./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.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 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:20:36,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:20:36,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:20:36,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:20:36,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:20:36,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:20:36,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:20:36,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:20:36,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:20:36,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:20:36,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:20:36,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:20:36,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:20:36,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:20:36,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:20:36,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:20:36,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:20:36,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:20:36,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:20:36,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:20:36,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:20:36,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:20:36,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:20:36,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:20:36,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:20:36,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:20:36,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:20:36,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:20:36,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:20:36,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:20:36,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:20:36,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:20:36,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:20:36,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:20:36,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:20:36,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:20:36,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:20:36,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:20:36,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:20:36,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:20:36,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:20:36,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:20:36,947 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:20:36,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:20:36,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:20:36,948 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:20:36,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:20:36,949 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:20:36,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:20:36,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:20:36,950 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:20:36,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:20:36,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:20:36,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:20:36,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:20:36,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:20:36,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:20:36,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:20:36,951 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:20:36,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:20:36,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:20:36,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:20:36,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:20:36,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:20:36,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:20:36,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:20:36,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:20:36,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:20:36,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:20:36,954 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:20:36,954 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:20:36,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:20:36,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:20:36,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2021-12-14 18:20:37,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:20:37,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:20:37,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:20:37,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:20:37,296 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:20:37,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-14 18:20:37,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13074bd63/2343f48735224d00925f66634f3f5366/FLAG45ab7ab98 [2021-12-14 18:20:38,167 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:20:38,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-14 18:20:38,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13074bd63/2343f48735224d00925f66634f3f5366/FLAG45ab7ab98 [2021-12-14 18:20:38,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13074bd63/2343f48735224d00925f66634f3f5366 [2021-12-14 18:20:38,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:20:38,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:20:38,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:20:38,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:20:38,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:20:38,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:20:38" (1/1) ... [2021-12-14 18:20:38,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c20cddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:38, skipping insertion in model container [2021-12-14 18:20:38,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:20:38" (1/1) ... [2021-12-14 18:20:38,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:20:38,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:20:41,416 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2021-12-14 18:20:41,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:20:41,543 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:20:41,833 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2021-12-14 18:20:41,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:20:41,977 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:20:41,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41 WrapperNode [2021-12-14 18:20:41,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:20:41,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:20:41,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:20:41,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:20:41,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41" (1/1) ... [2021-12-14 18:20:42,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41" (1/1) ... [2021-12-14 18:20:42,303 INFO L137 Inliner]: procedures = 526, calls = 6245, calls flagged for inlining = 183, calls inlined = 161, statements flattened = 7554 [2021-12-14 18:20:42,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:20:42,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:20:42,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:20:42,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:20:42,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41" (1/1) ... [2021-12-14 18:20:42,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41" (1/1) ... [2021-12-14 18:20:42,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41" (1/1) ... [2021-12-14 18:20:42,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41" (1/1) ... [2021-12-14 18:20:42,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41" (1/1) ... [2021-12-14 18:20:42,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41" (1/1) ... [2021-12-14 18:20:42,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41" (1/1) ... [2021-12-14 18:20:42,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:20:42,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:20:42,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:20:42,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:20:42,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41" (1/1) ... [2021-12-14 18:20:42,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:20:42,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:20:42,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:20:42,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:20:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-14 18:20:42,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-14 18:20:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-14 18:20:42,778 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-14 18:20:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2021-12-14 18:20:42,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2021-12-14 18:20:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-14 18:20:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:20:42,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:20:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:20:42,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:20:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-14 18:20:42,779 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-14 18:20:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:20:42,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:20:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:20:42,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:20:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:20:42,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:20:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-14 18:20:42,780 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-14 18:20:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-14 18:20:42,780 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-14 18:20:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:20:42,780 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:20:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 18:20:42,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 18:20:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-14 18:20:42,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-14 18:20:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-14 18:20:42,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-14 18:20:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-14 18:20:42,781 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-14 18:20:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:20:42,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:20:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:20:42,782 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:20:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:20:42,782 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:20:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-14 18:20:42,782 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-14 18:20:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:20:42,782 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:20:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:20:42,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:20:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:20:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:20:42,783 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:20:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:20:42,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:20:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-14 18:20:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-14 18:20:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-14 18:20:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-14 18:20:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:20:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:20:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:20:42,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:20:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:20:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-14 18:20:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-14 18:20:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:20:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:20:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-14 18:20:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-14 18:20:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:20:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:20:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:20:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:20:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:20:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:20:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:20:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:20:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2021-12-14 18:20:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2021-12-14 18:20:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2021-12-14 18:20:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2021-12-14 18:20:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:20:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:20:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:20:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:20:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:20:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-14 18:20:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:20:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:20:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:20:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:20:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:20:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:20:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:20:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 18:20:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 18:20:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 18:20:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 18:20:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-14 18:20:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-14 18:20:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 18:20:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 18:20:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 18:20:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 18:20:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2021-12-14 18:20:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2021-12-14 18:20:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-14 18:20:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-14 18:20:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-14 18:20:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-14 18:20:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:20:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:20:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 18:20:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 18:20:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-14 18:20:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-14 18:20:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-14 18:20:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-14 18:20:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:20:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:20:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:20:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:20:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:20:42,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:20:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 18:20:42,797 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 18:20:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:20:42,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:20:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 18:20:42,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 18:20:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-14 18:20:42,799 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-14 18:20:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-14 18:20:42,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-14 18:20:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:20:42,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:20:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:20:42,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:20:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:20:42,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:20:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:20:42,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:20:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:20:42,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:20:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:20:42,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:20:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-14 18:20:42,805 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-14 18:20:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:20:42,805 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:20:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-14 18:20:42,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-14 18:20:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:20:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:20:42,806 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:20:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-14 18:20:42,806 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-14 18:20:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:20:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:20:42,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:20:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-14 18:20:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-14 18:20:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-14 18:20:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-14 18:20:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:20:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-14 18:20:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-14 18:20:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 18:20:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 18:20:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:20:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:20:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-14 18:20:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-14 18:20:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 18:20:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 18:20:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:20:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:20:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-14 18:20:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-14 18:20:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-14 18:20:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-14 18:20:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:20:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:20:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-14 18:20:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-14 18:20:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-14 18:20:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-14 18:20:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-14 18:20:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-14 18:20:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 18:20:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 18:20:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___1 [2021-12-14 18:20:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___1 [2021-12-14 18:20:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:20:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:20:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-14 18:20:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-14 18:20:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-14 18:20:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-14 18:20:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:20:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:20:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-14 18:20:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-14 18:20:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:20:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-14 18:20:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-14 18:20:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-14 18:20:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-14 18:20:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:20:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:20:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-14 18:20:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-14 18:20:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-14 18:20:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-14 18:20:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:20:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:20:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 18:20:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 18:20:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 18:20:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 18:20:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-14 18:20:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-14 18:20:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-14 18:20:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-14 18:20:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 18:20:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 18:20:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2021-12-14 18:20:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2021-12-14 18:20:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:20:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:20:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-14 18:20:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-14 18:20:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-14 18:20:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-14 18:20:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2021-12-14 18:20:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2021-12-14 18:20:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:20:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:20:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:20:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:20:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:20:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-14 18:20:42,815 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-14 18:20:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-14 18:20:42,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-14 18:20:43,653 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:20:43,655 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:20:44,017 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:20:48,684 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:20:48,695 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:20:48,695 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:20:48,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:20:48 BoogieIcfgContainer [2021-12-14 18:20:48,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:20:48,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:20:48,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:20:48,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:20:48,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:20:38" (1/3) ... [2021-12-14 18:20:48,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d302a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:20:48, skipping insertion in model container [2021-12-14 18:20:48,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:20:41" (2/3) ... [2021-12-14 18:20:48,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d302a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:20:48, skipping insertion in model container [2021-12-14 18:20:48,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:20:48" (3/3) ... [2021-12-14 18:20:48,703 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-14 18:20:48,706 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:20:48,706 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:20:48,738 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:20:48,742 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:20:48,743 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:20:48,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-14 18:20:48,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-14 18:20:48,805 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:20:48,806 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:20:48,807 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:20:48,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:20:48,811 INFO L85 PathProgramCache]: Analyzing trace with hash -363408964, now seen corresponding path program 1 times [2021-12-14 18:20:48,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:20:48,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497661114] [2021-12-14 18:20:48,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:20:48,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:20:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:20:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:20:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:20:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 18:20:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:20:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:20:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:20:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:20:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 18:20:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:20:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:20:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 18:20:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:20:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 18:20:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-14 18:20:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 18:20:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-14 18:20:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-14 18:20:49,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:20:49,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497661114] [2021-12-14 18:20:49,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497661114] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:20:49,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:20:49,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:20:49,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808476882] [2021-12-14 18:20:49,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:20:49,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:20:49,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:20:49,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:20:49,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:20:49,794 INFO L87 Difference]: Start difference. First operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 18:20:53,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:20:53,168 INFO L93 Difference]: Finished difference Result 4052 states and 5859 transitions. [2021-12-14 18:20:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:20:53,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2021-12-14 18:20:53,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:20:53,189 INFO L225 Difference]: With dead ends: 4052 [2021-12-14 18:20:53,189 INFO L226 Difference]: Without dead ends: 2113 [2021-12-14 18:20:53,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:20:53,207 INFO L933 BasicCegarLoop]: 2415 mSDtfsCounter, 2683 mSDsluCounter, 1868 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 2547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2809 SdHoareTripleChecker+Valid, 4283 SdHoareTripleChecker+Invalid, 4030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2547 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:20:53,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2809 Valid, 4283 Invalid, 4030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2547 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-14 18:20:53,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2021-12-14 18:20:53,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 1843. [2021-12-14 18:20:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1282 states have (on average 1.2870514820592824) internal successors, (1650), 1302 states have internal predecessors, (1650), 451 states have call successors, (451), 110 states have call predecessors, (451), 109 states have return successors, (450), 447 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 18:20:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2551 transitions. [2021-12-14 18:20:53,415 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2551 transitions. Word has length 119 [2021-12-14 18:20:53,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:20:53,416 INFO L470 AbstractCegarLoop]: Abstraction has 1843 states and 2551 transitions. [2021-12-14 18:20:53,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 18:20:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2551 transitions. [2021-12-14 18:20:53,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-14 18:20:53,421 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:20:53,421 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:20:53,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:20:53,422 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:20:53,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:20:53,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1015622410, now seen corresponding path program 1 times [2021-12-14 18:20:53,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:20:53,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405062875] [2021-12-14 18:20:53,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:20:53,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:20:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:20:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:20:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:20:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 18:20:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:20:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:20:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:20:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:20:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 18:20:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:20:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:20:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 18:20:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:20:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 18:20:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-14 18:20:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 18:20:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-14 18:20:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:20:53,897 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-14 18:20:53,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:20:53,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405062875] [2021-12-14 18:20:53,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405062875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:20:53,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:20:53,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:20:53,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721352257] [2021-12-14 18:20:53,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:20:53,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:20:53,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:20:53,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:20:53,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:20:53,900 INFO L87 Difference]: Start difference. First operand 1843 states and 2551 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 18:21:01,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:21:01,563 INFO L93 Difference]: Finished difference Result 5666 states and 8000 transitions. [2021-12-14 18:21:01,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 18:21:01,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2021-12-14 18:21:01,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:21:01,585 INFO L225 Difference]: With dead ends: 5666 [2021-12-14 18:21:01,586 INFO L226 Difference]: Without dead ends: 3833 [2021-12-14 18:21:01,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-12-14 18:21:01,597 INFO L933 BasicCegarLoop]: 2696 mSDtfsCounter, 5179 mSDsluCounter, 4523 mSDsCounter, 0 mSdLazyCounter, 4277 mSolverCounterSat, 3876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5540 SdHoareTripleChecker+Valid, 7219 SdHoareTripleChecker+Invalid, 8153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3876 IncrementalHoareTripleChecker+Valid, 4277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:21:01,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5540 Valid, 7219 Invalid, 8153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3876 Valid, 4277 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-12-14 18:21:01,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2021-12-14 18:21:01,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3328. [2021-12-14 18:21:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3328 states, 2314 states have (on average 1.2830596369922214) internal successors, (2969), 2354 states have internal predecessors, (2969), 807 states have call successors, (807), 208 states have call predecessors, (807), 206 states have return successors, (806), 795 states have call predecessors, (806), 806 states have call successors, (806) [2021-12-14 18:21:01,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 4582 transitions. [2021-12-14 18:21:01,740 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 4582 transitions. Word has length 119 [2021-12-14 18:21:01,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:21:01,742 INFO L470 AbstractCegarLoop]: Abstraction has 3328 states and 4582 transitions. [2021-12-14 18:21:01,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 18:21:01,742 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 4582 transitions. [2021-12-14 18:21:01,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-12-14 18:21:01,751 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:21:01,752 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:21:01,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:21:01,752 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:21:01,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:21:01,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1873490133, now seen corresponding path program 1 times [2021-12-14 18:21:01,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:21:01,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980136283] [2021-12-14 18:21:01,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:21:01,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:21:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:21:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 18:21:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:21:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 18:21:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 18:21:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:21:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-14 18:21:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 18:21:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 18:21:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 18:21:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 18:21:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-14 18:21:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:21:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-14 18:21:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-14 18:21:02,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:21:02,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980136283] [2021-12-14 18:21:02,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980136283] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:21:02,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:21:02,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 18:21:02,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183812830] [2021-12-14 18:21:02,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:21:02,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 18:21:02,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:21:02,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 18:21:02,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:21:02,441 INFO L87 Difference]: Start difference. First operand 3328 states and 4582 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-14 18:21:13,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:21:13,910 INFO L93 Difference]: Finished difference Result 10903 states and 15412 transitions. [2021-12-14 18:21:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-14 18:21:13,910 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 152 [2021-12-14 18:21:13,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:21:13,951 INFO L225 Difference]: With dead ends: 10903 [2021-12-14 18:21:13,951 INFO L226 Difference]: Without dead ends: 7590 [2021-12-14 18:21:13,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2021-12-14 18:21:13,971 INFO L933 BasicCegarLoop]: 3243 mSDtfsCounter, 5439 mSDsluCounter, 11468 mSDsCounter, 0 mSdLazyCounter, 8827 mSolverCounterSat, 3888 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5871 SdHoareTripleChecker+Valid, 14711 SdHoareTripleChecker+Invalid, 12715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3888 IncrementalHoareTripleChecker+Valid, 8827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:21:13,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5871 Valid, 14711 Invalid, 12715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3888 Valid, 8827 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2021-12-14 18:21:13,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7590 states. [2021-12-14 18:21:14,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7590 to 6632. [2021-12-14 18:21:14,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6632 states, 4608 states have (on average 1.2823350694444444) internal successors, (5909), 4696 states have internal predecessors, (5909), 1610 states have call successors, (1610), 416 states have call predecessors, (1610), 413 states have return successors, (1617), 1579 states have call predecessors, (1617), 1609 states have call successors, (1617) [2021-12-14 18:21:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6632 states to 6632 states and 9136 transitions. [2021-12-14 18:21:14,162 INFO L78 Accepts]: Start accepts. Automaton has 6632 states and 9136 transitions. Word has length 152 [2021-12-14 18:21:14,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:21:14,163 INFO L470 AbstractCegarLoop]: Abstraction has 6632 states and 9136 transitions. [2021-12-14 18:21:14,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-14 18:21:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 6632 states and 9136 transitions. [2021-12-14 18:21:14,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-14 18:21:14,169 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:21:14,169 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:21:14,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:21:14,169 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:21:14,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:21:14,170 INFO L85 PathProgramCache]: Analyzing trace with hash -2069342834, now seen corresponding path program 1 times [2021-12-14 18:21:14,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:21:14,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012490834] [2021-12-14 18:21:14,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:21:14,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:21:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:21:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 18:21:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-14 18:21:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 18:21:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 18:21:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 18:21:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 18:21:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:21:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 18:21:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 18:21:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 18:21:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-14 18:21:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-14 18:21:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-14 18:21:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:14,623 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-14 18:21:14,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:21:14,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012490834] [2021-12-14 18:21:14,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012490834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:21:14,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:21:14,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 18:21:14,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258274665] [2021-12-14 18:21:14,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:21:14,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 18:21:14,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:21:14,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 18:21:14,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:21:14,625 INFO L87 Difference]: Start difference. First operand 6632 states and 9136 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-14 18:21:23,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:21:23,273 INFO L93 Difference]: Finished difference Result 21775 states and 30784 transitions. [2021-12-14 18:21:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-14 18:21:23,287 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 154 [2021-12-14 18:21:23,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:21:23,417 INFO L225 Difference]: With dead ends: 21775 [2021-12-14 18:21:23,418 INFO L226 Difference]: Without dead ends: 15158 [2021-12-14 18:21:23,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2021-12-14 18:21:23,595 INFO L933 BasicCegarLoop]: 2605 mSDtfsCounter, 7106 mSDsluCounter, 7725 mSDsCounter, 0 mSdLazyCounter, 5730 mSolverCounterSat, 5699 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7533 SdHoareTripleChecker+Valid, 10330 SdHoareTripleChecker+Invalid, 11429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5699 IncrementalHoareTripleChecker+Valid, 5730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:21:23,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7533 Valid, 10330 Invalid, 11429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5699 Valid, 5730 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2021-12-14 18:21:23,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15158 states. [2021-12-14 18:21:23,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15158 to 13252. [2021-12-14 18:21:23,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13252 states, 9210 states have (on average 1.2818675352877307) internal successors, (11806), 9384 states have internal predecessors, (11806), 3214 states have call successors, (3214), 832 states have call predecessors, (3214), 827 states have return successors, (3245), 3155 states have call predecessors, (3245), 3213 states have call successors, (3245) [2021-12-14 18:21:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13252 states to 13252 states and 18265 transitions. [2021-12-14 18:21:24,021 INFO L78 Accepts]: Start accepts. Automaton has 13252 states and 18265 transitions. Word has length 154 [2021-12-14 18:21:24,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:21:24,022 INFO L470 AbstractCegarLoop]: Abstraction has 13252 states and 18265 transitions. [2021-12-14 18:21:24,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-14 18:21:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 13252 states and 18265 transitions. [2021-12-14 18:21:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-14 18:21:24,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:21:24,029 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:21:24,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:21:24,029 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:21:24,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:21:24,030 INFO L85 PathProgramCache]: Analyzing trace with hash 194742602, now seen corresponding path program 1 times [2021-12-14 18:21:24,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:21:24,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336269060] [2021-12-14 18:21:24,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:21:24,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:21:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:21:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 18:21:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-14 18:21:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 18:21:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 18:21:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 18:21:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 18:21:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 18:21:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 18:21:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 18:21:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 18:21:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-14 18:21:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-14 18:21:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 18:21:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:24,507 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-14 18:21:24,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:21:24,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336269060] [2021-12-14 18:21:24,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336269060] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:21:24,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:21:24,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 18:21:24,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254592994] [2021-12-14 18:21:24,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:21:24,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 18:21:24,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:21:24,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 18:21:24,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:21:24,509 INFO L87 Difference]: Start difference. First operand 13252 states and 18265 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-14 18:21:35,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:21:35,642 INFO L93 Difference]: Finished difference Result 43539 states and 61555 transitions. [2021-12-14 18:21:35,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-14 18:21:35,643 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 153 [2021-12-14 18:21:35,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:21:35,809 INFO L225 Difference]: With dead ends: 43539 [2021-12-14 18:21:35,810 INFO L226 Difference]: Without dead ends: 30302 [2021-12-14 18:21:35,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2021-12-14 18:21:35,857 INFO L933 BasicCegarLoop]: 2617 mSDtfsCounter, 5979 mSDsluCounter, 9540 mSDsCounter, 0 mSdLazyCounter, 8051 mSolverCounterSat, 4440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6413 SdHoareTripleChecker+Valid, 12157 SdHoareTripleChecker+Invalid, 12491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4440 IncrementalHoareTripleChecker+Valid, 8051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:21:35,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6413 Valid, 12157 Invalid, 12491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4440 Valid, 8051 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2021-12-14 18:21:35,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30302 states. [2021-12-14 18:21:36,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30302 to 26496. [2021-12-14 18:21:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26496 states, 18418 states have (on average 1.281246606580519) internal successors, (23598), 18762 states have internal predecessors, (23598), 6420 states have call successors, (6420), 1666 states have call predecessors, (6420), 1657 states have return successors, (6515), 6307 states have call predecessors, (6515), 6419 states have call successors, (6515) [2021-12-14 18:21:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26496 states to 26496 states and 36533 transitions. [2021-12-14 18:21:36,821 INFO L78 Accepts]: Start accepts. Automaton has 26496 states and 36533 transitions. Word has length 153 [2021-12-14 18:21:36,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:21:36,822 INFO L470 AbstractCegarLoop]: Abstraction has 26496 states and 36533 transitions. [2021-12-14 18:21:36,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-14 18:21:36,822 INFO L276 IsEmpty]: Start isEmpty. Operand 26496 states and 36533 transitions. [2021-12-14 18:21:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-12-14 18:21:36,972 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:21:36,972 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:21:36,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:21:36,973 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:21:36,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:21:36,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1196338099, now seen corresponding path program 1 times [2021-12-14 18:21:36,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:21:36,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861568160] [2021-12-14 18:21:36,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:21:36,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:21:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:21:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:21:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 18:21:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:21:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:21:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 18:21:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:21:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-14 18:21:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 18:21:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 18:21:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:21:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:21:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 18:21:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 18:21:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 18:21:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-14 18:21:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:21:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-14 18:21:37,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:21:37,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861568160] [2021-12-14 18:21:37,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861568160] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:21:37,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:21:37,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 18:21:37,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965122802] [2021-12-14 18:21:37,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:21:37,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 18:21:37,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:21:37,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 18:21:37,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:21:37,568 INFO L87 Difference]: Start difference. First operand 26496 states and 36533 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)