 07:03:02,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2362 transitions. [2022-11-19 07:03:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-19 07:03:02,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:03:02,594 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:03:02,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:03:02,595 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:03:02,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:03:02,595 INFO L85 PathProgramCache]: Analyzing trace with hash -793594952, now seen corresponding path program 1 times [2022-11-19 07:03:02,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:03:02,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534730442] [2022-11-19 07:03:02,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:03:02,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:03:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:03:06,219 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 84 proven. 17 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2022-11-19 07:03:06,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:03:06,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534730442] [2022-11-19 07:03:06,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534730442] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:03:06,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548620896] [2022-11-19 07:03:06,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:03:06,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:03:06,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:03:06,222 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:03:06,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:03:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:03:07,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 2182 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-19 07:03:07,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:03:07,285 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 6 treesize of output 5 [2022-11-19 07:03:08,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:03:08,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:03:08,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:03:08,427 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:03:08,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 07:03:08,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:03:08,465 WARN L859 $PredicateComparison]: unable to prove that (exists ((|ldv_init_zalloc_#t~malloc41.base| Int)) (= |c_#valid| (store |c_old(#valid)| |ldv_init_zalloc_#t~malloc41.base| 1))) is different from true [2022-11-19 07:03:08,473 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 6 treesize of output 5 [2022-11-19 07:03:08,580 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ldv_init_zalloc_#t~malloc41.base_BEFORE_CALL_13| Int)) (= (select |c_#valid| |v_ldv_init_zalloc_#t~malloc41.base_BEFORE_CALL_13|) 1)) (exists ((|ldv_init_zalloc_#t~malloc41.base| Int)) (= |c_#valid| (store |c_old(#valid)| |ldv_init_zalloc_#t~malloc41.base| 1)))) is different from true [2022-11-19 07:03:08,603 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 6 treesize of output 5 [2022-11-19 07:03:08,774 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:03:08,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 07:03:08,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:03:09,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:03:09,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:03:09,220 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:03:09,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 07:03:09,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:03:09,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 07:03:09,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:03:10,081 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 07:03:10,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 07:03:10,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-19 07:03:10,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-19 07:03:11,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:03:11,351 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 220 proven. 41 refuted. 6 times theorem prover too weak. 172 trivial. 20 not checked. [2022-11-19 07:03:11,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:03:52,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548620896] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:03:52,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [590379017] [2022-11-19 07:03:52,718 INFO L159 IcfgInterpreter]: Started Sifa with 94 locations of interest [2022-11-19 07:03:52,718 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:03:52,719 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:03:52,719 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:03:52,719 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:03:53,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:53,880 INFO L217 Elim1Store]: Index analysis took 319 ms [2022-11-19 07:04:00,401 WARN L233 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 731 DAG size of output: 399 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:04:00,403 INFO L321 Elim1Store]: treesize reduction 1188, result has 33.4 percent of original size [2022-11-19 07:04:00,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 69 select indices, 69 select index equivalence classes, 2280 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 132 case distinctions, treesize of input 352 treesize of output 817 [2022-11-19 07:04:00,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:00,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 67 select indices, 67 select index equivalence classes, 2279 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 542 [2022-11-19 07:04:01,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 625 treesize of output 526 [2022-11-19 07:04:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:01,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:02,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 98 [2022-11-19 07:04:02,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 91 [2022-11-19 07:04:02,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2022-11-19 07:04:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:02,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:02,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:03,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 31 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 116 [2022-11-19 07:04:03,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 82 [2022-11-19 07:04:05,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:04:05,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:04:05,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 07:04:06,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2346 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 07:04:06,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 68 select indices, 68 select index equivalence classes, 2279 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 205 [2022-11-19 07:04:06,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 692 treesize of output 536 [2022-11-19 07:04:06,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 31 [2022-11-19 07:04:06,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 07:04:06,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:06,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,086 INFO L217 Elim1Store]: Index analysis took 127 ms [2022-11-19 07:04:07,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 780 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 121 [2022-11-19 07:04:07,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:07,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 41 treesize of output 19 [2022-11-19 07:04:09,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:09,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 68 select indices, 68 select index equivalence classes, 2279 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 205 [2022-11-19 07:04:10,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2346 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-19 07:04:10,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 692 treesize of output 536 [2022-11-19 07:04:10,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 41 treesize of output 19 [2022-11-19 07:04:10,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,590 INFO L217 Elim1Store]: Index analysis took 127 ms [2022-11-19 07:04:10,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 780 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 121 [2022-11-19 07:04:10,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 31 [2022-11-19 07:04:10,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:10,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 07:04:19,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:04:19,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:19,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:20,093 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:20,096 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:20,104 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:26,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:26,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:26,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:04:26,985 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:26,993 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:26,996 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:28,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:04:28,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:28,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:30,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:04:30,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:30,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:31,743 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 16 treesize of output 12 [2022-11-19 07:04:31,751 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 14 treesize of output 10 [2022-11-19 07:04:31,760 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 14 treesize of output 10 [2022-11-19 07:04:31,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:04:31,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 07:04:31,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:04:31,836 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 14 treesize of output 10 [2022-11-19 07:04:31,848 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 16 treesize of output 12 [2022-11-19 07:04:31,862 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 14 treesize of output 10 [2022-11-19 07:04:32,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,538 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-19 07:04:32,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 67 select indices, 67 select index equivalence classes, 653 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 598 treesize of output 202 [2022-11-19 07:04:32,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:32,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 67 select indices, 67 select index equivalence classes, 653 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 598 treesize of output 202 [2022-11-19 07:04:32,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:04:33,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:04:33,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:33,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,052 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-11-19 07:04:34,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 67 select indices, 67 select index equivalence classes, 653 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 598 treesize of output 202 [2022-11-19 07:04:34,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:34,323 INFO L217 Elim1Store]: Index analysis took 118 ms [2022-11-19 07:04:34,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 67 select indices, 67 select index equivalence classes, 653 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 598 treesize of output 202 [2022-11-19 07:04:36,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:36,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:37,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:37,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:38,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:04:38,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:38,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:39,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:39,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:04:39,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:57,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 07:04:57,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:04:57,295 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionCall(PredicateTransformer.java:157) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postCall(SymbolicTools.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:218) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:207) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-19 07:04:57,299 INFO L158 Benchmark]: Toolchain (without parser) took 768575.31ms. Allocated memory was 123.7MB in the beginning and 1.1GB in the end (delta: 994.1MB). Free memory was 80.8MB in the beginning and 397.7MB in the end (delta: -316.8MB). Peak memory consumption was 761.0MB. Max. memory is 16.1GB. [2022-11-19 07:04:57,299 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:04:57,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2074.64ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 80.6MB in the beginning and 90.6MB in the end (delta: -10.0MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2022-11-19 07:04:57,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 220.18ms. Allocated memory is still 159.4MB. Free memory was 90.6MB in the beginning and 72.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-19 07:04:57,300 INFO L158 Benchmark]: Boogie Preprocessor took 276.90ms. Allocated memory is still 159.4MB. Free memory was 72.5MB in the beginning and 90.1MB in the end (delta: -17.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-11-19 07:04:57,301 INFO L158 Benchmark]: RCFGBuilder took 6958.11ms. Allocated memory was 159.4MB in the beginning and 331.4MB in the end (delta: 172.0MB). Free memory was 90.1MB in the beginning and 150.7MB in the end (delta: -60.6MB). Peak memory consumption was 207.6MB. Max. memory is 16.1GB. [2022-11-19 07:04:57,301 INFO L158 Benchmark]: TraceAbstraction took 759034.55ms. Allocated memory was 331.4MB in the beginning and 1.1GB in the end (delta: 786.4MB). Free memory was 150.7MB in the beginning and 397.7MB in the end (delta: -247.0MB). Peak memory consumption was 624.0MB. Max. memory is 16.1GB. [2022-11-19 07:04:57,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2074.64ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 80.6MB in the beginning and 90.6MB in the end (delta: -10.0MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 220.18ms. Allocated memory is still 159.4MB. Free memory was 90.6MB in the beginning and 72.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 276.90ms. Allocated memory is still 159.4MB. Free memory was 72.5MB in the beginning and 90.1MB in the end (delta: -17.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * RCFGBuilder took 6958.11ms. Allocated memory was 159.4MB in the beginning and 331.4MB in the end (delta: 172.0MB). Free memory was 90.1MB in the beginning and 150.7MB in the end (delta: -60.6MB). Peak memory consumption was 207.6MB. Max. memory is 16.1GB. * TraceAbstraction took 759034.55ms. Allocated memory was 331.4MB in the beginning and 1.1GB in the end (delta: 786.4MB). Free memory was 150.7MB in the beginning and 397.7MB in the end (delta: -247.0MB). Peak memory consumption was 624.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-19 07:04:57,518 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-19 07:04:57,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:04:59,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:04:59,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:04:59,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:04:59,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:04:59,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:04:59,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:04:59,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:04:59,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:04:59,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:04:59,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:04:59,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:04:59,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:04:59,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:04:59,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:04:59,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:04:59,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:04:59,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:04:59,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:04:59,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:04:59,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:04:59,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:04:59,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:04:59,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:04:59,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:04:59,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:04:59,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:04:59,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:04:59,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:04:59,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:04:59,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:04:59,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:04:59,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:04:59,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:04:59,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:04:59,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:04:59,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:04:59,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:04:59,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:04:59,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:04:59,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:04:59,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 07:04:59,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:04:59,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:04:59,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:04:59,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:04:59,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:04:59,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:04:59,938 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:04:59,938 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:04:59,938 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:04:59,938 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:04:59,939 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:04:59,940 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:04:59,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:04:59,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:04:59,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:04:59,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:04:59,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:04:59,942 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:04:59,942 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:04:59,943 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:04:59,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:04:59,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:04:59,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:04:59,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:04:59,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:04:59,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:04:59,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:04:59,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:04:59,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:04:59,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:04:59,945 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:04:59,945 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:04:59,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:04:59,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:04:59,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:04:59,947 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 [2022-11-19 07:05:00,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:05:00,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:05:00,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:05:00,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:05:00,364 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:05:00,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-19 07:05:00,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/data/5676597a6/8b9b6467d65d4f5ab6ffa3d1daf9cfed/FLAGe0577ae38 [2022-11-19 07:05:01,290 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:05:01,291 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-19 07:05:01,338 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/data/5676597a6/8b9b6467d65d4f5ab6ffa3d1daf9cfed/FLAGe0577ae38 [2022-11-19 07:05:01,809 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/data/5676597a6/8b9b6467d65d4f5ab6ffa3d1daf9cfed [2022-11-19 07:05:01,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:05:01,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:05:01,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:05:01,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:05:01,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:05:01,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:05:01" (1/1) ... [2022-11-19 07:05:01,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ffff03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:01, skipping insertion in model container [2022-11-19 07:05:01,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:05:01" (1/1) ... [2022-11-19 07:05:01,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:05:01,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:05:03,343 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-11-19 07:05:03,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:05:03,417 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-19 07:05:03,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:05:03,770 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-11-19 07:05:03,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:05:03,800 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:05:04,127 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-11-19 07:05:04,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:05:04,266 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:05:04,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04 WrapperNode [2022-11-19 07:05:04,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:05:04,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:05:04,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:05:04,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:05:04,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04" (1/1) ... [2022-11-19 07:05:04,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04" (1/1) ... [2022-11-19 07:05:04,533 INFO L138 Inliner]: procedures = 173, calls = 1227, calls flagged for inlining = 70, calls inlined = 70, statements flattened = 2869 [2022-11-19 07:05:04,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:05:04,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:05:04,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:05:04,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:05:04,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04" (1/1) ... [2022-11-19 07:05:04,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04" (1/1) ... [2022-11-19 07:05:04,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04" (1/1) ... [2022-11-19 07:05:04,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04" (1/1) ... [2022-11-19 07:05:04,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04" (1/1) ... [2022-11-19 07:05:04,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04" (1/1) ... [2022-11-19 07:05:04,773 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04" (1/1) ... [2022-11-19 07:05:04,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04" (1/1) ... [2022-11-19 07:05:04,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:05:04,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:05:04,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:05:04,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:05:04,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:05:04" (1/1) ... [2022-11-19 07:05:04,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:05:04,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:05:04,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:05:04,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2d8afd-0a58-45e1-b390-58314507da59/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:05:04,963 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-11-19 07:05:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-11-19 07:05:04,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-19 07:05:04,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-19 07:05:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 07:05:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:05:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-19 07:05:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:05:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:05:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:05:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:05:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:05:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-11-19 07:05:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-11-19 07:05:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-11-19 07:05:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-11-19 07:05:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-11-19 07:05:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-11-19 07:05:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-11-19 07:05:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-11-19 07:05:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:05:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:05:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-19 07:05:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-19 07:05:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:05:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:05:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-11-19 07:05:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-11-19 07:05:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-11-19 07:05:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-11-19 07:05:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-11-19 07:05:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-11-19 07:05:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:05:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:05:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:05:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:05:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-11-19 07:05:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-11-19 07:05:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:05:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:05:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 07:05:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 07:05:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 07:05:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 07:05:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-19 07:05:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-19 07:05:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-19 07:05:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-19 07:05:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:05:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:05:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-11-19 07:05:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-11-19 07:05:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-19 07:05:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-19 07:05:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:05:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:05:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-11-19 07:05:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-11-19 07:05:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 07:05:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 07:05:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:05:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:05:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:05:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-11-19 07:05:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-11-19 07:05:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-11-19 07:05:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-11-19 07:05:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-11-19 07:05:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-11-19 07:05:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-11-19 07:05:04,984 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-11-19 07:05:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:05:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:05:04,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:05:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:05:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-11-19 07:05:04,985 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-11-19 07:05:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:05:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-19 07:05:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-11-19 07:05:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-11-19 07:05:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-19 07:05:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 07:05:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 07:05:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-11-19 07:05:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-11-19 07:05:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-11-19 07:05:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-11-19 07:05:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-19 07:05:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-19 07:05:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-19 07:05:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-11-19 07:05:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-11-19 07:05:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:05:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:05:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:05:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-19 07:05:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-19 07:05:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:05:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 07:05:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:05:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-11-19 07:05:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-11-19 07:05:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 07:05:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 07:05:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-11-19 07:05:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-11-19 07:05:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 07:05:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-11-19 07:05:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-11-19 07:05:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 07:05:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-19 07:05:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:05:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:05:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 07:05:05,003 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 07:05:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-19 07:05:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-11-19 07:05:05,005 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-11-19 07:05:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-11-19 07:05:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-11-19 07:05:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-11-19 07:05:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-11-19 07:05:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-11-19 07:05:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-11-19 07:05:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-11-19 07:05:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-11-19 07:05:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-11-19 07:05:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-11-19 07:05:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-19 07:05:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:05:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:05:05,861 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:05:05,866 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:05:06,319 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;