./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash abeeab492b640654fe55aa04dc4f56985d1437aed7a22f3a0d2f5e29c1d87ba8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:56:57,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:56:57,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:56:57,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:56:57,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:56:57,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:56:57,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:56:57,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:56:57,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:56:57,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:56:57,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:56:57,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:56:57,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:56:57,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:56:57,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:56:57,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:56:57,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:56:57,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:56:57,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:56:57,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:56:57,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:56:57,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:56:57,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:56:57,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:56:57,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:56:57,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:56:57,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:56:57,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:56:57,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:56:57,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:56:57,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:56:57,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:56:57,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:56:57,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:56:57,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:56:57,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:56:57,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:56:57,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:56:57,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:56:57,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:56:57,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:56:57,932 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:56:57,959 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:56:57,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:56:57,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:56:57,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:56:57,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:56:57,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:56:57,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:56:57,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:56:57,962 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:56:57,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:56:57,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:56:57,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:56:57,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:56:57,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:56:57,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:56:57,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:56:57,964 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:56:57,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:56:57,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:56:57,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:56:57,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:56:57,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:56:57,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:56:57,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:56:57,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:56:57,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:56:57,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:56:57,967 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:56:57,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:56:57,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:56:57,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:56:57,968 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abeeab492b640654fe55aa04dc4f56985d1437aed7a22f3a0d2f5e29c1d87ba8 [2021-12-22 15:56:58,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:56:58,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:56:58,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:56:58,235 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:56:58,235 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:56:58,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2021-12-22 15:56:58,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94b82375/10c1b6938ecc4303a7dfcf10f0f38ec3/FLAGe96ee39f2 [2021-12-22 15:56:59,077 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:56:59,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2021-12-22 15:56:59,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94b82375/10c1b6938ecc4303a7dfcf10f0f38ec3/FLAGe96ee39f2 [2021-12-22 15:56:59,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94b82375/10c1b6938ecc4303a7dfcf10f0f38ec3 [2021-12-22 15:56:59,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:56:59,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:56:59,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:56:59,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:56:59,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:56:59,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:56:59" (1/1) ... [2021-12-22 15:56:59,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d72fc26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:59, skipping insertion in model container [2021-12-22 15:56:59,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:56:59" (1/1) ... [2021-12-22 15:56:59,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:56:59,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:57:02,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406186,406199] [2021-12-22 15:57:02,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406333,406346] [2021-12-22 15:57:02,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406472,406485] [2021-12-22 15:57:02,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406630,406643] [2021-12-22 15:57:02,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:57:02,533 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:57:02,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406186,406199] [2021-12-22 15:57:02,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406333,406346] [2021-12-22 15:57:02,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406472,406485] [2021-12-22 15:57:02,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406630,406643] [2021-12-22 15:57:02,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:57:03,035 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:57:03,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03 WrapperNode [2021-12-22 15:57:03,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:57:03,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:57:03,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:57:03,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:57:03,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03" (1/1) ... [2021-12-22 15:57:03,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03" (1/1) ... [2021-12-22 15:57:03,388 INFO L137 Inliner]: procedures = 430, calls = 2495, calls flagged for inlining = 233, calls inlined = 225, statements flattened = 6734 [2021-12-22 15:57:03,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:57:03,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:57:03,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:57:03,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:57:03,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03" (1/1) ... [2021-12-22 15:57:03,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03" (1/1) ... [2021-12-22 15:57:03,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03" (1/1) ... [2021-12-22 15:57:03,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03" (1/1) ... [2021-12-22 15:57:03,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03" (1/1) ... [2021-12-22 15:57:03,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03" (1/1) ... [2021-12-22 15:57:03,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03" (1/1) ... [2021-12-22 15:57:03,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:57:03,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:57:03,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:57:03,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:57:03,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03" (1/1) ... [2021-12-22 15:57:03,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:57:03,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:57:03,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:57:03,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:57:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2021-12-22 15:57:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2021-12-22 15:57:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:57:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:57:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-22 15:57:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-22 15:57:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2021-12-22 15:57:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2021-12-22 15:57:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:57:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:57:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:57:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:57:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2021-12-22 15:57:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2021-12-22 15:57:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:57:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:57:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2021-12-22 15:57:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2021-12-22 15:57:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-22 15:57:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-22 15:57:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2021-12-22 15:57:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2021-12-22 15:57:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:57:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:57:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2021-12-22 15:57:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2021-12-22 15:57:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2021-12-22 15:57:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2021-12-22 15:57:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2021-12-22 15:57:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2021-12-22 15:57:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:57:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:57:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2021-12-22 15:57:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2021-12-22 15:57:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 15:57:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 15:57:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:57:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:57:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2021-12-22 15:57:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2021-12-22 15:57:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-22 15:57:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-22 15:57:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:57:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-22 15:57:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-22 15:57:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2021-12-22 15:57:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2021-12-22 15:57:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:57:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:57:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:57:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:57:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2021-12-22 15:57:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2021-12-22 15:57:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2021-12-22 15:57:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2021-12-22 15:57:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-22 15:57:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-22 15:57:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:57:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:57:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:57:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:57:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:57:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:57:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:57:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:57:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:57:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:57:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:57:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:57:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:57:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:57:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:57:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:57:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:57:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2021-12-22 15:57:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2021-12-22 15:57:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:57:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:57:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2021-12-22 15:57:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2021-12-22 15:57:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2021-12-22 15:57:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2021-12-22 15:57:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2021-12-22 15:57:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2021-12-22 15:57:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2021-12-22 15:57:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2021-12-22 15:57:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 15:57:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 15:57:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:57:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:57:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:57:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:57:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2021-12-22 15:57:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2021-12-22 15:57:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2021-12-22 15:57:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2021-12-22 15:57:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2021-12-22 15:57:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2021-12-22 15:57:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:57:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:57:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:57:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:57:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:57:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2021-12-22 15:57:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2021-12-22 15:57:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-22 15:57:03,752 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-22 15:57:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:57:03,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:57:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:57:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:57:03,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:57:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:57:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:57:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2021-12-22 15:57:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2021-12-22 15:57:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:57:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-22 15:57:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-22 15:57:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:57:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:57:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2021-12-22 15:57:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2021-12-22 15:57:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:57:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:57:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-22 15:57:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-22 15:57:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2021-12-22 15:57:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2021-12-22 15:57:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2021-12-22 15:57:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2021-12-22 15:57:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2021-12-22 15:57:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2021-12-22 15:57:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2021-12-22 15:57:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2021-12-22 15:57:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:57:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:57:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:57:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:57:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2021-12-22 15:57:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2021-12-22 15:57:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2021-12-22 15:57:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2021-12-22 15:57:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:57:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:57:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2021-12-22 15:57:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2021-12-22 15:57:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2021-12-22 15:57:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2021-12-22 15:57:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2021-12-22 15:57:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2021-12-22 15:57:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-22 15:57:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-22 15:57:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2021-12-22 15:57:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2021-12-22 15:57:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2021-12-22 15:57:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2021-12-22 15:57:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:57:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:57:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:57:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:57:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:57:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:57:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2021-12-22 15:57:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2021-12-22 15:57:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2021-12-22 15:57:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2021-12-22 15:57:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 15:57:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 15:57:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-12-22 15:57:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-12-22 15:57:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2021-12-22 15:57:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2021-12-22 15:57:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:57:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:57:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2021-12-22 15:57:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2021-12-22 15:57:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 15:57:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 15:57:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:57:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:57:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2021-12-22 15:57:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2021-12-22 15:57:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2021-12-22 15:57:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2021-12-22 15:57:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-22 15:57:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-22 15:57:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-22 15:57:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-22 15:57:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:57:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:57:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:57:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:57:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:57:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2021-12-22 15:57:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2021-12-22 15:57:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2021-12-22 15:57:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2021-12-22 15:57:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2021-12-22 15:57:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2021-12-22 15:57:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:57:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 15:57:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 15:57:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2021-12-22 15:57:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2021-12-22 15:57:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2021-12-22 15:57:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2021-12-22 15:57:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2021-12-22 15:57:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2021-12-22 15:57:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:57:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:57:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:57:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2021-12-22 15:57:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2021-12-22 15:57:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:57:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:57:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:57:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:57:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2021-12-22 15:57:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2021-12-22 15:57:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-22 15:57:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-22 15:57:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:57:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:57:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:57:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:57:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:57:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:57:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-22 15:57:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-22 15:57:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:57:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:57:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2021-12-22 15:57:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2021-12-22 15:57:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2021-12-22 15:57:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2021-12-22 15:57:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2021-12-22 15:57:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2021-12-22 15:57:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:57:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:57:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:57:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:57:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:57:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-12-22 15:57:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-12-22 15:57:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:57:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:57:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:57:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:57:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:57:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:57:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2021-12-22 15:57:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2021-12-22 15:57:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-22 15:57:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-22 15:57:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2021-12-22 15:57:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2021-12-22 15:57:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:57:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:57:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2021-12-22 15:57:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2021-12-22 15:57:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2021-12-22 15:57:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2021-12-22 15:57:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 15:57:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 15:57:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2021-12-22 15:57:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2021-12-22 15:57:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2021-12-22 15:57:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2021-12-22 15:57:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-22 15:57:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-22 15:57:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:57:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:57:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2021-12-22 15:57:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2021-12-22 15:57:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:57:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:57:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:57:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2021-12-22 15:57:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2021-12-22 15:57:04,800 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:57:04,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:57:05,046 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:57:12,983 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:57:13,102 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:57:13,129 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:57:13,129 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 15:57:13,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:57:13 BoogieIcfgContainer [2021-12-22 15:57:13,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:57:13,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:57:13,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:57:13,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:57:13,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:56:59" (1/3) ... [2021-12-22 15:57:13,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d3b01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:57:13, skipping insertion in model container [2021-12-22 15:57:13,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:03" (2/3) ... [2021-12-22 15:57:13,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d3b01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:57:13, skipping insertion in model container [2021-12-22 15:57:13,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:57:13" (3/3) ... [2021-12-22 15:57:13,143 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2021-12-22 15:57:13,147 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:57:13,147 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-22 15:57:13,210 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:57:13,217 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:57:13,218 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-22 15:57:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 2485 states, 1652 states have (on average 1.2778450363196125) internal successors, (2111), 1700 states have internal predecessors, (2111), 704 states have call successors, (704), 132 states have call predecessors, (704), 131 states have return successors, (695), 689 states have call predecessors, (695), 695 states have call successors, (695) [2021-12-22 15:57:13,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-22 15:57:13,302 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:13,302 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:13,303 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:13,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:13,307 INFO L85 PathProgramCache]: Analyzing trace with hash -206395970, now seen corresponding path program 1 times [2021-12-22 15:57:13,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:13,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018367940] [2021-12-22 15:57:13,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:13,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:57:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:57:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:57:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:57:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:57:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:57:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:57:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:57:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:57:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:57:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:57:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:57:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:57:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:57:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:57:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:57:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-22 15:57:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-22 15:57:14,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:14,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018367940] [2021-12-22 15:57:14,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018367940] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:14,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:14,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:57:14,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816042849] [2021-12-22 15:57:14,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:14,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:57:14,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:14,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:57:14,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:57:14,369 INFO L87 Difference]: Start difference. First operand has 2485 states, 1652 states have (on average 1.2778450363196125) internal successors, (2111), 1700 states have internal predecessors, (2111), 704 states have call successors, (704), 132 states have call predecessors, (704), 131 states have return successors, (695), 689 states have call predecessors, (695), 695 states have call successors, (695) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:57:18,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:57:23,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:23,477 INFO L93 Difference]: Finished difference Result 7877 states and 11405 transitions. [2021-12-22 15:57:23,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:57:23,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 192 [2021-12-22 15:57:23,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:23,535 INFO L225 Difference]: With dead ends: 7877 [2021-12-22 15:57:23,535 INFO L226 Difference]: Without dead ends: 5411 [2021-12-22 15:57:23,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:57:23,571 INFO L933 BasicCegarLoop]: 3754 mSDtfsCounter, 4744 mSDsluCounter, 3912 mSDsCounter, 0 mSdLazyCounter, 2620 mSolverCounterSat, 2422 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5398 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 5043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2422 IncrementalHoareTripleChecker+Valid, 2620 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:23,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5398 Valid, 7666 Invalid, 5043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2422 Valid, 2620 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2021-12-22 15:57:23,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5411 states. [2021-12-22 15:57:23,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5411 to 4807. [2021-12-22 15:57:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4807 states, 3199 states have (on average 1.2722725851828696) internal successors, (4070), 3282 states have internal predecessors, (4070), 1347 states have call successors, (1347), 260 states have call predecessors, (1347), 259 states have return successors, (1344), 1332 states have call predecessors, (1344), 1344 states have call successors, (1344) [2021-12-22 15:57:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4807 states to 4807 states and 6761 transitions. [2021-12-22 15:57:23,945 INFO L78 Accepts]: Start accepts. Automaton has 4807 states and 6761 transitions. Word has length 192 [2021-12-22 15:57:23,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:23,946 INFO L470 AbstractCegarLoop]: Abstraction has 4807 states and 6761 transitions. [2021-12-22 15:57:23,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:57:23,948 INFO L276 IsEmpty]: Start isEmpty. Operand 4807 states and 6761 transitions. [2021-12-22 15:57:23,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-22 15:57:23,964 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:23,965 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:23,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:57:23,966 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:23,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:23,967 INFO L85 PathProgramCache]: Analyzing trace with hash -564736885, now seen corresponding path program 1 times [2021-12-22 15:57:23,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:23,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719861313] [2021-12-22 15:57:23,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:23,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:57:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:57:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:57:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:57:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:57:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:57:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:57:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:57:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:57:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:57:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:57:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:57:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:57:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:57:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:57:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:57:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-22 15:57:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:57:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2021-12-22 15:57:24,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:24,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719861313] [2021-12-22 15:57:24,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719861313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:24,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:24,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:57:24,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236671218] [2021-12-22 15:57:24,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:24,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:57:24,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:24,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:57:24,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:57:24,629 INFO L87 Difference]: Start difference. First operand 4807 states and 6761 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:57:33,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:33,392 INFO L93 Difference]: Finished difference Result 13089 states and 18881 transitions. [2021-12-22 15:57:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:57:33,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 224 [2021-12-22 15:57:33,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:33,462 INFO L225 Difference]: With dead ends: 13089 [2021-12-22 15:57:33,463 INFO L226 Difference]: Without dead ends: 8317 [2021-12-22 15:57:33,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:57:33,490 INFO L933 BasicCegarLoop]: 3951 mSDtfsCounter, 5901 mSDsluCounter, 4187 mSDsCounter, 0 mSdLazyCounter, 3482 mSolverCounterSat, 4553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6604 SdHoareTripleChecker+Valid, 8138 SdHoareTripleChecker+Invalid, 8035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4553 IncrementalHoareTripleChecker+Valid, 3482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:33,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6604 Valid, 8138 Invalid, 8035 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4553 Valid, 3482 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2021-12-22 15:57:33,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8317 states. [2021-12-22 15:57:33,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8317 to 6845. [2021-12-22 15:57:33,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6845 states, 4541 states have (on average 1.2673419951552523) internal successors, (5755), 4656 states have internal predecessors, (5755), 1921 states have call successors, (1921), 383 states have call predecessors, (1921), 381 states have return successors, (1918), 1895 states have call predecessors, (1918), 1918 states have call successors, (1918) [2021-12-22 15:57:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6845 states to 6845 states and 9594 transitions. [2021-12-22 15:57:33,842 INFO L78 Accepts]: Start accepts. Automaton has 6845 states and 9594 transitions. Word has length 224 [2021-12-22 15:57:33,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:33,844 INFO L470 AbstractCegarLoop]: Abstraction has 6845 states and 9594 transitions. [2021-12-22 15:57:33,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:57:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 6845 states and 9594 transitions. [2021-12-22 15:57:33,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-22 15:57:33,881 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:33,882 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:33,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:57:33,882 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:33,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:33,882 INFO L85 PathProgramCache]: Analyzing trace with hash -990434374, now seen corresponding path program 1 times [2021-12-22 15:57:33,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:33,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028906023] [2021-12-22 15:57:33,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:33,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:57:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:57:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:57:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:57:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:57:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:57:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:57:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:57:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:57:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:57:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:57:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:57:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:57:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:57:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:57:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:57:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 15:57:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:57:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 15:57:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-22 15:57:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-22 15:57:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-22 15:57:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-22 15:57:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:34,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-22 15:57:34,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:34,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028906023] [2021-12-22 15:57:34,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028906023] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:34,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:34,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:57:34,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493459339] [2021-12-22 15:57:34,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:34,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:57:34,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:34,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:57:34,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:57:34,486 INFO L87 Difference]: Start difference. First operand 6845 states and 9594 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 15:57:40,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:40,021 INFO L93 Difference]: Finished difference Result 17514 states and 24880 transitions. [2021-12-22 15:57:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:57:40,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 250 [2021-12-22 15:57:40,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:40,125 INFO L225 Difference]: With dead ends: 17514 [2021-12-22 15:57:40,125 INFO L226 Difference]: Without dead ends: 12860 [2021-12-22 15:57:40,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:57:40,158 INFO L933 BasicCegarLoop]: 5869 mSDtfsCounter, 3910 mSDsluCounter, 4863 mSDsCounter, 0 mSdLazyCounter, 2725 mSolverCounterSat, 1802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4559 SdHoareTripleChecker+Valid, 10732 SdHoareTripleChecker+Invalid, 4527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1802 IncrementalHoareTripleChecker+Valid, 2725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:40,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4559 Valid, 10732 Invalid, 4527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1802 Valid, 2725 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-22 15:57:40,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12860 states. [2021-12-22 15:57:40,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12860 to 11365. [2021-12-22 15:57:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11365 states, 7546 states have (on average 1.2683540948847072) internal successors, (9571), 7735 states have internal predecessors, (9571), 3183 states have call successors, (3183), 636 states have call predecessors, (3183), 634 states have return successors, (3180), 3145 states have call predecessors, (3180), 3180 states have call successors, (3180) [2021-12-22 15:57:40,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11365 states to 11365 states and 15934 transitions. [2021-12-22 15:57:40,754 INFO L78 Accepts]: Start accepts. Automaton has 11365 states and 15934 transitions. Word has length 250 [2021-12-22 15:57:40,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:40,756 INFO L470 AbstractCegarLoop]: Abstraction has 11365 states and 15934 transitions. [2021-12-22 15:57:40,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 15:57:40,757 INFO L276 IsEmpty]: Start isEmpty. Operand 11365 states and 15934 transitions. [2021-12-22 15:57:40,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-22 15:57:40,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:40,766 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:40,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:57:40,766 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:40,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:40,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1124447880, now seen corresponding path program 1 times [2021-12-22 15:57:40,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:40,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288293221] [2021-12-22 15:57:40,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:40,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:57:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:57:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:57:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:57:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:57:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:57:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:57:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:57:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:57:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:57:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:57:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:57:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:57:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:57:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:57:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:57:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 15:57:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:57:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 15:57:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-22 15:57:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-22 15:57:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-22 15:57:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-22 15:57:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:41,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2021-12-22 15:57:41,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:41,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288293221] [2021-12-22 15:57:41,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288293221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:41,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:41,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:57:41,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971343467] [2021-12-22 15:57:41,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:41,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:57:41,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:41,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:57:41,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:57:41,551 INFO L87 Difference]: Start difference. First operand 11365 states and 15934 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-22 15:57:45,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:57:47,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:47,562 INFO L93 Difference]: Finished difference Result 12858 states and 18346 transitions. [2021-12-22 15:57:47,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:57:47,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 250 [2021-12-22 15:57:47,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:47,641 INFO L225 Difference]: With dead ends: 12858 [2021-12-22 15:57:47,642 INFO L226 Difference]: Without dead ends: 12827 [2021-12-22 15:57:47,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:57:47,655 INFO L933 BasicCegarLoop]: 3240 mSDtfsCounter, 3819 mSDsluCounter, 3873 mSDsCounter, 0 mSdLazyCounter, 1881 mSolverCounterSat, 1642 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4207 SdHoareTripleChecker+Valid, 7113 SdHoareTripleChecker+Invalid, 3524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1642 IncrementalHoareTripleChecker+Valid, 1881 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:47,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4207 Valid, 7113 Invalid, 3524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1642 Valid, 1881 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2021-12-22 15:57:47,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12827 states. [2021-12-22 15:57:48,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12827 to 11334. [2021-12-22 15:57:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11334 states, 7532 states have (on average 1.2680562931492299) internal successors, (9551), 7715 states have internal predecessors, (9551), 3168 states have call successors, (3168), 633 states have call predecessors, (3168), 633 states have return successors, (3168), 3137 states have call predecessors, (3168), 3168 states have call successors, (3168) [2021-12-22 15:57:48,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11334 states to 11334 states and 15887 transitions. [2021-12-22 15:57:48,289 INFO L78 Accepts]: Start accepts. Automaton has 11334 states and 15887 transitions. Word has length 250 [2021-12-22 15:57:48,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:48,290 INFO L470 AbstractCegarLoop]: Abstraction has 11334 states and 15887 transitions. [2021-12-22 15:57:48,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-22 15:57:48,290 INFO L276 IsEmpty]: Start isEmpty. Operand 11334 states and 15887 transitions. [2021-12-22 15:57:48,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-12-22 15:57:48,315 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:48,315 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:48,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:57:48,316 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:48,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:48,317 INFO L85 PathProgramCache]: Analyzing trace with hash 155649153, now seen corresponding path program 1 times [2021-12-22 15:57:48,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:48,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637886675] [2021-12-22 15:57:48,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:48,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:57:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:57:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:57:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:57:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:57:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:57:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:57:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:57:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:57:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:57:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:57:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:57:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:57:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:57:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:57:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:57:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 15:57:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:57:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 15:57:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:57:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:57:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-22 15:57:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-22 15:57:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-22 15:57:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:57:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-12-22 15:57:48,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:48,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637886675] [2021-12-22 15:57:48,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637886675] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:48,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:48,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:57:48,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24354390] [2021-12-22 15:57:48,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:48,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:57:48,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:48,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:57:48,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:57:48,853 INFO L87 Difference]: Start difference. First operand 11334 states and 15887 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28)