./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:02:53,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:02:53,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:02:53,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:02:53,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:02:53,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:02:53,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:02:53,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:02:53,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:02:53,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:02:53,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:02:53,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:02:53,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:02:53,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:02:53,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:02:53,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:02:53,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:02:53,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:02:53,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:02:53,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:02:53,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:02:53,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:02:53,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:02:53,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:02:53,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:02:53,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:02:53,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:02:53,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:02:53,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:02:53,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:02:53,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:02:53,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:02:53,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:02:53,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:02:53,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:02:53,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:02:53,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:02:53,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:02:53,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:02:53,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:02:53,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:02:53,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:02:53,855 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:02:53,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:02:53,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:02:53,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:02:53,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:02:53,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:02:53,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:02:53,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:02:53,858 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:02:53,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:02:53,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:02:53,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:02:53,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:02:53,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:02:53,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:02:53,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:02:53,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:02:53,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:02:53,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:02:53,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:02:53,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:02:53,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:02:53,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:02:53,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:02:53,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:02:53,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:02:53,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:02:53,863 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:02:53,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:02:53,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:02:53,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:02:53,864 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abeeab492b640654fe55aa04dc4f56985d1437aed7a22f3a0d2f5e29c1d87ba8 [2021-12-14 19:02:54,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:02:54,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:02:54,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:02:54,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:02:54,146 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:02:54,147 INFO L432 ainManager$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 [2021-12-14 19:02:54,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30befb61a/b219076e728b4ec086b4208d4b842433/FLAGdc6d3b685 [2021-12-14 19:02:54,944 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:02:54,945 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 [2021-12-14 19:02:55,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30befb61a/b219076e728b4ec086b4208d4b842433/FLAGdc6d3b685 [2021-12-14 19:02:55,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30befb61a/b219076e728b4ec086b4208d4b842433 [2021-12-14 19:02:55,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:02:55,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:02:55,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:02:55,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:02:55,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:02:55,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:02:55" (1/1) ... [2021-12-14 19:02:55,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f8163a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:55, skipping insertion in model container [2021-12-14 19:02:55,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:02:55" (1/1) ... [2021-12-14 19:02:55,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:02:55,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:02:57,669 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] [2021-12-14 19:02:57,672 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] [2021-12-14 19:02:57,673 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] [2021-12-14 19:02:57,674 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] [2021-12-14 19:02:57,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:02:57,747 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:02:58,131 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] [2021-12-14 19:02:58,132 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] [2021-12-14 19:02:58,132 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] [2021-12-14 19:02:58,133 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] [2021-12-14 19:02:58,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:02:58,287 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:02:58,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58 WrapperNode [2021-12-14 19:02:58,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:02:58,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:02:58,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:02:58,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:02:58,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58" (1/1) ... [2021-12-14 19:02:58,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58" (1/1) ... [2021-12-14 19:02:58,673 INFO L137 Inliner]: procedures = 430, calls = 2495, calls flagged for inlining = 233, calls inlined = 225, statements flattened = 6734 [2021-12-14 19:02:58,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:02:58,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:02:58,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:02:58,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:02:58,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58" (1/1) ... [2021-12-14 19:02:58,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58" (1/1) ... [2021-12-14 19:02:58,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58" (1/1) ... [2021-12-14 19:02:58,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58" (1/1) ... [2021-12-14 19:02:58,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58" (1/1) ... [2021-12-14 19:02:58,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58" (1/1) ... [2021-12-14 19:02:58,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58" (1/1) ... [2021-12-14 19:02:59,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:02:59,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:02:59,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:02:59,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:02:59,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58" (1/1) ... [2021-12-14 19:02:59,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:02:59,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:02:59,041 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) [2021-12-14 19:02:59,064 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 [2021-12-14 19:02:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2021-12-14 19:02:59,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2021-12-14 19:02:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 19:02:59,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 19:02:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-14 19:02:59,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-14 19:02:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2021-12-14 19:02:59,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2021-12-14 19:02:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:02:59,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:02:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 19:02:59,081 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 19:02:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2021-12-14 19:02:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2021-12-14 19:02:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 19:02:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 19:02:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2021-12-14 19:02:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2021-12-14 19:02:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 19:02:59,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 19:02:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2021-12-14 19:02:59,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2021-12-14 19:02:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 19:02:59,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 19:02:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2021-12-14 19:02:59,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2021-12-14 19:02:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2021-12-14 19:02:59,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2021-12-14 19:02:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2021-12-14 19:02:59,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2021-12-14 19:02:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 19:02:59,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 19:02:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2021-12-14 19:02:59,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2021-12-14 19:02:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 19:02:59,085 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 19:02:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 19:02:59,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 19:02:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2021-12-14 19:02:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2021-12-14 19:02:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-14 19:02:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-14 19:02:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 19:02:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-14 19:02:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-14 19:02:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2021-12-14 19:02:59,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2021-12-14 19:02:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 19:02:59,087 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 19:02:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 19:02:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 19:02:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2021-12-14 19:02:59,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2021-12-14 19:02:59,089 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2021-12-14 19:02:59,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2021-12-14 19:02:59,089 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-14 19:02:59,090 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-14 19:02:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 19:02:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 19:02:59,090 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 19:02:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 19:02:59,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 19:02:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 19:02:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 19:02:59,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 19:02:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 19:02:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 19:02:59,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 19:02:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 19:02:59,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 19:02:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 19:02:59,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 19:02:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 19:02:59,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 19:02:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2021-12-14 19:02:59,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2021-12-14 19:02:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 19:02:59,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 19:02:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2021-12-14 19:02:59,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2021-12-14 19:02:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2021-12-14 19:02:59,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2021-12-14 19:02:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2021-12-14 19:02:59,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2021-12-14 19:02:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2021-12-14 19:02:59,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2021-12-14 19:02:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 19:02:59,096 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 19:02:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 19:02:59,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 19:02:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 19:02:59,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 19:02:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2021-12-14 19:02:59,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2021-12-14 19:02:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2021-12-14 19:02:59,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2021-12-14 19:02:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2021-12-14 19:02:59,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2021-12-14 19:02:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:02:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 19:02:59,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 19:02:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 19:02:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 19:02:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2021-12-14 19:02:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2021-12-14 19:02:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-14 19:02:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-14 19:02:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 19:02:59,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 19:02:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:02:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 19:02:59,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 19:02:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 19:02:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 19:02:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2021-12-14 19:02:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2021-12-14 19:02:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 19:02:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-14 19:02:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-14 19:02:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:02:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:02:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2021-12-14 19:02:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2021-12-14 19:02:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:02:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:02:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-14 19:02:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-14 19:02:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2021-12-14 19:02:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2021-12-14 19:02:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2021-12-14 19:02:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2021-12-14 19:02:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2021-12-14 19:02:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2021-12-14 19:02:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2021-12-14 19:02:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2021-12-14 19:02:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 19:02:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 19:02:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 19:02:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 19:02:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2021-12-14 19:02:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2021-12-14 19:02:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2021-12-14 19:02:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2021-12-14 19:02:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:02:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:02:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2021-12-14 19:02:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2021-12-14 19:02:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2021-12-14 19:02:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2021-12-14 19:02:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2021-12-14 19:02:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2021-12-14 19:02:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-14 19:02:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-14 19:02:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2021-12-14 19:02:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2021-12-14 19:02:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2021-12-14 19:02:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2021-12-14 19:02:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 19:02:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 19:02:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 19:02:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 19:02:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 19:02:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 19:02:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2021-12-14 19:02:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2021-12-14 19:02:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2021-12-14 19:02:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2021-12-14 19:02:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 19:02:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 19:02:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-12-14 19:02:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-12-14 19:02:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2021-12-14 19:02:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2021-12-14 19:02:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 19:02:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 19:02:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2021-12-14 19:02:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2021-12-14 19:02:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 19:02:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 19:02:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 19:02:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 19:02:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2021-12-14 19:02:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2021-12-14 19:02:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2021-12-14 19:02:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2021-12-14 19:02:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 19:02:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 19:02:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-14 19:02:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-14 19:02:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 19:02:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 19:02:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 19:02:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 19:02:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 19:02:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2021-12-14 19:02:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2021-12-14 19:02:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2021-12-14 19:02:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2021-12-14 19:02:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2021-12-14 19:02:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2021-12-14 19:02:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 19:02:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-14 19:02:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-14 19:02:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2021-12-14 19:02:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2021-12-14 19:02:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2021-12-14 19:02:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2021-12-14 19:02:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2021-12-14 19:02:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2021-12-14 19:02:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:02:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:02:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:02:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2021-12-14 19:02:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2021-12-14 19:02:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 19:02:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 19:02:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 19:02:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 19:02:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2021-12-14 19:02:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2021-12-14 19:02:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-14 19:02:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-14 19:02:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 19:02:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 19:02:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-14 19:02:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-14 19:02:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 19:02:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 19:02:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-14 19:02:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-14 19:02:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 19:02:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 19:02:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2021-12-14 19:02:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2021-12-14 19:02:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2021-12-14 19:02:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2021-12-14 19:02:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2021-12-14 19:02:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2021-12-14 19:02:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 19:02:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 19:02:59,128 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 19:02:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 19:02:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 19:02:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-12-14 19:02:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-12-14 19:02:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 19:02:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 19:02:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 19:02:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 19:02:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 19:02:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 19:02:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2021-12-14 19:02:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2021-12-14 19:02:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-14 19:02:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-14 19:02:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2021-12-14 19:02:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2021-12-14 19:02:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 19:02:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 19:02:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2021-12-14 19:02:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2021-12-14 19:02:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2021-12-14 19:02:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2021-12-14 19:02:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 19:02:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 19:02:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2021-12-14 19:02:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2021-12-14 19:02:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2021-12-14 19:02:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2021-12-14 19:02:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-14 19:02:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-14 19:02:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-14 19:02:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-14 19:02:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2021-12-14 19:02:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2021-12-14 19:02:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 19:02:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 19:02:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 19:02:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2021-12-14 19:02:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2021-12-14 19:03:00,144 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:03:00,147 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:03:00,275 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 19:03:04,292 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 19:03:04,391 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:03:04,420 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:03:04,421 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-14 19:03:04,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:03:04 BoogieIcfgContainer [2021-12-14 19:03:04,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:03:04,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:03:04,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:03:04,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:03:04,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:02:55" (1/3) ... [2021-12-14 19:03:04,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2039162c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:03:04, skipping insertion in model container [2021-12-14 19:03:04,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:58" (2/3) ... [2021-12-14 19:03:04,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2039162c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:03:04, skipping insertion in model container [2021-12-14 19:03:04,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:03:04" (3/3) ... [2021-12-14 19:03:04,432 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2021-12-14 19:03:04,437 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:03:04,437 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-14 19:03:04,500 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:03:04,506 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 [2021-12-14 19:03:04,507 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-14 19:03:04,579 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) [2021-12-14 19:03:04,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-14 19:03:04,602 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:04,603 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] [2021-12-14 19:03:04,603 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:04,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:04,608 INFO L85 PathProgramCache]: Analyzing trace with hash -206395970, now seen corresponding path program 1 times [2021-12-14 19:03:04,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:04,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826604947] [2021-12-14 19:03:04,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:04,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:03:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:03:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:03:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:03:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:03:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:03:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:03:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:03:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:03:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:03:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:03:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:03:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:03:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:03:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:03:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 19:03:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-14 19:03:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-14 19:03:05,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:05,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826604947] [2021-12-14 19:03:05,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826604947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:05,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:05,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:03:05,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012714278] [2021-12-14 19:03:05,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:05,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:03:05,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:05,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:03:05,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:03:05,572 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) [2021-12-14 19:03:09,820 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 [] [2021-12-14 19:03:14,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:14,467 INFO L93 Difference]: Finished difference Result 7877 states and 11405 transitions. [2021-12-14 19:03:14,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:03:14,469 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 [2021-12-14 19:03:14,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:14,527 INFO L225 Difference]: With dead ends: 7877 [2021-12-14 19:03:14,528 INFO L226 Difference]: Without dead ends: 5411 [2021-12-14 19:03:14,553 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 [2021-12-14 19:03:14,561 INFO L933 BasicCegarLoop]: 3759 mSDtfsCounter, 4742 mSDsluCounter, 3916 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 2420 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5394 SdHoareTripleChecker+Valid, 7675 SdHoareTripleChecker+Invalid, 5043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2420 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:14,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5394 Valid, 7675 Invalid, 5043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2420 Valid, 2622 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2021-12-14 19:03:14,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5411 states. [2021-12-14 19:03:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5411 to 4807. [2021-12-14 19:03:14,877 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) [2021-12-14 19:03:14,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4807 states to 4807 states and 6761 transitions. [2021-12-14 19:03:14,920 INFO L78 Accepts]: Start accepts. Automaton has 4807 states and 6761 transitions. Word has length 192 [2021-12-14 19:03:14,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:14,925 INFO L470 AbstractCegarLoop]: Abstraction has 4807 states and 6761 transitions. [2021-12-14 19:03:14,925 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) [2021-12-14 19:03:14,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4807 states and 6761 transitions. [2021-12-14 19:03:14,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-14 19:03:14,936 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:14,937 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] [2021-12-14 19:03:14,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:03:14,938 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:14,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:14,938 INFO L85 PathProgramCache]: Analyzing trace with hash -564736885, now seen corresponding path program 1 times [2021-12-14 19:03:14,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:14,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754529717] [2021-12-14 19:03:14,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:14,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:03:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:03:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:03:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:03:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:03:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:03:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:03:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:03:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:03:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:03:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:03:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:03:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:03:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:03:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:03:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 19:03:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-14 19:03:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:03:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2021-12-14 19:03:15,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:15,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754529717] [2021-12-14 19:03:15,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754529717] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:15,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:15,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 19:03:15,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201733196] [2021-12-14 19:03:15,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:15,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 19:03:15,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:15,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 19:03:15,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:03:15,536 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) [2021-12-14 19:03:23,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:23,951 INFO L93 Difference]: Finished difference Result 13089 states and 18881 transitions. [2021-12-14 19:03:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:03:23,951 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 [2021-12-14 19:03:23,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:24,015 INFO L225 Difference]: With dead ends: 13089 [2021-12-14 19:03:24,015 INFO L226 Difference]: Without dead ends: 8317 [2021-12-14 19:03:24,046 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 [2021-12-14 19:03:24,047 INFO L933 BasicCegarLoop]: 3949 mSDtfsCounter, 5901 mSDsluCounter, 4183 mSDsCounter, 0 mSdLazyCounter, 3478 mSolverCounterSat, 4555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6602 SdHoareTripleChecker+Valid, 8132 SdHoareTripleChecker+Invalid, 8033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4555 IncrementalHoareTripleChecker+Valid, 3478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:24,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6602 Valid, 8132 Invalid, 8033 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4555 Valid, 3478 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-12-14 19:03:24,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8317 states. [2021-12-14 19:03:24,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8317 to 6845. [2021-12-14 19:03:24,379 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) [2021-12-14 19:03:24,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6845 states to 6845 states and 9594 transitions. [2021-12-14 19:03:24,415 INFO L78 Accepts]: Start accepts. Automaton has 6845 states and 9594 transitions. Word has length 224 [2021-12-14 19:03:24,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:24,416 INFO L470 AbstractCegarLoop]: Abstraction has 6845 states and 9594 transitions. [2021-12-14 19:03:24,416 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) [2021-12-14 19:03:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 6845 states and 9594 transitions. [2021-12-14 19:03:24,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-14 19:03:24,422 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:24,423 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] [2021-12-14 19:03:24,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 19:03:24,423 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:24,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:24,424 INFO L85 PathProgramCache]: Analyzing trace with hash -990434374, now seen corresponding path program 1 times [2021-12-14 19:03:24,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:24,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761172143] [2021-12-14 19:03:24,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:24,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:03:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:03:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:03:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:03:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:03:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:03:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:03:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:03:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:03:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:03:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:03:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:03:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:03:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:03:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:03:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 19:03:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-14 19:03:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 19:03:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-14 19:03:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-14 19:03:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-14 19:03:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-14 19:03:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-14 19:03:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-14 19:03:24,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:24,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761172143] [2021-12-14 19:03:24,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761172143] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:24,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:24,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:03:24,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616318144] [2021-12-14 19:03:24,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:24,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:03:24,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:24,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:03:24,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:03:24,994 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) [2021-12-14 19:03:28,771 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 [] [2021-12-14 19:03:32,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:32,744 INFO L93 Difference]: Finished difference Result 17514 states and 24880 transitions. [2021-12-14 19:03:32,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:03:32,744 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 [2021-12-14 19:03:32,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:32,840 INFO L225 Difference]: With dead ends: 17514 [2021-12-14 19:03:32,841 INFO L226 Difference]: Without dead ends: 12860 [2021-12-14 19:03:32,868 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 [2021-12-14 19:03:32,873 INFO L933 BasicCegarLoop]: 5869 mSDtfsCounter, 3910 mSDsluCounter, 4861 mSDsCounter, 0 mSdLazyCounter, 2724 mSolverCounterSat, 1802 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4557 SdHoareTripleChecker+Valid, 10730 SdHoareTripleChecker+Invalid, 4527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1802 IncrementalHoareTripleChecker+Valid, 2724 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:32,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4557 Valid, 10730 Invalid, 4527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1802 Valid, 2724 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2021-12-14 19:03:32,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12860 states. [2021-12-14 19:03:33,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12860 to 11365. [2021-12-14 19:03:33,436 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) [2021-12-14 19:03:33,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11365 states to 11365 states and 15934 transitions. [2021-12-14 19:03:33,489 INFO L78 Accepts]: Start accepts. Automaton has 11365 states and 15934 transitions. Word has length 250 [2021-12-14 19:03:33,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:33,490 INFO L470 AbstractCegarLoop]: Abstraction has 11365 states and 15934 transitions. [2021-12-14 19:03:33,491 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) [2021-12-14 19:03:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 11365 states and 15934 transitions. [2021-12-14 19:03:33,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-14 19:03:33,499 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:33,499 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] [2021-12-14 19:03:33,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 19:03:33,500 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:33,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:33,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1124447880, now seen corresponding path program 1 times [2021-12-14 19:03:33,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:33,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216363778] [2021-12-14 19:03:33,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:33,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:03:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:03:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:03:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:03:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:03:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:03:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:03:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:03:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:03:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:03:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:03:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:03:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:03:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:03:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:03:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 19:03:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-14 19:03:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 19:03:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-14 19:03:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-14 19:03:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-14 19:03:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-14 19:03:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-14 19:03:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2021-12-14 19:03:34,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:34,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216363778] [2021-12-14 19:03:34,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216363778] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:34,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:34,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 19:03:34,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115259290] [2021-12-14 19:03:34,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:34,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 19:03:34,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:34,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 19:03:34,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:03:34,267 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) [2021-12-14 19:03:38,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:38,183 INFO L93 Difference]: Finished difference Result 12858 states and 18346 transitions. [2021-12-14 19:03:38,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:03:38,184 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 [2021-12-14 19:03:38,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:38,258 INFO L225 Difference]: With dead ends: 12858 [2021-12-14 19:03:38,258 INFO L226 Difference]: Without dead ends: 12827 [2021-12-14 19:03:38,273 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 [2021-12-14 19:03:38,274 INFO L933 BasicCegarLoop]: 3236 mSDtfsCounter, 3819 mSDsluCounter, 3865 mSDsCounter, 0 mSdLazyCounter, 1882 mSolverCounterSat, 1642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4211 SdHoareTripleChecker+Valid, 7101 SdHoareTripleChecker+Invalid, 3524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1642 IncrementalHoareTripleChecker+Valid, 1882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:38,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4211 Valid, 7101 Invalid, 3524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1642 Valid, 1882 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-14 19:03:38,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12827 states. [2021-12-14 19:03:38,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12827 to 11334. [2021-12-14 19:03:38,760 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) [2021-12-14 19:03:38,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11334 states to 11334 states and 15887 transitions. [2021-12-14 19:03:38,817 INFO L78 Accepts]: Start accepts. Automaton has 11334 states and 15887 transitions. Word has length 250 [2021-12-14 19:03:38,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:38,819 INFO L470 AbstractCegarLoop]: Abstraction has 11334 states and 15887 transitions. [2021-12-14 19:03:38,819 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) [2021-12-14 19:03:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 11334 states and 15887 transitions. [2021-12-14 19:03:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-12-14 19:03:38,839 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:38,839 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] [2021-12-14 19:03:38,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 19:03:38,840 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:38,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:38,840 INFO L85 PathProgramCache]: Analyzing trace with hash 155649153, now seen corresponding path program 1 times [2021-12-14 19:03:38,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:38,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93687859] [2021-12-14 19:03:38,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:38,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:03:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:03:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:03:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:03:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:03:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:03:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:03:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:03:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:03:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:03:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:03:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:03:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:03:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:03:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:03:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 19:03:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-14 19:03:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 19:03:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-14 19:03:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-14 19:03:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-14 19:03:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-14 19:03:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 19:03:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-14 19:03:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:03:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:39,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-12-14 19:03:39,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:39,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93687859] [2021-12-14 19:03:39,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93687859] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:39,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:39,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 19:03:39,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799685105] [2021-12-14 19:03:39,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:39,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 19:03:39,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:39,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 19:03:39,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:03:39,376 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) [2021-12-14 19:03:43,503 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 [] [2021-12-14 19:03:46,674 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 []