./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.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 718a95fd2d27cb38002861c3cfa5a256ea936153fc96f7220d4978ac34f5d164 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 01:48:36,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 01:48:36,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 01:48:36,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 01:48:36,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 01:48:36,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 01:48:36,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 01:48:36,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 01:48:36,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 01:48:36,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 01:48:36,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 01:48:36,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 01:48:36,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 01:48:36,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 01:48:36,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 01:48:36,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 01:48:36,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 01:48:36,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 01:48:36,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 01:48:36,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 01:48:36,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 01:48:36,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 01:48:36,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 01:48:36,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 01:48:36,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 01:48:36,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 01:48:36,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 01:48:36,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 01:48:36,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 01:48:36,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 01:48:36,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 01:48:36,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 01:48:36,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 01:48:36,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 01:48:36,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 01:48:36,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 01:48:36,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 01:48:36,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 01:48:36,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 01:48:36,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 01:48:36,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 01:48:36,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 01:48:36,580 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 01:48:36,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 01:48:36,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 01:48:36,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 01:48:36,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 01:48:36,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 01:48:36,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 01:48:36,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 01:48:36,583 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 01:48:36,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 01:48:36,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 01:48:36,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 01:48:36,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 01:48:36,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 01:48:36,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 01:48:36,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 01:48:36,585 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 01:48:36,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 01:48:36,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 01:48:36,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 01:48:36,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 01:48:36,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:48:36,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 01:48:36,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 01:48:36,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 01:48:36,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 01:48:36,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 01:48:36,587 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 01:48:36,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 01:48:36,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 01:48:36,587 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 01:48:36,588 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 718a95fd2d27cb38002861c3cfa5a256ea936153fc96f7220d4978ac34f5d164 [2021-11-17 01:48:36,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 01:48:36,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 01:48:36,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 01:48:36,868 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 01:48:36,869 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 01:48:36,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i [2021-11-17 01:48:36,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a7c7fec/db41b7cb3ee04811ac0122f1e829adb3/FLAG7edc8ea06 [2021-11-17 01:48:37,686 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 01:48:37,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i [2021-11-17 01:48:37,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a7c7fec/db41b7cb3ee04811ac0122f1e829adb3/FLAG7edc8ea06 [2021-11-17 01:48:37,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a7c7fec/db41b7cb3ee04811ac0122f1e829adb3 [2021-11-17 01:48:37,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 01:48:37,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 01:48:37,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 01:48:37,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 01:48:37,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 01:48:37,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:48:37" (1/1) ... [2021-11-17 01:48:37,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6527116e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:37, skipping insertion in model container [2021-11-17 01:48:37,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:48:37" (1/1) ... [2021-11-17 01:48:37,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 01:48:38,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 01:48:38,506 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843] [2021-11-17 01:48:38,509 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4844-4845] [2021-11-17 01:48:38,626 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i[139081,139094] [2021-11-17 01:48:41,265 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:48:41,303 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 01:48:41,360 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843] [2021-11-17 01:48:41,362 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4844-4845] [2021-11-17 01:48:41,364 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i[139081,139094] [2021-11-17 01:48:41,846 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:48:42,013 INFO L208 MainTranslator]: Completed translation [2021-11-17 01:48:42,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42 WrapperNode [2021-11-17 01:48:42,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 01:48:42,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 01:48:42,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 01:48:42,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 01:48:42,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42" (1/1) ... [2021-11-17 01:48:42,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42" (1/1) ... [2021-11-17 01:48:42,438 INFO L137 Inliner]: procedures = 453, calls = 6871, calls flagged for inlining = 212, calls inlined = 198, statements flattened = 12716 [2021-11-17 01:48:42,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 01:48:42,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 01:48:42,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 01:48:42,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 01:48:42,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42" (1/1) ... [2021-11-17 01:48:42,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42" (1/1) ... [2021-11-17 01:48:42,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42" (1/1) ... [2021-11-17 01:48:42,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42" (1/1) ... [2021-11-17 01:48:42,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42" (1/1) ... [2021-11-17 01:48:42,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42" (1/1) ... [2021-11-17 01:48:42,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42" (1/1) ... [2021-11-17 01:48:42,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 01:48:42,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 01:48:42,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 01:48:42,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 01:48:42,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42" (1/1) ... [2021-11-17 01:48:42,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:48:42,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:48:42,976 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) [2021-11-17 01:48:43,072 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 [2021-11-17 01:48:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_poke_via_dsp [2021-11-17 01:48:43,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_poke_via_dsp [2021-11-17 01:48:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_read [2021-11-17 01:48:43,089 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_read [2021-11-17 01:48:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_clfe [2021-11-17 01:48:43,089 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_clfe [2021-11-17 01:48:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_src_task_scb [2021-11-17 01:48:43,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_src_task_scb [2021-11-17 01:48:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_free [2021-11-17 01:48:43,090 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_free [2021-11-17 01:48:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 01:48:43,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 01:48:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 01:48:43,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 01:48:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_hw_constraint_list [2021-11-17 01:48:43,090 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_hw_constraint_list [2021-11-17 01:48:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-17 01:48:43,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-17 01:48:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_scb_set_volume [2021-11-17 01:48:43,091 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_scb_set_volume [2021-11-17 01:48:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_pokeBA0 [2021-11-17 01:48:43,091 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_pokeBA0 [2021-11-17 01:48:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close_iec958 [2021-11-17 01:48:43,091 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close_iec958 [2021-11-17 01:48:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_close [2021-11-17 01:48:43,091 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_close [2021-11-17 01:48:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_set_ops [2021-11-17 01:48:43,092 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_set_ops [2021-11-17 01:48:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 01:48:43,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 01:48:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure dsp_load_parameter [2021-11-17 01:48:43,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dsp_load_parameter [2021-11-17 01:48:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_free_scb [2021-11-17 01:48:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_free_scb [2021-11-17 01:48:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_create_card_entry [2021-11-17 01:48:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_create_card_entry [2021-11-17 01:48:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_free [2021-11-17 01:48:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_free [2021-11-17 01:48:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 01:48:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 01:48:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_params [2021-11-17 01:48:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_params [2021-11-17 01:48:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 01:48:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_write [2021-11-17 01:48:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_write [2021-11-17 01:48:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 01:48:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 01:48:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_generic_scb [2021-11-17 01:48:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_generic_scb [2021-11-17 01:48:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 01:48:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 01:48:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_free_scb_desc [2021-11-17 01:48:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_free_scb_desc [2021-11-17 01:48:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure params_period_bytes [2021-11-17 01:48:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure params_period_bytes [2021-11-17 01:48:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 01:48:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_register_scb_desc [2021-11-17 01:48:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_register_scb_desc [2021-11-17 01:48:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_mix_only_scb [2021-11-17 01:48:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_mix_only_scb [2021-11-17 01:48:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_transfer [2021-11-17 01:48:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_transfer [2021-11-17 01:48:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_clear_BA1 [2021-11-17 01:48:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_clear_BA1 [2021-11-17 01:48:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 01:48:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 01:48:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_add [2021-11-17 01:48:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_add [2021-11-17 01:48:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dma_free_pages [2021-11-17 01:48:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dma_free_pages [2021-11-17 01:48:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 01:48:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_indirect_pointer [2021-11-17 01:48:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_indirect_pointer [2021-11-17 01:48:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_play_sample_rate [2021-11-17 01:48:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_play_sample_rate [2021-11-17 01:48:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 01:48:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 01:48:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 01:48:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_proc_start [2021-11-17 01:48:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_proc_start [2021-11-17 01:48:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 01:48:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 01:48:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_preallocate_pages_for_all [2021-11-17 01:48:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_preallocate_pages_for_all [2021-11-17 01:48:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_indirect_pointer [2021-11-17 01:48:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_indirect_pointer [2021-11-17 01:48:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_out [2021-11-17 01:48:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_out [2021-11-17 01:48:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-17 01:48:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-17 01:48:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_write [2021-11-17 01:48:43,102 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_write [2021-11-17 01:48:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 01:48:43,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 01:48:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_direct_pointer [2021-11-17 01:48:43,103 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_direct_pointer [2021-11-17 01:48:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_free_entry [2021-11-17 01:48:43,103 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_free_entry [2021-11-17 01:48:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_cs46xx_remove [2021-11-17 01:48:43,103 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_cs46xx_remove [2021-11-17 01:48:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_pcm_link [2021-11-17 01:48:43,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_pcm_link [2021-11-17 01:48:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure voyetra_setup_eapd_slot [2021-11-17 01:48:43,104 INFO L138 BoogieDeclarations]: Found implementation of procedure voyetra_setup_eapd_slot [2021-11-17 01:48:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 01:48:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 01:48:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 01:48:43,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 01:48:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 01:48:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_resume [2021-11-17 01:48:43,105 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_resume [2021-11-17 01:48:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_scb [2021-11-17 01:48:43,105 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_scb [2021-11-17 01:48:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_trigger [2021-11-17 01:48:43,106 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_trigger [2021-11-17 01:48:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_trigger [2021-11-17 01:48:43,107 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_trigger [2021-11-17 01:48:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure _cs46xx_playback_open_channel [2021-11-17 01:48:43,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _cs46xx_playback_open_channel [2021-11-17 01:48:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 01:48:43,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 01:48:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-17 01:48:43,109 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-17 01:48:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 01:48:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 01:48:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_prepare [2021-11-17 01:48:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_prepare [2021-11-17 01:48:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_serial_input_scb [2021-11-17 01:48:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_serial_input_scb [2021-11-17 01:48:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure snd_power_change_state [2021-11-17 01:48:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_power_change_state [2021-11-17 01:48:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_src_unlink [2021-11-17 01:48:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_src_unlink [2021-11-17 01:48:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure clkrun_init [2021-11-17 01:48:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure clkrun_init [2021-11-17 01:48:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 01:48:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 01:48:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure bytes_to_frames [2021-11-17 01:48:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bytes_to_frames [2021-11-17 01:48:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_iec958 [2021-11-17 01:48:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_iec958 [2021-11-17 01:48:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_peek [2021-11-17 01:48:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peek [2021-11-17 01:48:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 01:48:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 01:48:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure add_symbol [2021-11-17 01:48:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure add_symbol [2021-11-17 01:48:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 01:48:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 01:48:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_open [2021-11-17 01:48:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_open [2021-11-17 01:48:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_hw_stop [2021-11-17 01:48:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_hw_stop [2021-11-17 01:48:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure hw_param_interval_c [2021-11-17 01:48:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_param_interval_c [2021-11-17 01:48:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_capture_sample_rate [2021-11-17 01:48:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_capture_sample_rate [2021-11-17 01:48:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit [2021-11-17 01:48:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit [2021-11-17 01:48:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-17 01:48:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-17 01:48:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 01:48:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 01:48:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_buffer_bytes [2021-11-17 01:48:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_buffer_bytes [2021-11-17 01:48:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_detect_codec [2021-11-17 01:48:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_detect_codec [2021-11-17 01:48:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 01:48:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_reset [2021-11-17 01:48:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_reset [2021-11-17 01:48:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 01:48:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 01:48:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 01:48:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_open [2021-11-17 01:48:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_open [2021-11-17 01:48:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_codec_out_scb [2021-11-17 01:48:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_codec_out_scb [2021-11-17 01:48:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_disable_spdif_out [2021-11-17 01:48:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_disable_spdif_out [2021-11-17 01:48:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_clear_sample_buffer [2021-11-17 01:48:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_clear_sample_buffer [2021-11-17 01:48:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_malloc_pages [2021-11-17 01:48:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_malloc_pages [2021-11-17 01:48:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close [2021-11-17 01:48:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close [2021-11-17 01:48:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure amp_voyetra [2021-11-17 01:48:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure amp_voyetra [2021-11-17 01:48:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure get_segment_desc [2021-11-17 01:48:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure get_segment_desc [2021-11-17 01:48:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 01:48:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 01:48:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 01:48:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 01:48:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_task_tree [2021-11-17 01:48:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_task_tree [2021-11-17 01:48:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_free [2021-11-17 01:48:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_free [2021-11-17 01:48:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 01:48:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 01:48:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 01:48:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 01:48:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 01:48:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 01:48:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure free_module_desc [2021-11-17 01:48:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure free_module_desc [2021-11-17 01:48:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_new [2021-11-17 01:48:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_new [2021-11-17 01:48:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_generic_scb [2021-11-17 01:48:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_generic_scb [2021-11-17 01:48:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-17 01:48:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-17 01:48:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_suspend [2021-11-17 01:48:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_suspend [2021-11-17 01:48:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 01:48:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dma_alloc_pages [2021-11-17 01:48:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dma_alloc_pages [2021-11-17 01:48:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 01:48:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 01:48:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_prepare [2021-11-17 01:48:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_prepare [2021-11-17 01:48:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 01:48:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_destroy_pcm_channel [2021-11-17 01:48:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_destroy_pcm_channel [2021-11-17 01:48:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_trigger [2021-11-17 01:48:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_trigger [2021-11-17 01:48:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 01:48:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 01:48:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_reset [2021-11-17 01:48:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_reset [2021-11-17 01:48:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 01:48:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_close [2021-11-17 01:48:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_close [2021-11-17 01:48:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 01:48:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 01:48:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_resume [2021-11-17 01:48:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_resume [2021-11-17 01:48:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_suspend [2021-11-17 01:48:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_suspend [2021-11-17 01:48:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_rear [2021-11-17 01:48:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_rear [2021-11-17 01:48:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 01:48:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 01:48:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_ac97_write [2021-11-17 01:48:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_ac97_write [2021-11-17 01:48:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-17 01:48:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-17 01:48:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_enable_stream_irqs [2021-11-17 01:48:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_enable_stream_irqs [2021-11-17 01:48:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 01:48:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 01:48:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_read [2021-11-17 01:48:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_read [2021-11-17 01:48:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2021-11-17 01:48:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2021-11-17 01:48:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_new1 [2021-11-17 01:48:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_new1 [2021-11-17 01:48:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_asynch_fg_tx_scb [2021-11-17 01:48:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_asynch_fg_tx_scb [2021-11-17 01:48:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_format_width [2021-11-17 01:48:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_format_width [2021-11-17 01:48:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_direct_pointer [2021-11-17 01:48:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_direct_pointer [2021-11-17 01:48:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_update_scb [2021-11-17 01:48:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_update_scb [2021-11-17 01:48:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_open [2021-11-17 01:48:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_open [2021-11-17 01:48:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-17 01:48:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-17 01:48:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 01:48:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 01:48:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 01:48:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-17 01:48:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-17 01:48:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 01:48:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 01:48:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_destroy [2021-11-17 01:48:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_destroy [2021-11-17 01:48:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_channel [2021-11-17 01:48:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_channel [2021-11-17 01:48:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_task_tree [2021-11-17 01:48:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_task_tree [2021-11-17 01:48:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_trigger [2021-11-17 01:48:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_trigger [2021-11-17 01:48:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 01:48:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 01:48:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure frames_to_bytes [2021-11-17 01:48:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure frames_to_bytes [2021-11-17 01:48:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_chip_init [2021-11-17 01:48:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_chip_init [2021-11-17 01:48:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_free_pages [2021-11-17 01:48:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_free_pages [2021-11-17 01:48:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_peekBA0 [2021-11-17 01:48:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peekBA0 [2021-11-17 01:48:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_ioctl [2021-11-17 01:48:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_ioctl [2021-11-17 01:48:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure _wrap_all_bits [2021-11-17 01:48:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure _wrap_all_bits [2021-11-17 01:48:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_poke [2021-11-17 01:48:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_poke [2021-11-17 01:48:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure dsp_load_sample [2021-11-17 01:48:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dsp_load_sample [2021-11-17 01:48:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open [2021-11-17 01:48:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open [2021-11-17 01:48:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_scb [2021-11-17 01:48:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_scb [2021-11-17 01:48:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_lookup_symbol [2021-11-17 01:48:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_lookup_symbol [2021-11-17 01:48:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_transfer [2021-11-17 01:48:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_transfer [2021-11-17 01:48:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_wait_for_fifo [2021-11-17 01:48:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_wait_for_fifo [2021-11-17 01:48:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_download [2021-11-17 01:48:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_download [2021-11-17 01:48:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_params [2021-11-17 01:48:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_params [2021-11-17 01:48:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_remove_scb [2021-11-17 01:48:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_remove_scb [2021-11-17 01:48:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_hw [2021-11-17 01:48:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_hw [2021-11-17 01:48:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2021-11-17 01:48:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2021-11-17 01:48:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 01:48:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 01:48:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_close [2021-11-17 01:48:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_close [2021-11-17 01:48:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 01:48:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 01:48:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 01:48:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 01:48:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 01:48:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_unlink_scb [2021-11-17 01:48:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_unlink_scb [2021-11-17 01:48:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_register [2021-11-17 01:48:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_register [2021-11-17 01:48:43,991 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 01:48:43,994 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 01:48:52,886 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 01:50:13,856 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 01:50:13,904 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 01:50:13,904 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-17 01:50:13,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:50:13 BoogieIcfgContainer [2021-11-17 01:50:13,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 01:50:13,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 01:50:13,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 01:50:13,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 01:50:13,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:48:37" (1/3) ... [2021-11-17 01:50:13,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8848cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:50:13, skipping insertion in model container [2021-11-17 01:50:13,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:48:42" (2/3) ... [2021-11-17 01:50:13,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8848cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:50:13, skipping insertion in model container [2021-11-17 01:50:13,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:50:13" (3/3) ... [2021-11-17 01:50:13,932 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i [2021-11-17 01:50:13,936 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 01:50:13,936 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 01:50:14,026 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 01:50:14,032 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 [2021-11-17 01:50:14,032 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 01:50:14,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 4078 states, 2784 states have (on average 1.3922413793103448) internal successors, (3876), 2890 states have internal predecessors, (3876), 1137 states have call successors, (1137), 159 states have call predecessors, (1137), 158 states have return successors, (1119), 1111 states have call predecessors, (1119), 1119 states have call successors, (1119) [2021-11-17 01:50:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-17 01:50:14,175 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:50:14,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:50:14,176 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:50:14,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:50:14,195 INFO L85 PathProgramCache]: Analyzing trace with hash 78330796, now seen corresponding path program 1 times [2021-11-17 01:50:14,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:50:14,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303749918] [2021-11-17 01:50:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:50:14,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:50:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:50:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:50:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:50:14,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:50:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:50:14,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 01:50:14,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:50:14,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303749918] [2021-11-17 01:50:14,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303749918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:50:14,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:50:14,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 01:50:14,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390495941] [2021-11-17 01:50:14,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:50:14,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:50:14,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:50:14,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:50:14,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:50:14,885 INFO L87 Difference]: Start difference. First operand has 4078 states, 2784 states have (on average 1.3922413793103448) internal successors, (3876), 2890 states have internal predecessors, (3876), 1137 states have call successors, (1137), 159 states have call predecessors, (1137), 158 states have return successors, (1119), 1111 states have call predecessors, (1119), 1119 states have call successors, (1119) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 01:50:16,979 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:22,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:24,616 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:28,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:32,563 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:37,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:39,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:45,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:50,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:50:52,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:50:54,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:56,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:59,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:01,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:03,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:05,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:06,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:09,701 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:10,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:13,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:16,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:18,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:20,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:23,538 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:25,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:25,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:51:25,882 INFO L93 Difference]: Finished difference Result 11757 states and 18342 transitions. [2021-11-17 01:51:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:51:25,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2021-11-17 01:51:25,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:51:25,974 INFO L225 Difference]: With dead ends: 11757 [2021-11-17 01:51:25,975 INFO L226 Difference]: Without dead ends: 7631 [2021-11-17 01:51:26,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:51:26,010 INFO L933 BasicCegarLoop]: 6661 mSDtfsCounter, 5630 mSDsluCounter, 7954 mSDsCounter, 0 mSdLazyCounter, 3860 mSolverCounterSat, 2894 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6382 SdHoareTripleChecker+Valid, 14615 SdHoareTripleChecker+Invalid, 6771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2894 IncrementalHoareTripleChecker+Valid, 3860 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.1s IncrementalHoareTripleChecker+Time [2021-11-17 01:51:26,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6382 Valid, 14615 Invalid, 6771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2894 Valid, 3860 Invalid, 17 Unknown, 0 Unchecked, 70.1s Time] [2021-11-17 01:51:26,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7631 states. [2021-11-17 01:51:26,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7631 to 7090. [2021-11-17 01:51:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7090 states, 4850 states have (on average 1.3905154639175257) internal successors, (6744), 4998 states have internal predecessors, (6744), 1947 states have call successors, (1947), 292 states have call predecessors, (1947), 292 states have return successors, (1953), 1930 states have call predecessors, (1953), 1945 states have call successors, (1953) [2021-11-17 01:51:26,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7090 states to 7090 states and 10644 transitions. [2021-11-17 01:51:26,388 INFO L78 Accepts]: Start accepts. Automaton has 7090 states and 10644 transitions. Word has length 33 [2021-11-17 01:51:26,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:51:26,388 INFO L470 AbstractCegarLoop]: Abstraction has 7090 states and 10644 transitions. [2021-11-17 01:51:26,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 01:51:26,388 INFO L276 IsEmpty]: Start isEmpty. Operand 7090 states and 10644 transitions. [2021-11-17 01:51:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-17 01:51:26,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:51:26,399 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:51:26,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 01:51:26,399 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:51:26,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:51:26,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1278970975, now seen corresponding path program 1 times [2021-11-17 01:51:26,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:51:26,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569676877] [2021-11-17 01:51:26,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:51:26,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:51:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:26,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:51:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 01:51:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:26,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 01:51:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:26,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 01:51:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 01:51:26,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:51:26,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569676877] [2021-11-17 01:51:26,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569676877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:51:26,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:51:26,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 01:51:26,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18510448] [2021-11-17 01:51:26,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:51:26,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:51:26,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:51:26,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:51:26,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:51:26,723 INFO L87 Difference]: Start difference. First operand 7090 states and 10644 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 01:51:28,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:34,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:37,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:41,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:45,077 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:51,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:54,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:56,105 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:58,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:52:02,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:07,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:52:09,213 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:11,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:52:13,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:14,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:18,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:20,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:23,580 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:25,332 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:27,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:29,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:31,973 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:33,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:34,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:36,724 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:38,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:40,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:43,954 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:46,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:48,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:51,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:54,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:56,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:56,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:52:56,457 INFO L93 Difference]: Finished difference Result 22157 states and 33879 transitions. [2021-11-17 01:52:56,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:52:56,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2021-11-17 01:52:56,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:52:56,582 INFO L225 Difference]: With dead ends: 22157 [2021-11-17 01:52:56,582 INFO L226 Difference]: Without dead ends: 15072 [2021-11-17 01:52:56,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:52:56,618 INFO L933 BasicCegarLoop]: 7149 mSDtfsCounter, 6838 mSDsluCounter, 8049 mSDsCounter, 0 mSdLazyCounter, 4225 mSolverCounterSat, 3136 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7776 SdHoareTripleChecker+Valid, 15198 SdHoareTripleChecker+Invalid, 7381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3136 IncrementalHoareTripleChecker+Valid, 4225 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.9s IncrementalHoareTripleChecker+Time [2021-11-17 01:52:56,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7776 Valid, 15198 Invalid, 7381 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3136 Valid, 4225 Invalid, 20 Unknown, 0 Unchecked, 88.9s Time] [2021-11-17 01:52:56,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15072 states. [2021-11-17 01:52:57,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15072 to 13993. [2021-11-17 01:52:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13993 states, 9569 states have (on average 1.3899049012435991) internal successors, (13300), 9864 states have internal predecessors, (13300), 3841 states have call successors, (3841), 582 states have call predecessors, (3841), 582 states have return successors, (3855), 3808 states have call predecessors, (3855), 3839 states have call successors, (3855) [2021-11-17 01:52:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13993 states to 13993 states and 20996 transitions. [2021-11-17 01:52:57,125 INFO L78 Accepts]: Start accepts. Automaton has 13993 states and 20996 transitions. Word has length 55 [2021-11-17 01:52:57,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:52:57,125 INFO L470 AbstractCegarLoop]: Abstraction has 13993 states and 20996 transitions. [2021-11-17 01:52:57,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 01:52:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 13993 states and 20996 transitions. [2021-11-17 01:52:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-17 01:52:57,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:52:57,134 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:52:57,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 01:52:57,134 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:52:57,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:52:57,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1736757413, now seen corresponding path program 1 times [2021-11-17 01:52:57,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:52:57,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116746285] [2021-11-17 01:52:57,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:52:57,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:52:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:52:57,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:52:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:52:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 01:52:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:52:57,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 01:52:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:52:57,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 01:52:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:52:57,475 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 01:52:57,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:52:57,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116746285] [2021-11-17 01:52:57,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116746285] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:52:57,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:52:57,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 01:52:57,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052231730] [2021-11-17 01:52:57,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:52:57,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:52:57,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:52:57,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:52:57,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:52:57,478 INFO L87 Difference]: Start difference. First operand 13993 states and 20996 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 01:52:59,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:04,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:10,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:15,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:25,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:27,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:53:30,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:31,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:35,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:37,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:42,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:53:44,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:46,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:53:49,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:50,800 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:52,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:54,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:56,734 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:59,071 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:01,445 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:04,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:06,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:08,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:10,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:12,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:14,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:15,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:17,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:20,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:21,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:23,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:25,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:27,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:29,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:31,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:33,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:35,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:37,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:39,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:42,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:44,556 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:47,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:50,066 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:50,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:54:50,429 INFO L93 Difference]: Finished difference Result 43834 states and 66955 transitions. [2021-11-17 01:54:50,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:54:50,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2021-11-17 01:54:50,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:54:50,552 INFO L225 Difference]: With dead ends: 43834 [2021-11-17 01:54:50,552 INFO L226 Difference]: Without dead ends: 29846 [2021-11-17 01:54:50,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:54:50,599 INFO L933 BasicCegarLoop]: 7716 mSDtfsCounter, 6792 mSDsluCounter, 8323 mSDsCounter, 0 mSdLazyCounter, 4343 mSolverCounterSat, 3005 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7740 SdHoareTripleChecker+Valid, 16039 SdHoareTripleChecker+Invalid, 7375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3005 IncrementalHoareTripleChecker+Valid, 4343 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.8s IncrementalHoareTripleChecker+Time [2021-11-17 01:54:50,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7740 Valid, 16039 Invalid, 7375 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3005 Valid, 4343 Invalid, 27 Unknown, 0 Unchecked, 111.8s Time] [2021-11-17 01:54:50,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29846 states. [2021-11-17 01:54:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29846 to 27693. [2021-11-17 01:54:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27693 states, 18930 states have (on average 1.388906497622821) internal successors, (26292), 19520 states have internal predecessors, (26292), 7603 states have call successors, (7603), 1158 states have call predecessors, (7603), 1159 states have return successors, (7633), 7538 states have call predecessors, (7633), 7601 states have call successors, (7633) [2021-11-17 01:54:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27693 states to 27693 states and 41528 transitions. [2021-11-17 01:54:51,555 INFO L78 Accepts]: Start accepts. Automaton has 27693 states and 41528 transitions. Word has length 56 [2021-11-17 01:54:51,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:54:51,555 INFO L470 AbstractCegarLoop]: Abstraction has 27693 states and 41528 transitions. [2021-11-17 01:54:51,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 01:54:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 27693 states and 41528 transitions. [2021-11-17 01:54:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-17 01:54:51,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:54:51,561 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:54:51,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 01:54:51,562 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:54:51,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:54:51,562 INFO L85 PathProgramCache]: Analyzing trace with hash 731026740, now seen corresponding path program 1 times [2021-11-17 01:54:51,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:54:51,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856136334] [2021-11-17 01:54:51,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:54:51,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:54:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:54:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:52,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 01:54:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 01:54:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:52,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 01:54:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 01:54:52,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:54:52,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856136334] [2021-11-17 01:54:52,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856136334] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:54:52,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:54:52,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 01:54:52,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260334210] [2021-11-17 01:54:52,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:54:52,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:54:52,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:54:52,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:54:52,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:54:52,189 INFO L87 Difference]: Start difference. First operand 27693 states and 41528 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 01:54:54,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:57,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:01,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:03,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:08,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:13,097 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:26,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:29,059 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:31,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:37,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:55:39,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:55:42,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:44,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:45,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:50,326 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:52,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:54,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:56,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:58,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:00,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:01,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:03,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:05,211 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:06,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:08,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:10,233 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:11,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:14,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:16,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:19,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:21,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:24,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:26,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:26,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:56:26,685 INFO L93 Difference]: Finished difference Result 86618 states and 132125 transitions. [2021-11-17 01:56:26,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:56:26,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 58 [2021-11-17 01:56:26,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:56:27,128 INFO L225 Difference]: With dead ends: 86618 [2021-11-17 01:56:27,128 INFO L226 Difference]: Without dead ends: 58930 [2021-11-17 01:56:27,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:56:27,227 INFO L933 BasicCegarLoop]: 7771 mSDtfsCounter, 6744 mSDsluCounter, 8383 mSDsCounter, 0 mSdLazyCounter, 4320 mSolverCounterSat, 2968 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7683 SdHoareTripleChecker+Valid, 16154 SdHoareTripleChecker+Invalid, 7312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2968 IncrementalHoareTripleChecker+Valid, 4320 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.6s IncrementalHoareTripleChecker+Time [2021-11-17 01:56:27,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7683 Valid, 16154 Invalid, 7312 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2968 Valid, 4320 Invalid, 24 Unknown, 0 Unchecked, 92.6s Time] [2021-11-17 01:56:27,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58930 states. [2021-11-17 01:56:28,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58930 to 54655. [2021-11-17 01:56:29,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54655 states, 37344 states have (on average 1.3880141388174807) internal successors, (51834), 38530 states have internal predecessors, (51834), 14997 states have call successors, (14997), 2304 states have call predecessors, (14997), 2313 states have return successors, (15107), 14868 states have call predecessors, (15107), 14995 states have call successors, (15107) [2021-11-17 01:56:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54655 states to 54655 states and 81938 transitions. [2021-11-17 01:56:29,480 INFO L78 Accepts]: Start accepts. Automaton has 54655 states and 81938 transitions. Word has length 58 [2021-11-17 01:56:29,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:56:29,481 INFO L470 AbstractCegarLoop]: Abstraction has 54655 states and 81938 transitions. [2021-11-17 01:56:29,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 01:56:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 54655 states and 81938 transitions. [2021-11-17 01:56:29,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-17 01:56:29,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:56:29,488 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:56:29,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 01:56:29,488 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:56:29,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:56:29,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1306919861, now seen corresponding path program 1 times [2021-11-17 01:56:29,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:56:29,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146481709] [2021-11-17 01:56:29,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:56:29,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:56:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:56:29,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:56:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:56:29,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 01:56:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:56:29,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 01:56:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:56:29,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:56:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:56:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 01:56:29,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:56:29,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146481709] [2021-11-17 01:56:29,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146481709] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:56:29,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:56:29,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 01:56:29,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231243166] [2021-11-17 01:56:29,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:56:29,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:56:29,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:56:29,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:56:29,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:56:29,939 INFO L87 Difference]: Start difference. First operand 54655 states and 81938 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 01:56:32,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:38,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:40,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:44,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:48,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:56:53,796 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:01,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:05,157 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:07,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:13,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:57:15,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:57:16,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:20,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:22,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:25,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:28,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:31,149 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:33,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:35,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:37,616 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:39,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:41,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:43,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:46,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:47,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:49,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:51,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:54,092 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:55,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:57:57,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:00,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:02,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:05,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:07,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:09,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:11,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:11,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:58:11,765 INFO L93 Difference]: Finished difference Result 171280 states and 260957 transitions. [2021-11-17 01:58:11,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:58:11,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 59 [2021-11-17 01:58:11,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:58:12,688 INFO L225 Difference]: With dead ends: 171280 [2021-11-17 01:58:12,689 INFO L226 Difference]: Without dead ends: 116630 [2021-11-17 01:58:12,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:58:12,898 INFO L933 BasicCegarLoop]: 8226 mSDtfsCounter, 6697 mSDsluCounter, 8612 mSDsCounter, 0 mSdLazyCounter, 4397 mSolverCounterSat, 2867 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7634 SdHoareTripleChecker+Valid, 16838 SdHoareTripleChecker+Invalid, 7289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2867 IncrementalHoareTripleChecker+Valid, 4397 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.3s IncrementalHoareTripleChecker+Time [2021-11-17 01:58:12,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7634 Valid, 16838 Invalid, 7289 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2867 Valid, 4397 Invalid, 25 Unknown, 0 Unchecked, 98.3s Time] [2021-11-17 01:58:12,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116630 states. [2021-11-17 01:58:16,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116630 to 108073. [2021-11-17 01:58:16,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108073 states, 73814 states have (on average 1.3871623269298508) internal successors, (102392), 76184 states have internal predecessors, (102392), 29647 states have call successors, (29647), 4594 states have call predecessors, (29647), 4611 states have return successors, (29869), 29390 states have call predecessors, (29869), 29645 states have call successors, (29869) [2021-11-17 01:58:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108073 states to 108073 states and 161908 transitions. [2021-11-17 01:58:17,521 INFO L78 Accepts]: Start accepts. Automaton has 108073 states and 161908 transitions. Word has length 59 [2021-11-17 01:58:17,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:58:17,521 INFO L470 AbstractCegarLoop]: Abstraction has 108073 states and 161908 transitions. [2021-11-17 01:58:17,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 01:58:17,522 INFO L276 IsEmpty]: Start isEmpty. Operand 108073 states and 161908 transitions. [2021-11-17 01:58:17,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-17 01:58:17,526 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:58:17,527 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:58:17,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 01:58:17,527 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:58:17,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:58:17,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2076365237, now seen corresponding path program 1 times [2021-11-17 01:58:17,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:58:17,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696239745] [2021-11-17 01:58:17,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:58:17,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:58:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:58:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:58:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:58:17,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 01:58:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:58:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:58:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:58:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:58:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:58:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 01:58:17,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:58:17,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696239745] [2021-11-17 01:58:17,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696239745] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:58:17,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:58:17,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 01:58:17,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568571992] [2021-11-17 01:58:17,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:58:17,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:58:17,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:58:17,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:58:17,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:58:17,890 INFO L87 Difference]: Start difference. First operand 108073 states and 161908 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 01:58:19,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:25,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:28,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:33,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:37,293 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:48,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:51,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:53,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:58:58,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:00,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:03,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:09,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:59:11,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:13,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:59:15,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:19,982 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:21,960 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:24,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:27,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:29,842 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:32,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:34,153 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:36,094 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:37,553 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:38,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:41,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:42,605 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:44,159 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:47,077 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:49,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:51,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:53,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:56,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:59:58,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:00,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:02,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:05,662 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:07,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:10,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:12,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:12,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:00:12,367 INFO L93 Difference]: Finished difference Result 338850 states and 515379 transitions. [2021-11-17 02:00:12,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 02:00:12,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2021-11-17 02:00:12,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:00:14,299 INFO L225 Difference]: With dead ends: 338850 [2021-11-17 02:00:14,299 INFO L226 Difference]: Without dead ends: 230782 [2021-11-17 02:00:14,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 02:00:14,972 INFO L933 BasicCegarLoop]: 7876 mSDtfsCounter, 6736 mSDsluCounter, 8477 mSDsCounter, 0 mSdLazyCounter, 4308 mSolverCounterSat, 2971 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7668 SdHoareTripleChecker+Valid, 16353 SdHoareTripleChecker+Invalid, 7310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2971 IncrementalHoareTripleChecker+Valid, 4308 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.8s IncrementalHoareTripleChecker+Time [2021-11-17 02:00:14,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7668 Valid, 16353 Invalid, 7310 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2971 Valid, 4308 Invalid, 31 Unknown, 0 Unchecked, 107.8s Time] [2021-11-17 02:00:15,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230782 states. [2021-11-17 02:00:23,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230782 to 213689. [2021-11-17 02:00:23,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213689 states, 145868 states have (on average 1.385691172841199) internal successors, (202128), 150608 states have internal predecessors, (202128), 58607 states have call successors, (58607), 9178 states have call predecessors, (58607), 9213 states have return successors, (59053), 58094 states have call predecessors, (59053), 58605 states have call successors, (59053) [2021-11-17 02:00:25,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213689 states to 213689 states and 319788 transitions. [2021-11-17 02:00:25,649 INFO L78 Accepts]: Start accepts. Automaton has 213689 states and 319788 transitions. Word has length 61 [2021-11-17 02:00:25,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:00:25,650 INFO L470 AbstractCegarLoop]: Abstraction has 213689 states and 319788 transitions. [2021-11-17 02:00:25,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 02:00:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 213689 states and 319788 transitions. [2021-11-17 02:00:25,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-17 02:00:25,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:00:25,662 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 02:00:25,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 02:00:25,663 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:00:25,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:00:25,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2003838182, now seen corresponding path program 1 times [2021-11-17 02:00:25,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:00:25,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719779797] [2021-11-17 02:00:25,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:00:25,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:00:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:00:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:00:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:00:25,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 02:00:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:00:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:00:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:00:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 02:00:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:00:25,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 02:00:25,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:00:25,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719779797] [2021-11-17 02:00:25,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719779797] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:00:25,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:00:25,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 02:00:25,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608804682] [2021-11-17 02:00:25,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:00:25,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 02:00:25,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:00:25,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 02:00:25,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 02:00:25,894 INFO L87 Difference]: Start difference. First operand 213689 states and 319788 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 02:00:27,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:31,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:34,427 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:37,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:42,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:00:45,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:05,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:08,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:10,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:19,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 02:01:21,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 02:01:23,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:26,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:29,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:31,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:32,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:35,734 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:39,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:41,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:43,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:45,796 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:48,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:50,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:53,073 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:54,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:56,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:01:58,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:00,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:02,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:03,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:05,326 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:09,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:11,345 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:13,636 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:15,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:18,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:20,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:22,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:24,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:28,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:30,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:33,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:35,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:02:35,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:02:35,598 INFO L93 Difference]: Finished difference Result 670466 states and 1018147 transitions. [2021-11-17 02:02:35,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 02:02:35,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 63 [2021-11-17 02:02:35,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:02:39,610 INFO L225 Difference]: With dead ends: 670466 [2021-11-17 02:02:39,610 INFO L226 Difference]: Without dead ends: 456782 [2021-11-17 02:02:40,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 02:02:40,917 INFO L933 BasicCegarLoop]: 8342 mSDtfsCounter, 6671 mSDsluCounter, 8721 mSDsCounter, 0 mSdLazyCounter, 4381 mSolverCounterSat, 2844 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7605 SdHoareTripleChecker+Valid, 17063 SdHoareTripleChecker+Invalid, 7256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2844 IncrementalHoareTripleChecker+Valid, 4381 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.7s IncrementalHoareTripleChecker+Time [2021-11-17 02:02:40,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7605 Valid, 17063 Invalid, 7256 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2844 Valid, 4381 Invalid, 31 Unknown, 0 Unchecked, 114.7s Time] [2021-11-17 02:02:41,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456782 states. Killed by 15