./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.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 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:23:03,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:23:03,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:23:03,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:23:03,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:23:03,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:23:03,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:23:03,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:23:03,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:23:03,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:23:03,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:23:03,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:23:03,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:23:03,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:23:03,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:23:03,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:23:03,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:23:03,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:23:03,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:23:03,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:23:03,625 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:23:03,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:23:03,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:23:03,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:23:03,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:23:03,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:23:03,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:23:03,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:23:03,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:23:03,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:23:03,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:23:03,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:23:03,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:23:03,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:23:03,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:23:03,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:23:03,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:23:03,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:23:03,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:23:03,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:23:03,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:23:03,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:23:03,651 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:23:03,683 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:23:03,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:23:03,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:23:03,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:23:03,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:23:03,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:23:03,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:23:03,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:23:03,686 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:23:03,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:23:03,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:23:03,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:23:03,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:23:03,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:23:03,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:23:03,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:23:03,688 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:23:03,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:23:03,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:23:03,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:23:03,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:23:03,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:23:03,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:23:03,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:23:03,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:23:03,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:23:03,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:23:03,690 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:23:03,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:23:03,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:23:03,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3 [2022-07-14 00:23:03,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:23:03,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:23:03,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:23:03,988 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:23:03,989 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:23:03,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2022-07-14 00:23:04,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4a51e6be/e06c2938afe145bfb4b94e195d1ee3db/FLAG03322a617 [2022-07-14 00:23:04,842 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:23:04,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2022-07-14 00:23:04,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4a51e6be/e06c2938afe145bfb4b94e195d1ee3db/FLAG03322a617 [2022-07-14 00:23:05,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4a51e6be/e06c2938afe145bfb4b94e195d1ee3db [2022-07-14 00:23:05,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:23:05,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:23:05,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:23:05,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:23:05,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:23:05,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:23:05" (1/1) ... [2022-07-14 00:23:05,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17995923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:05, skipping insertion in model container [2022-07-14 00:23:05,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:23:05" (1/1) ... [2022-07-14 00:23:05,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:23:05,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:23:05,968 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2022-07-14 00:23:05,969 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2022-07-14 00:23:06,741 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_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095] [2022-07-14 00:23:08,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:23:08,853 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:23:08,941 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2022-07-14 00:23:08,943 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2022-07-14 00:23:08,956 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_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095] [2022-07-14 00:23:09,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:23:09,519 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:23:09,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09 WrapperNode [2022-07-14 00:23:09,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:23:09,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:23:09,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:23:09,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:23:09,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09" (1/1) ... [2022-07-14 00:23:09,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09" (1/1) ... [2022-07-14 00:23:09,919 INFO L137 Inliner]: procedures = 362, calls = 6469, calls flagged for inlining = 182, calls inlined = 134, statements flattened = 9336 [2022-07-14 00:23:09,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:23:09,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:23:09,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:23:09,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:23:09,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09" (1/1) ... [2022-07-14 00:23:09,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09" (1/1) ... [2022-07-14 00:23:09,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09" (1/1) ... [2022-07-14 00:23:09,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09" (1/1) ... [2022-07-14 00:23:10,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09" (1/1) ... [2022-07-14 00:23:10,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09" (1/1) ... [2022-07-14 00:23:10,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09" (1/1) ... [2022-07-14 00:23:10,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:23:10,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:23:10,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:23:10,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:23:10,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09" (1/1) ... [2022-07-14 00:23:10,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:23:10,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:23:10,297 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) [2022-07-14 00:23:10,319 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 [2022-07-14 00:23:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 00:23:10,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 00:23:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2022-07-14 00:23:10,342 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2022-07-14 00:23:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_pcie_error_reporting [2022-07-14 00:23:10,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_pcie_error_reporting [2022-07-14 00:23:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-14 00:23:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:23:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:23:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure skd_skdev_state_to_str [2022-07-14 00:23:10,344 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_skdev_state_to_str [2022-07-14 00:23:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 00:23:10,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 00:23:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:23:10,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:23:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure skd_quiesce_dev [2022-07-14 00:23:10,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_quiesce_dev [2022-07-14 00:23:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-14 00:23:10,345 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-14 00:23:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 00:23:10,346 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 00:23:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 00:23:10,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 00:23:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:23:10,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:23:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure skd_cons_sg_list [2022-07-14 00:23:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_cons_sg_list [2022-07-14 00:23:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_device [2022-07-14 00:23:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_device [2022-07-14 00:23:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-14 00:23:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-14 00:23:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:23:10,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:23:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure skd_postop_sg_list [2022-07-14 00:23:10,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_postop_sg_list [2022-07-14 00:23:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 00:23:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 00:23:10,349 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2022-07-14 00:23:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2022-07-14 00:23:10,349 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skreq [2022-07-14 00:23:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skreq [2022-07-14 00:23:10,349 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-07-14 00:23:10,350 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-07-14 00:23:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-07-14 00:23:10,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-07-14 00:23:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:23:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:23:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure skd_disable_interrupts [2022-07-14 00:23:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_disable_interrupts [2022-07-14 00:23:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:23:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:23:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 00:23:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 00:23:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 00:23:10,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 00:23:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_remove [2022-07-14 00:23:10,353 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_remove [2022-07-14 00:23:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_fault [2022-07-14 00:23:10,354 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_fault [2022-07-14 00:23:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_fwstate [2022-07-14 00:23:10,354 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_fwstate [2022-07-14 00:23:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-14 00:23:10,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-14 00:23:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-07-14 00:23:10,355 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-07-14 00:23:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:23:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 00:23:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 00:23:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_disappeared [2022-07-14 00:23:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_disappeared [2022-07-14 00:23:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure skd_sg_io_copy_buffer [2022-07-14 00:23:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_sg_io_copy_buffer [2022-07-14 00:23:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 00:23:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 00:23:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-14 00:23:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-14 00:23:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:23:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 00:23:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 00:23:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write64 [2022-07-14 00:23:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write64 [2022-07-14 00:23:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 00:23:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 00:23:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-14 00:23:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-14 00:23:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:23:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:23:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-14 00:23:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-14 00:23:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:23:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 00:23:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 00:23:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:23:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 00:23:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 00:23:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-14 00:23:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-14 00:23:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-14 00:23:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 00:23:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 00:23:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure skd_soft_reset [2022-07-14 00:23:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_soft_reset [2022-07-14 00:23:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_timer [2022-07-14 00:23:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_timer [2022-07-14 00:23:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write32 [2022-07-14 00:23:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write32 [2022-07-14 00:23:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-14 00:23:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-14 00:23:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-14 00:23:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-14 00:23:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 00:23:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:23:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:23:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 00:23:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 00:23:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure blk_requeue_request [2022-07-14 00:23:10,368 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_requeue_request [2022-07-14 00:23:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 00:23:10,368 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 00:23:10,370 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-07-14 00:23:10,370 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-07-14 00:23:10,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 00:23:10,370 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-07-14 00:23:10,371 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-07-14 00:23:10,376 INFO L130 BoogieDeclarations]: Found specification of procedure skd_restart_device [2022-07-14 00:23:10,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_restart_device [2022-07-14 00:23:10,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:23:10,376 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-14 00:23:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-14 00:23:10,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:23:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:23:10,377 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_read32 [2022-07-14 00:23:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_read32 [2022-07-14 00:23:10,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 00:23:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 00:23:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-07-14 00:23:10,378 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-07-14 00:23:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-14 00:23:10,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-14 00:23:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-14 00:23:10,378 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-14 00:23:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-07-14 00:23:10,379 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-07-14 00:23:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:23:10,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:23:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 00:23:10,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 00:23:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:23:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 00:23:10,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 00:23:10,380 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-14 00:23:10,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-14 00:23:10,380 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_internal_skspcl [2022-07-14 00:23:10,380 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_internal_skspcl [2022-07-14 00:23:10,380 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_special [2022-07-14 00:23:10,380 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_special [2022-07-14 00:23:10,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:23:10,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:23:10,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2022-07-14 00:23:10,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2022-07-14 00:23:10,381 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_irq [2022-07-14 00:23:10,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_irq [2022-07-14 00:23:10,381 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-14 00:23:10,381 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-14 00:23:10,382 INFO L130 BoogieDeclarations]: Found specification of procedure skd_free_sg_list [2022-07-14 00:23:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_free_sg_list [2022-07-14 00:23:10,382 INFO L130 BoogieDeclarations]: Found specification of procedure skd_destruct [2022-07-14 00:23:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_destruct [2022-07-14 00:23:10,382 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_state_to_str [2022-07-14 00:23:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_state_to_str [2022-07-14 00:23:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:23:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-14 00:23:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-14 00:23:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:23:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_special_fitmsg [2022-07-14 00:23:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_special_fitmsg [2022-07-14 00:23:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 00:23:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 00:23:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:23:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2022-07-14 00:23:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2022-07-14 00:23:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 00:23:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-14 00:23:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-14 00:23:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-14 00:23:10,385 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-14 00:23:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-14 00:23:10,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-14 00:23:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 00:23:10,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 00:23:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure skd_name [2022-07-14 00:23:10,385 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_name [2022-07-14 00:23:10,386 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 00:23:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 00:23:10,386 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_msix [2022-07-14 00:23:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_msix [2022-07-14 00:23:10,386 INFO L130 BoogieDeclarations]: Found specification of procedure skd_end_request [2022-07-14 00:23:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_end_request [2022-07-14 00:23:10,386 INFO L130 BoogieDeclarations]: Found specification of procedure skd_recover_requests [2022-07-14 00:23:10,387 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_recover_requests [2022-07-14 00:23:10,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 00:23:10,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 00:23:10,387 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 00:23:10,387 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 00:23:10,387 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2022-07-14 00:23:10,387 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2022-07-14 00:23:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 00:23:10,388 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 00:23:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-14 00:23:10,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-14 00:23:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 00:23:10,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 00:23:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 00:23:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 00:23:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 00:23:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 00:23:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 00:23:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 00:23:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_shutdown [2022-07-14 00:23:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_shutdown [2022-07-14 00:23:10,390 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-14 00:23:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-14 00:23:10,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:23:10,390 INFO L130 BoogieDeclarations]: Found specification of procedure skd_stop_device [2022-07-14 00:23:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_stop_device [2022-07-14 00:23:10,390 INFO L130 BoogieDeclarations]: Found specification of procedure skd_acquire_irq [2022-07-14 00:23:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_acquire_irq [2022-07-14 00:23:10,390 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 00:23:10,391 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 00:23:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:23:10,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:23:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-07-14 00:23:10,391 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-07-14 00:23:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2022-07-14 00:23:10,391 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2022-07-14 00:23:11,275 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:23:11,281 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:23:11,486 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:23:11,682 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-14 00:23:11,683 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 4 == __copy_to_user_nocheck_~size#1; [2022-07-14 00:23:11,683 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5467: SUMMARY for call __copy_to_user_nocheck_#t~ret291#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-07-14 00:23:11,684 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5467-1: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret291#1 && __copy_to_user_nocheck_#t~ret291#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~7#1 := __copy_to_user_nocheck_#t~ret291#1;havoc __copy_to_user_nocheck_#t~ret291#1; [2022-07-14 00:23:11,684 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5455: SUMMARY for call __copy_to_user_nocheck_#t~ret290#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-07-14 00:23:11,684 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5455-1: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret290#1 && __copy_to_user_nocheck_#t~ret290#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~11#1 := __copy_to_user_nocheck_#t~ret290#1;havoc __copy_to_user_nocheck_#t~ret290#1; [2022-07-14 00:23:11,684 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-14 00:23:11,684 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 2 == __copy_to_user_nocheck_~size#1; [2022-07-14 00:23:11,684 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume __copy_to_user_nocheck_#t~switch289#1; [2022-07-14 00:23:11,685 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume !__copy_to_user_nocheck_#t~switch289#1; [2022-07-14 00:23:11,685 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435: havoc __copy_to_user_nocheck_#t~switch289#1; [2022-07-14 00:23:11,685 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume 0 != __copy_to_user_nocheck_~tmp___1~7#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-14 00:23:11,685 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume !(0 != __copy_to_user_nocheck_~tmp___1~7#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-14 00:23:11,685 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume __copy_to_user_nocheck_#t~switch289#1; [2022-07-14 00:23:11,685 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := true; [2022-07-14 00:23:11,686 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume 0 != __copy_to_user_nocheck_~tmp___0~11#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-14 00:23:11,686 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume !(0 != __copy_to_user_nocheck_~tmp___0~11#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-14 00:23:11,686 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume __copy_to_user_nocheck_#t~switch289#1; [2022-07-14 00:23:11,686 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 16 == __copy_to_user_nocheck_~size#1; [2022-07-14 00:23:11,686 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-14 00:23:11,686 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 10 == __copy_to_user_nocheck_~size#1; [2022-07-14 00:23:11,687 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5477: SUMMARY for call __copy_to_user_nocheck_#t~ret292#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-07-14 00:23:11,687 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-14 00:23:11,687 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 8 == __copy_to_user_nocheck_~size#1; [2022-07-14 00:23:11,687 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5477-1: __copy_to_user_nocheck_~tmp___2~3#1 := __copy_to_user_nocheck_#t~ret292#1;havoc __copy_to_user_nocheck_#t~ret292#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-07-14 00:23:13,843 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362: havoc __copy_from_user_nocheck_#t~switch283#1; [2022-07-14 00:23:13,843 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387: SUMMARY for call __copy_from_user_nocheck_#t~ret284#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-07-14 00:23:13,843 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387-1: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret284#1 && __copy_from_user_nocheck_#t~ret284#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~10#1 := __copy_from_user_nocheck_#t~ret284#1;havoc __copy_from_user_nocheck_#t~ret284#1; [2022-07-14 00:23:13,844 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume __copy_from_user_nocheck_#t~switch283#1; [2022-07-14 00:23:13,844 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 16 == __copy_from_user_nocheck_~size#1; [2022-07-14 00:23:13,844 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5400-1: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret285#1 && __copy_from_user_nocheck_#t~ret285#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~6#1 := __copy_from_user_nocheck_#t~ret285#1;havoc __copy_from_user_nocheck_#t~ret285#1; [2022-07-14 00:23:13,844 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5400: SUMMARY for call __copy_from_user_nocheck_#t~ret285#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-07-14 00:23:13,844 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume __copy_from_user_nocheck_#t~switch283#1; [2022-07-14 00:23:13,844 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := true; [2022-07-14 00:23:13,844 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume 0 != __copy_from_user_nocheck_~tmp___0~10#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-14 00:23:13,845 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume !(0 != __copy_from_user_nocheck_~tmp___0~10#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-14 00:23:13,845 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume __copy_from_user_nocheck_#t~switch283#1; [2022-07-14 00:23:13,845 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume !__copy_from_user_nocheck_#t~switch283#1; [2022-07-14 00:23:13,845 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume 0 != __copy_from_user_nocheck_~tmp___1~6#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-14 00:23:13,845 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume !(0 != __copy_from_user_nocheck_~tmp___1~6#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-14 00:23:13,845 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-14 00:23:13,845 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 4 == __copy_from_user_nocheck_~size#1; [2022-07-14 00:23:13,845 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-14 00:23:13,846 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5410: SUMMARY for call __copy_from_user_nocheck_#t~ret286#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-07-14 00:23:13,846 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 2 == __copy_from_user_nocheck_~size#1; [2022-07-14 00:23:13,846 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5410-1: __copy_from_user_nocheck_~tmp___2~2#1 := __copy_from_user_nocheck_#t~ret286#1;havoc __copy_from_user_nocheck_#t~ret286#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-07-14 00:23:13,846 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-14 00:23:13,846 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 8 == __copy_from_user_nocheck_~size#1; [2022-07-14 00:23:13,846 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-14 00:23:13,846 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 10 == __copy_from_user_nocheck_~size#1; [2022-07-14 00:23:19,774 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:23:19,790 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:23:19,791 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 00:23:19,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:23:19 BoogieIcfgContainer [2022-07-14 00:23:19,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:23:19,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:23:19,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:23:19,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:23:19,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:23:05" (1/3) ... [2022-07-14 00:23:19,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab364bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:23:19, skipping insertion in model container [2022-07-14 00:23:19,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:23:09" (2/3) ... [2022-07-14 00:23:19,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab364bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:23:19, skipping insertion in model container [2022-07-14 00:23:19,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:23:19" (3/3) ... [2022-07-14 00:23:19,802 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2022-07-14 00:23:19,813 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:23:19,813 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:23:19,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:23:19,911 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@32b61edd, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@60920195 [2022-07-14 00:23:19,911 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:23:19,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 2375 states, 1750 states have (on average 1.3845714285714286) internal successors, (2423), 1794 states have internal predecessors, (2423), 516 states have call successors, (516), 108 states have call predecessors, (516), 107 states have return successors, (511), 499 states have call predecessors, (511), 511 states have call successors, (511) [2022-07-14 00:23:19,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-14 00:23:19,952 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:23:19,953 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:23:19,954 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:23:19,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:23:19,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1425193695, now seen corresponding path program 1 times [2022-07-14 00:23:19,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:23:19,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675656354] [2022-07-14 00:23:19,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:23:19,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:23:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:23:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:23:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 00:23:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:20,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:23:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 00:23:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:20,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-14 00:23:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 00:23:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:20,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 00:23:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:20,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-14 00:23:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:20,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 00:23:20,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:23:20,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675656354] [2022-07-14 00:23:20,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675656354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:23:20,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:23:20,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:23:20,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992669389] [2022-07-14 00:23:20,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:23:20,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:23:20,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:23:20,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:23:20,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:23:20,947 INFO L87 Difference]: Start difference. First operand has 2375 states, 1750 states have (on average 1.3845714285714286) internal successors, (2423), 1794 states have internal predecessors, (2423), 516 states have call successors, (516), 108 states have call predecessors, (516), 107 states have return successors, (511), 499 states have call predecessors, (511), 511 states have call successors, (511) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-14 00:23:23,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:33,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:23:33,392 INFO L93 Difference]: Finished difference Result 6416 states and 9536 transitions. [2022-07-14 00:23:33,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:23:33,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2022-07-14 00:23:33,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:23:33,449 INFO L225 Difference]: With dead ends: 6416 [2022-07-14 00:23:33,449 INFO L226 Difference]: Without dead ends: 4001 [2022-07-14 00:23:33,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:23:33,469 INFO L413 NwaCegarLoop]: 3728 mSDtfsCounter, 3525 mSDsluCounter, 5632 mSDsCounter, 0 mSdLazyCounter, 3828 mSolverCounterSat, 1869 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3727 SdHoareTripleChecker+Valid, 9360 SdHoareTripleChecker+Invalid, 5697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1869 IncrementalHoareTripleChecker+Valid, 3828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:23:33,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3727 Valid, 9360 Invalid, 5697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1869 Valid, 3828 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2022-07-14 00:23:33,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4001 states. [2022-07-14 00:23:33,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4001 to 3638. [2022-07-14 00:23:33,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3638 states, 2712 states have (on average 1.3672566371681416) internal successors, (3708), 2771 states have internal predecessors, (3708), 749 states have call successors, (749), 177 states have call predecessors, (749), 176 states have return successors, (748), 726 states have call predecessors, (748), 748 states have call successors, (748) [2022-07-14 00:23:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3638 states to 3638 states and 5205 transitions. [2022-07-14 00:23:33,771 INFO L78 Accepts]: Start accepts. Automaton has 3638 states and 5205 transitions. Word has length 78 [2022-07-14 00:23:33,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:23:33,772 INFO L495 AbstractCegarLoop]: Abstraction has 3638 states and 5205 transitions. [2022-07-14 00:23:33,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-14 00:23:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3638 states and 5205 transitions. [2022-07-14 00:23:33,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-14 00:23:33,786 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:23:33,786 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:23:33,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:23:33,787 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:23:33,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:23:33,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1331122468, now seen corresponding path program 1 times [2022-07-14 00:23:33,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:23:33,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956237577] [2022-07-14 00:23:33,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:23:33,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:23:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:23:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:23:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 00:23:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:23:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:23:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 00:23:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 00:23:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:23:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 00:23:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 00:23:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 00:23:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-14 00:23:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:23:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,394 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-14 00:23:34,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:23:34,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956237577] [2022-07-14 00:23:34,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956237577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:23:34,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:23:34,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:23:34,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324676990] [2022-07-14 00:23:34,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:23:34,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:23:34,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:23:34,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:23:34,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:23:34,401 INFO L87 Difference]: Start difference. First operand 3638 states and 5205 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 00:23:37,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:39,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:54,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:23:54,895 INFO L93 Difference]: Finished difference Result 10629 states and 15414 transitions. [2022-07-14 00:23:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 00:23:54,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2022-07-14 00:23:54,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:23:54,940 INFO L225 Difference]: With dead ends: 10629 [2022-07-14 00:23:54,940 INFO L226 Difference]: Without dead ends: 7010 [2022-07-14 00:23:54,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-07-14 00:23:54,957 INFO L413 NwaCegarLoop]: 4498 mSDtfsCounter, 5567 mSDsluCounter, 5908 mSDsCounter, 0 mSdLazyCounter, 7668 mSolverCounterSat, 3310 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5994 SdHoareTripleChecker+Valid, 10406 SdHoareTripleChecker+Invalid, 10979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3310 IncrementalHoareTripleChecker+Valid, 7668 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:23:54,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5994 Valid, 10406 Invalid, 10979 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3310 Valid, 7668 Invalid, 1 Unknown, 0 Unchecked, 20.0s Time] [2022-07-14 00:23:54,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7010 states. [2022-07-14 00:23:55,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7010 to 6295. [2022-07-14 00:23:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6295 states, 4679 states have (on average 1.3663175892284676) internal successors, (6393), 4796 states have internal predecessors, (6393), 1298 states have call successors, (1298), 318 states have call predecessors, (1298), 317 states have return successors, (1297), 1252 states have call predecessors, (1297), 1297 states have call successors, (1297) [2022-07-14 00:23:55,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 8988 transitions. [2022-07-14 00:23:55,262 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 8988 transitions. Word has length 119 [2022-07-14 00:23:55,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:23:55,264 INFO L495 AbstractCegarLoop]: Abstraction has 6295 states and 8988 transitions. [2022-07-14 00:23:55,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 00:23:55,264 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 8988 transitions. [2022-07-14 00:23:55,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-14 00:23:55,276 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:23:55,276 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:23:55,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 00:23:55,277 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:23:55,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:23:55,277 INFO L85 PathProgramCache]: Analyzing trace with hash 501978286, now seen corresponding path program 1 times [2022-07-14 00:23:55,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:23:55,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169128189] [2022-07-14 00:23:55,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:23:55,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:23:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:23:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:23:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 00:23:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:23:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 00:23:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 00:23:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:23:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-14 00:23:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-14 00:23:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 00:23:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 00:23:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:55,766 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-14 00:23:55,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:23:55,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169128189] [2022-07-14 00:23:55,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169128189] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:23:55,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:23:55,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:23:55,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278847661] [2022-07-14 00:23:55,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:23:55,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:23:55,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:23:55,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:23:55,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:23:55,769 INFO L87 Difference]: Start difference. First operand 6295 states and 8988 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-14 00:23:58,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:05,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:24:05,155 INFO L93 Difference]: Finished difference Result 13265 states and 19164 transitions. [2022-07-14 00:24:05,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:24:05,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2022-07-14 00:24:05,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:24:05,195 INFO L225 Difference]: With dead ends: 13265 [2022-07-14 00:24:05,196 INFO L226 Difference]: Without dead ends: 6993 [2022-07-14 00:24:05,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:24:05,224 INFO L413 NwaCegarLoop]: 3228 mSDtfsCounter, 4168 mSDsluCounter, 2881 mSDsCounter, 0 mSdLazyCounter, 2179 mSolverCounterSat, 1436 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4535 SdHoareTripleChecker+Valid, 6109 SdHoareTripleChecker+Invalid, 3616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1436 IncrementalHoareTripleChecker+Valid, 2179 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:24:05,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4535 Valid, 6109 Invalid, 3616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1436 Valid, 2179 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-07-14 00:24:05,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6993 states. [2022-07-14 00:24:05,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6993 to 6295. [2022-07-14 00:24:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6295 states, 4679 states have (on average 1.3654627057063475) internal successors, (6389), 4796 states have internal predecessors, (6389), 1298 states have call successors, (1298), 318 states have call predecessors, (1298), 317 states have return successors, (1297), 1252 states have call predecessors, (1297), 1297 states have call successors, (1297) [2022-07-14 00:24:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 8984 transitions. [2022-07-14 00:24:05,521 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 8984 transitions. Word has length 116 [2022-07-14 00:24:05,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:24:05,521 INFO L495 AbstractCegarLoop]: Abstraction has 6295 states and 8984 transitions. [2022-07-14 00:24:05,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-14 00:24:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 8984 transitions. [2022-07-14 00:24:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-14 00:24:05,529 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:24:05,530 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:24:05,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 00:24:05,530 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:24:05,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:24:05,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1389201132, now seen corresponding path program 1 times [2022-07-14 00:24:05,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:24:05,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455260010] [2022-07-14 00:24:05,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:24:05,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:24:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:24:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:24:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 00:24:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:24:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 00:24:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 00:24:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:24:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-14 00:24:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-14 00:24:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 00:24:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 00:24:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-14 00:24:05,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:24:05,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455260010] [2022-07-14 00:24:05,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455260010] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:24:05,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:24:05,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:24:05,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487142097] [2022-07-14 00:24:05,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:24:05,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:24:05,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:24:05,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:24:05,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:24:05,975 INFO L87 Difference]: Start difference. First operand 6295 states and 8984 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-14 00:24:08,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:15,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:24:15,245 INFO L93 Difference]: Finished difference Result 13265 states and 19156 transitions. [2022-07-14 00:24:15,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:24:15,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2022-07-14 00:24:15,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:24:15,340 INFO L225 Difference]: With dead ends: 13265 [2022-07-14 00:24:15,340 INFO L226 Difference]: Without dead ends: 6993 [2022-07-14 00:24:15,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:24:15,359 INFO L413 NwaCegarLoop]: 3216 mSDtfsCounter, 4169 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 1445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4540 SdHoareTripleChecker+Valid, 6088 SdHoareTripleChecker+Invalid, 3614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1445 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:24:15,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4540 Valid, 6088 Invalid, 3614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1445 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-07-14 00:24:15,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6993 states. [2022-07-14 00:24:15,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6993 to 6295. [2022-07-14 00:24:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6295 states, 4679 states have (on average 1.3646078221842275) internal successors, (6385), 4796 states have internal predecessors, (6385), 1298 states have call successors, (1298), 318 states have call predecessors, (1298), 317 states have return successors, (1297), 1252 states have call predecessors, (1297), 1297 states have call successors, (1297) [2022-07-14 00:24:15,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 8980 transitions. [2022-07-14 00:24:15,656 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 8980 transitions. Word has length 116 [2022-07-14 00:24:15,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:24:15,658 INFO L495 AbstractCegarLoop]: Abstraction has 6295 states and 8980 transitions. [2022-07-14 00:24:15,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-14 00:24:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 8980 transitions. [2022-07-14 00:24:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-14 00:24:15,665 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:24:15,665 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:24:15,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 00:24:15,666 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:24:15,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:24:15,666 INFO L85 PathProgramCache]: Analyzing trace with hash -521841426, now seen corresponding path program 1 times [2022-07-14 00:24:15,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:24:15,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958170468] [2022-07-14 00:24:15,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:24:15,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:24:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:24:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:15,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:24:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:15,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 00:24:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:15,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:24:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:15,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 00:24:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 00:24:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:15,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:24:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:16,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-14 00:24:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:16,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-14 00:24:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:16,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 00:24:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 00:24:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-14 00:24:16,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:24:16,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958170468] [2022-07-14 00:24:16,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958170468] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:24:16,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:24:16,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:24:16,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936302612] [2022-07-14 00:24:16,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:24:16,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:24:16,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:24:16,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:24:16,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:24:16,026 INFO L87 Difference]: Start difference. First operand 6295 states and 8980 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-14 00:24:18,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:24,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:26,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:29,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:24:29,598 INFO L93 Difference]: Finished difference Result 19777 states and 28634 transitions. [2022-07-14 00:24:29,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:24:29,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2022-07-14 00:24:29,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:24:29,659 INFO L225 Difference]: With dead ends: 19777 [2022-07-14 00:24:29,659 INFO L226 Difference]: Without dead ends: 13505 [2022-07-14 00:24:29,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:24:29,677 INFO L413 NwaCegarLoop]: 3798 mSDtfsCounter, 4814 mSDsluCounter, 5506 mSDsCounter, 0 mSdLazyCounter, 4173 mSolverCounterSat, 2452 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5174 SdHoareTripleChecker+Valid, 9304 SdHoareTripleChecker+Invalid, 6626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2452 IncrementalHoareTripleChecker+Valid, 4173 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:24:29,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5174 Valid, 9304 Invalid, 6626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2452 Valid, 4173 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2022-07-14 00:24:29,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13505 states. [2022-07-14 00:24:30,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13505 to 12120. [2022-07-14 00:24:30,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12120 states, 8996 states have (on average 1.3664962205424633) internal successors, (12293), 9228 states have internal predecessors, (12293), 2498 states have call successors, (2498), 626 states have call predecessors, (2498), 625 states have return successors, (2497), 2407 states have call predecessors, (2497), 2497 states have call successors, (2497) [2022-07-14 00:24:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12120 states to 12120 states and 17288 transitions. [2022-07-14 00:24:30,337 INFO L78 Accepts]: Start accepts. Automaton has 12120 states and 17288 transitions. Word has length 116 [2022-07-14 00:24:30,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:24:30,338 INFO L495 AbstractCegarLoop]: Abstraction has 12120 states and 17288 transitions. [2022-07-14 00:24:30,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-14 00:24:30,338 INFO L276 IsEmpty]: Start isEmpty. Operand 12120 states and 17288 transitions. [2022-07-14 00:24:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-14 00:24:30,347 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:24:30,347 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:24:30,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 00:24:30,348 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:24:30,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:24:30,348 INFO L85 PathProgramCache]: Analyzing trace with hash -444940628, now seen corresponding path program 1 times [2022-07-14 00:24:30,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:24:30,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835474568] [2022-07-14 00:24:30,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:24:30,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:24:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:24:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:24:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 00:24:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:24:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 00:24:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 00:24:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:24:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-14 00:24:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-14 00:24:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 00:24:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 00:24:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:30,706 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-14 00:24:30,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:24:30,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835474568] [2022-07-14 00:24:30,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835474568] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:24:30,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:24:30,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:24:30,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635404857] [2022-07-14 00:24:30,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:24:30,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:24:30,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:24:30,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:24:30,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:24:30,709 INFO L87 Difference]: Start difference. First operand 12120 states and 17288 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-14 00:24:33,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:39,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:41,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:24:41,608 INFO L93 Difference]: Finished difference Result 25599 states and 36936 transitions. [2022-07-14 00:24:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:24:41,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2022-07-14 00:24:41,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:24:41,674 INFO L225 Difference]: With dead ends: 25599 [2022-07-14 00:24:41,674 INFO L226 Difference]: Without dead ends: 13502 [2022-07-14 00:24:41,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:24:41,716 INFO L413 NwaCegarLoop]: 3218 mSDtfsCounter, 4161 mSDsluCounter, 2865 mSDsCounter, 0 mSdLazyCounter, 2178 mSolverCounterSat, 1437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4535 SdHoareTripleChecker+Valid, 6083 SdHoareTripleChecker+Invalid, 3615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1437 IncrementalHoareTripleChecker+Valid, 2178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:24:41,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4535 Valid, 6083 Invalid, 3615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1437 Valid, 2178 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-07-14 00:24:41,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13502 states. [2022-07-14 00:24:42,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13502 to 12120. [2022-07-14 00:24:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12120 states, 8996 states have (on average 1.365606936416185) internal successors, (12285), 9228 states have internal predecessors, (12285), 2498 states have call successors, (2498), 626 states have call predecessors, (2498), 625 states have return successors, (2497), 2407 states have call predecessors, (2497), 2497 states have call successors, (2497) [2022-07-14 00:24:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12120 states to 12120 states and 17280 transitions. [2022-07-14 00:24:42,433 INFO L78 Accepts]: Start accepts. Automaton has 12120 states and 17280 transitions. Word has length 116 [2022-07-14 00:24:42,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:24:42,434 INFO L495 AbstractCegarLoop]: Abstraction has 12120 states and 17280 transitions. [2022-07-14 00:24:42,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-14 00:24:42,434 INFO L276 IsEmpty]: Start isEmpty. Operand 12120 states and 17280 transitions. [2022-07-14 00:24:42,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-14 00:24:42,448 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:24:42,448 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:24:42,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 00:24:42,449 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:24:42,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:24:42,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1463517162, now seen corresponding path program 1 times [2022-07-14 00:24:42,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:24:42,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44639754] [2022-07-14 00:24:42,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:24:42,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:24:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:24:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:24:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 00:24:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:24:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 00:24:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 00:24:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:24:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-14 00:24:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-14 00:24:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 00:24:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 00:24:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:24:42,939 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-14 00:24:42,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:24:42,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44639754] [2022-07-14 00:24:42,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44639754] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:24:42,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:24:42,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 00:24:42,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513054092] [2022-07-14 00:24:42,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:24:42,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:24:42,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:24:42,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:24:42,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:24:42,941 INFO L87 Difference]: Start difference. First operand 12120 states and 17280 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-14 00:24:46,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:47,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:49,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:51,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:53,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:55,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:25:04,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:25:06,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:25:11,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:25:11,337 INFO L93 Difference]: Finished difference Result 38452 states and 55646 transitions. [2022-07-14 00:25:11,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:25:11,337 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2022-07-14 00:25:11,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:25:11,474 INFO L225 Difference]: With dead ends: 38452 [2022-07-14 00:25:11,474 INFO L226 Difference]: Without dead ends: 26355 [2022-07-14 00:25:11,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2022-07-14 00:25:11,523 INFO L413 NwaCegarLoop]: 5330 mSDtfsCounter, 7537 mSDsluCounter, 10392 mSDsCounter, 0 mSdLazyCounter, 7151 mSolverCounterSat, 3694 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7917 SdHoareTripleChecker+Valid, 15722 SdHoareTripleChecker+Invalid, 10848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3694 IncrementalHoareTripleChecker+Valid, 7151 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:25:11,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7917 Valid, 15722 Invalid, 10848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3694 Valid, 7151 Invalid, 3 Unknown, 0 Unchecked, 27.3s Time] [2022-07-14 00:25:11,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26355 states. [2022-07-14 00:25:12,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26355 to 23602. [2022-07-14 00:25:12,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23602 states, 17476 states have (on average 1.3650148775463493) internal successors, (23855), 17936 states have internal predecessors, (23855), 4888 states have call successors, (4888), 1238 states have call predecessors, (4888), 1237 states have return successors, (4887), 4709 states have call predecessors, (4887), 4887 states have call successors, (4887) [2022-07-14 00:25:12,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23602 states to 23602 states and 33630 transitions. [2022-07-14 00:25:12,954 INFO L78 Accepts]: Start accepts. Automaton has 23602 states and 33630 transitions. Word has length 116 [2022-07-14 00:25:12,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:25:12,955 INFO L495 AbstractCegarLoop]: Abstraction has 23602 states and 33630 transitions. [2022-07-14 00:25:12,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-14 00:25:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 23602 states and 33630 transitions. [2022-07-14 00:25:12,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-14 00:25:12,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:25:12,965 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:25:12,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 00:25:12,965 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:25:12,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:25:12,966 INFO L85 PathProgramCache]: Analyzing trace with hash 321014696, now seen corresponding path program 1 times [2022-07-14 00:25:12,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:25:12,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859333312] [2022-07-14 00:25:12,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:25:12,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:25:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:25:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:25:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 00:25:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:25:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 00:25:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 00:25:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:25:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-14 00:25:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-14 00:25:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 00:25:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 00:25:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:25:13,387 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-14 00:25:13,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:25:13,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859333312] [2022-07-14 00:25:13,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859333312] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:25:13,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:25:13,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:25:13,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610119777] [2022-07-14 00:25:13,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:25:13,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:25:13,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:25:13,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:25:13,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:25:13,389 INFO L87 Difference]: Start difference. First operand 23602 states and 33630 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-14 00:25:16,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:25:17,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:25:24,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:25:24,980 INFO L93 Difference]: Finished difference Result 27719 states and 40018 transitions. [2022-07-14 00:25:24,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:25:24,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 116 [2022-07-14 00:25:24,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:25:24,982 INFO L225 Difference]: With dead ends: 27719 [2022-07-14 00:25:24,982 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 00:25:25,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:25:25,031 INFO L413 NwaCegarLoop]: 3345 mSDtfsCounter, 3085 mSDsluCounter, 3871 mSDsCounter, 0 mSdLazyCounter, 2707 mSolverCounterSat, 1370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 7216 SdHoareTripleChecker+Invalid, 4077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1370 IncrementalHoareTripleChecker+Valid, 2707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:25:25,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 7216 Invalid, 4077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1370 Valid, 2707 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-07-14 00:25:25,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 00:25:25,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 00:25:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 00:25:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 00:25:25,035 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2022-07-14 00:25:25,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:25:25,035 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 00:25:25,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-14 00:25:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 00:25:25,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 00:25:25,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-14 00:25:25,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 00:25:25,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.