./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a085124b4007f801fe01aa89940f8a8fd2be0f47b82fa59b5624e0bb2a9cdb0a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:31:30,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:31:30,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:31:30,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:31:30,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:31:30,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:31:30,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:31:30,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:31:30,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:31:30,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:31:30,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:31:30,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:31:30,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:31:30,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:31:30,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:31:30,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:31:30,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:31:30,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:31:30,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:31:30,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:31:30,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:31:30,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:31:30,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:31:30,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:31:30,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:31:30,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:31:30,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:31:30,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:31:30,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:31:30,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:31:30,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:31:30,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:31:30,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:31:30,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:31:30,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:31:30,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:31:30,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:31:30,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:31:30,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:31:30,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:31:30,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:31:30,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:31:30,213 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:31:30,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:31:30,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:31:30,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:31:30,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:31:30,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:31:30,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:31:30,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:31:30,215 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:31:30,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:31:30,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:31:30,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:31:30,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:31:30,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:31:30,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:31:30,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:31:30,217 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:31:30,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:31:30,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:31:30,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:31:30,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:31:30,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:31:30,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:31:30,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:31:30,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:31:30,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:31:30,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:31:30,219 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:31:30,219 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:31:30,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:31:30,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:31:30,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a085124b4007f801fe01aa89940f8a8fd2be0f47b82fa59b5624e0bb2a9cdb0a [2021-12-21 17:31:30,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:31:30,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:31:30,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:31:30,443 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:31:30,443 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:31:30,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2021-12-21 17:31:30,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba0a95cd/5cbe06bece184c86be0e148ba0cea9c2/FLAG5f9530333 [2021-12-21 17:31:31,180 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:31:31,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2021-12-21 17:31:31,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba0a95cd/5cbe06bece184c86be0e148ba0cea9c2/FLAG5f9530333 [2021-12-21 17:31:31,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba0a95cd/5cbe06bece184c86be0e148ba0cea9c2 [2021-12-21 17:31:31,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:31:31,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:31:31,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:31:31,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:31:31,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:31:31,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:31:31" (1/1) ... [2021-12-21 17:31:31,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ad7d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:31, skipping insertion in model container [2021-12-21 17:31:31,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:31:31" (1/1) ... [2021-12-21 17:31:31,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:31:31,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:31:33,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2021-12-21 17:31:33,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:31:33,507 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:31:33,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2021-12-21 17:31:33,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:31:33,950 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:31:33,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33 WrapperNode [2021-12-21 17:31:33,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:31:33,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:31:33,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:31:33,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:31:33,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33" (1/1) ... [2021-12-21 17:31:34,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33" (1/1) ... [2021-12-21 17:31:34,161 INFO L137 Inliner]: procedures = 396, calls = 1842, calls flagged for inlining = 235, calls inlined = 222, statements flattened = 5330 [2021-12-21 17:31:34,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:31:34,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:31:34,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:31:34,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:31:34,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33" (1/1) ... [2021-12-21 17:31:34,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33" (1/1) ... [2021-12-21 17:31:34,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33" (1/1) ... [2021-12-21 17:31:34,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33" (1/1) ... [2021-12-21 17:31:34,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33" (1/1) ... [2021-12-21 17:31:34,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33" (1/1) ... [2021-12-21 17:31:34,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33" (1/1) ... [2021-12-21 17:31:34,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:31:34,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:31:34,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:31:34,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:31:34,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33" (1/1) ... [2021-12-21 17:31:34,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:31:34,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:31:34,390 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) [2021-12-21 17:31:34,408 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 [2021-12-21 17:31:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:31:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:31:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:31:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:31:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-21 17:31:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-21 17:31:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 17:31:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 17:31:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2021-12-21 17:31:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2021-12-21 17:31:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2021-12-21 17:31:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2021-12-21 17:31:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 17:31:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 17:31:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2021-12-21 17:31:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2021-12-21 17:31:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2021-12-21 17:31:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2021-12-21 17:31:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:31:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:31:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 17:31:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 17:31:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 17:31:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 17:31:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 17:31:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 17:31:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:31:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:31:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 17:31:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 17:31:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2021-12-21 17:31:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2021-12-21 17:31:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2021-12-21 17:31:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2021-12-21 17:31:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2021-12-21 17:31:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2021-12-21 17:31:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-21 17:31:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-21 17:31:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:31:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 17:31:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 17:31:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2021-12-21 17:31:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2021-12-21 17:31:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2021-12-21 17:31:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2021-12-21 17:31:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:31:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:31:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:31:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-21 17:31:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-21 17:31:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 17:31:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 17:31:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2021-12-21 17:31:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2021-12-21 17:31:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:31:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:31:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:31:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2021-12-21 17:31:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2021-12-21 17:31:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:31:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:31:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:31:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-21 17:31:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-21 17:31:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:31:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:31:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2021-12-21 17:31:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2021-12-21 17:31:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2021-12-21 17:31:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2021-12-21 17:31:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2021-12-21 17:31:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2021-12-21 17:31:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2021-12-21 17:31:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2021-12-21 17:31:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:31:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:31:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 17:31:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 17:31:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:31:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:31:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 17:31:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 17:31:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:31:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:31:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:31:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-21 17:31:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-21 17:31:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:31:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:31:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2021-12-21 17:31:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2021-12-21 17:31:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2021-12-21 17:31:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2021-12-21 17:31:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-21 17:31:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-21 17:31:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:31:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:31:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:31:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:31:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2021-12-21 17:31:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2021-12-21 17:31:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-21 17:31:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-21 17:31:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2021-12-21 17:31:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2021-12-21 17:31:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 17:31:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 17:31:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 17:31:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 17:31:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-21 17:31:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-21 17:31:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:31:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:31:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 17:31:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 17:31:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-21 17:31:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-21 17:31:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2021-12-21 17:31:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2021-12-21 17:31:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 17:31:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 17:31:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-21 17:31:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:31:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2021-12-21 17:31:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2021-12-21 17:31:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-21 17:31:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2021-12-21 17:31:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2021-12-21 17:31:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2021-12-21 17:31:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2021-12-21 17:31:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2021-12-21 17:31:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2021-12-21 17:31:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2021-12-21 17:31:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:31:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 17:31:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-21 17:31:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2021-12-21 17:31:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 17:31:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2021-12-21 17:31:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2021-12-21 17:31:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2021-12-21 17:31:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2021-12-21 17:31:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:31:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 17:31:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 17:31:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2021-12-21 17:31:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2021-12-21 17:31:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:31:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:31:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2021-12-21 17:31:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2021-12-21 17:31:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2021-12-21 17:31:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2021-12-21 17:31:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:31:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:31:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-21 17:31:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-21 17:31:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2021-12-21 17:31:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2021-12-21 17:31:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2021-12-21 17:31:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2021-12-21 17:31:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-21 17:31:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-21 17:31:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2021-12-21 17:31:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2021-12-21 17:31:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:31:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:31:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 17:31:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 17:31:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-21 17:31:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-21 17:31:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-21 17:31:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-21 17:31:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2021-12-21 17:31:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2021-12-21 17:31:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:31:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2021-12-21 17:31:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2021-12-21 17:31:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:31:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:31:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-21 17:31:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-21 17:31:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 17:31:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 17:31:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2021-12-21 17:31:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2021-12-21 17:31:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2021-12-21 17:31:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2021-12-21 17:31:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-12-21 17:31:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-12-21 17:31:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2021-12-21 17:31:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2021-12-21 17:31:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2021-12-21 17:31:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2021-12-21 17:31:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:31:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:31:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2021-12-21 17:31:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2021-12-21 17:31:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-21 17:31:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-21 17:31:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 17:31:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 17:31:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:31:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-12-21 17:31:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-12-21 17:31:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:31:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:31:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-21 17:31:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-21 17:31:35,172 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:31:35,175 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:31:35,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:31:37,382 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:31:37,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:31:37,394 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 17:31:37,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:31:37 BoogieIcfgContainer [2021-12-21 17:31:37,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:31:37,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:31:37,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:31:37,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:31:37,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:31:31" (1/3) ... [2021-12-21 17:31:37,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d86cbfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:31:37, skipping insertion in model container [2021-12-21 17:31:37,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:31:33" (2/3) ... [2021-12-21 17:31:37,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d86cbfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:31:37, skipping insertion in model container [2021-12-21 17:31:37,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:31:37" (3/3) ... [2021-12-21 17:31:37,404 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2021-12-21 17:31:37,408 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:31:37,408 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 17:31:37,445 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:31:37,449 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 [2021-12-21 17:31:37,450 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 17:31:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 2255 states, 1457 states have (on average 1.2409059711736445) internal successors, (1808), 1510 states have internal predecessors, (1808), 691 states have call successors, (691), 108 states have call predecessors, (691), 107 states have return successors, (683), 670 states have call predecessors, (683), 683 states have call successors, (683) [2021-12-21 17:31:37,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-21 17:31:37,494 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:31:37,494 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-12-21 17:31:37,495 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:31:37,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:31:37,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1716660944, now seen corresponding path program 1 times [2021-12-21 17:31:37,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:31:37,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605399574] [2021-12-21 17:31:37,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:31:37,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:31:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:37,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:31:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:31:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:37,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:31:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:37,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:37,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 17:31:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 17:31:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 17:31:37,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:31:37,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605399574] [2021-12-21 17:31:37,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605399574] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:31:37,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:31:37,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 17:31:37,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650302600] [2021-12-21 17:31:37,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:31:37,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 17:31:37,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:31:38,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 17:31:38,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:31:38,015 INFO L87 Difference]: Start difference. First operand has 2255 states, 1457 states have (on average 1.2409059711736445) internal successors, (1808), 1510 states have internal predecessors, (1808), 691 states have call successors, (691), 108 states have call predecessors, (691), 107 states have return successors, (683), 670 states have call predecessors, (683), 683 states have call successors, (683) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-21 17:31:38,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:31:38,277 INFO L93 Difference]: Finished difference Result 4483 states and 6557 transitions. [2021-12-21 17:31:38,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 17:31:38,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-12-21 17:31:38,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:31:38,301 INFO L225 Difference]: With dead ends: 4483 [2021-12-21 17:31:38,301 INFO L226 Difference]: Without dead ends: 2235 [2021-12-21 17:31:38,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 17:31:38,322 INFO L933 BasicCegarLoop]: 3148 mSDtfsCounter, 3137 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3139 SdHoareTripleChecker+Valid, 9441 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 17:31:38,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3139 Valid, 9441 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 17:31:38,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2021-12-21 17:31:38,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2235. [2021-12-21 17:31:38,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2235 states, 1447 states have (on average 1.2246026261230132) internal successors, (1772), 1493 states have internal predecessors, (1772), 681 states have call successors, (681), 108 states have call predecessors, (681), 106 states have return successors, (678), 665 states have call predecessors, (678), 678 states have call successors, (678) [2021-12-21 17:31:38,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 3131 transitions. [2021-12-21 17:31:38,522 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 3131 transitions. Word has length 48 [2021-12-21 17:31:38,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:31:38,523 INFO L470 AbstractCegarLoop]: Abstraction has 2235 states and 3131 transitions. [2021-12-21 17:31:38,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-21 17:31:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 3131 transitions. [2021-12-21 17:31:38,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-21 17:31:38,526 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:31:38,526 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:31:38,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:31:38,527 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:31:38,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:31:38,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1004365355, now seen corresponding path program 1 times [2021-12-21 17:31:38,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:31:38,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131389169] [2021-12-21 17:31:38,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:31:38,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:31:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:31:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:31:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:31:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:38,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 17:31:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:38,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 17:31:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:38,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 17:31:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 17:31:38,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:31:38,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131389169] [2021-12-21 17:31:38,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131389169] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:31:38,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:31:38,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 17:31:38,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308182774] [2021-12-21 17:31:38,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:31:38,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 17:31:38,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:31:38,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 17:31:38,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:31:38,749 INFO L87 Difference]: Start difference. First operand 2235 states and 3131 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 17:31:38,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:31:38,940 INFO L93 Difference]: Finished difference Result 4451 states and 6283 transitions. [2021-12-21 17:31:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:31:38,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2021-12-21 17:31:38,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:31:38,974 INFO L225 Difference]: With dead ends: 4451 [2021-12-21 17:31:38,974 INFO L226 Difference]: Without dead ends: 4352 [2021-12-21 17:31:38,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 17:31:38,982 INFO L933 BasicCegarLoop]: 4738 mSDtfsCounter, 3133 mSDsluCounter, 12592 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3133 SdHoareTripleChecker+Valid, 17330 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 17:31:38,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3133 Valid, 17330 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 17:31:38,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4352 states. [2021-12-21 17:31:39,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4352 to 4352. [2021-12-21 17:31:39,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4352 states, 2817 states have (on average 1.2257720979765707) internal successors, (3453), 2903 states have internal predecessors, (3453), 1323 states have call successors, (1323), 213 states have call predecessors, (1323), 211 states have return successors, (1368), 1296 states have call predecessors, (1368), 1320 states have call successors, (1368) [2021-12-21 17:31:39,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4352 states to 4352 states and 6144 transitions. [2021-12-21 17:31:39,175 INFO L78 Accepts]: Start accepts. Automaton has 4352 states and 6144 transitions. Word has length 53 [2021-12-21 17:31:39,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:31:39,176 INFO L470 AbstractCegarLoop]: Abstraction has 4352 states and 6144 transitions. [2021-12-21 17:31:39,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 17:31:39,176 INFO L276 IsEmpty]: Start isEmpty. Operand 4352 states and 6144 transitions. [2021-12-21 17:31:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2021-12-21 17:31:39,205 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:31:39,206 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:31:39,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:31:39,206 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:31:39,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:31:39,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1165567867, now seen corresponding path program 1 times [2021-12-21 17:31:39,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:31:39,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944489328] [2021-12-21 17:31:39,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:31:39,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:31:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:31:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:31:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:31:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:31:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:31:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 17:31:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:31:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:31:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 17:31:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 17:31:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:31:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:31:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:31:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:31:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:31:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:31:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 17:31:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 17:31:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 17:31:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:31:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:31:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:31:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 17:31:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:31:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-21 17:31:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 17:31:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 17:31:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 17:31:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:31:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:31:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-21 17:31:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:31:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:31:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-21 17:31:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-21 17:31:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 17:31:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:31:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-21 17:31:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-21 17:31:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-21 17:31:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-21 17:31:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-21 17:31:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-21 17:31:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-21 17:31:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-21 17:31:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-21 17:31:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-21 17:31:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2021-12-21 17:31:40,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:31:40,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944489328] [2021-12-21 17:31:40,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944489328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:31:40,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:31:40,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 17:31:40,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513897584] [2021-12-21 17:31:40,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:31:40,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 17:31:40,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:31:40,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 17:31:40,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-12-21 17:31:40,110 INFO L87 Difference]: Start difference. First operand 4352 states and 6144 transitions. Second operand has 12 states, 12 states have (on average 13.333333333333334) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (57), 8 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-12-21 17:31:48,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:31:48,844 INFO L93 Difference]: Finished difference Result 11304 states and 16536 transitions. [2021-12-21 17:31:48,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-21 17:31:48,845 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.333333333333334) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (57), 8 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 421 [2021-12-21 17:31:48,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:31:48,895 INFO L225 Difference]: With dead ends: 11304 [2021-12-21 17:31:48,896 INFO L226 Difference]: Without dead ends: 6967 [2021-12-21 17:31:48,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2021-12-21 17:31:48,928 INFO L933 BasicCegarLoop]: 3163 mSDtfsCounter, 4789 mSDsluCounter, 13728 mSDsCounter, 0 mSdLazyCounter, 8333 mSolverCounterSat, 3491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5419 SdHoareTripleChecker+Valid, 16891 SdHoareTripleChecker+Invalid, 11824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3491 IncrementalHoareTripleChecker+Valid, 8333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-21 17:31:48,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5419 Valid, 16891 Invalid, 11824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3491 Valid, 8333 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2021-12-21 17:31:48,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6967 states. [2021-12-21 17:31:49,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6967 to 5041. [2021-12-21 17:31:49,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5041 states, 3280 states have (on average 1.229878048780488) internal successors, (4034), 3381 states have internal predecessors, (4034), 1543 states have call successors, (1543), 213 states have call predecessors, (1543), 217 states have return successors, (1637), 1515 states have call predecessors, (1637), 1540 states have call successors, (1637) [2021-12-21 17:31:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5041 states to 5041 states and 7214 transitions. [2021-12-21 17:31:49,233 INFO L78 Accepts]: Start accepts. Automaton has 5041 states and 7214 transitions. Word has length 421 [2021-12-21 17:31:49,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:31:49,236 INFO L470 AbstractCegarLoop]: Abstraction has 5041 states and 7214 transitions. [2021-12-21 17:31:49,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.333333333333334) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (57), 8 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-12-21 17:31:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 5041 states and 7214 transitions. [2021-12-21 17:31:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2021-12-21 17:31:49,261 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:31:49,261 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:31:49,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 17:31:49,262 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:31:49,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:31:49,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1503855417, now seen corresponding path program 1 times [2021-12-21 17:31:49,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:31:49,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309352119] [2021-12-21 17:31:49,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:31:49,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:31:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:31:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:31:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:31:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:31:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:31:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 17:31:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:31:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:31:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 17:31:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 17:31:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:31:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:31:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:31:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:31:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:31:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:31:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 17:31:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 17:31:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 17:31:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:31:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:31:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:31:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 17:31:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:31:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-21 17:31:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 17:31:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 17:31:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 17:31:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:31:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:31:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-21 17:31:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:31:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:31:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-21 17:31:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-21 17:31:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 17:31:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:31:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-21 17:31:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-21 17:31:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-21 17:31:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-21 17:31:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-21 17:31:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-21 17:31:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-21 17:31:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-21 17:31:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-21 17:31:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-21 17:31:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2021-12-21 17:31:50,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:31:50,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309352119] [2021-12-21 17:31:50,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309352119] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:31:50,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:31:50,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-21 17:31:50,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071429072] [2021-12-21 17:31:50,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:31:50,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-21 17:31:50,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:31:50,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-21 17:31:50,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-12-21 17:31:50,237 INFO L87 Difference]: Start difference. First operand 5041 states and 7214 transitions. Second operand has 14 states, 14 states have (on average 11.428571428571429) internal successors, (160), 8 states have internal predecessors, (160), 2 states have call successors, (57), 8 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-12-21 17:31:58,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:31:58,624 INFO L93 Difference]: Finished difference Result 12008 states and 17634 transitions. [2021-12-21 17:31:58,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-21 17:31:58,625 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.428571428571429) internal successors, (160), 8 states have internal predecessors, (160), 2 states have call successors, (57), 8 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 421 [2021-12-21 17:31:58,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:31:58,669 INFO L225 Difference]: With dead ends: 12008 [2021-12-21 17:31:58,669 INFO L226 Difference]: Without dead ends: 6982 [2021-12-21 17:31:58,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2021-12-21 17:31:58,694 INFO L933 BasicCegarLoop]: 3162 mSDtfsCounter, 6989 mSDsluCounter, 17097 mSDsCounter, 0 mSdLazyCounter, 10129 mSolverCounterSat, 4583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7588 SdHoareTripleChecker+Valid, 20259 SdHoareTripleChecker+Invalid, 14712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4583 IncrementalHoareTripleChecker+Valid, 10129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-21 17:31:58,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7588 Valid, 20259 Invalid, 14712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4583 Valid, 10129 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2021-12-21 17:31:58,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6982 states. [2021-12-21 17:31:58,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6982 to 5060. [2021-12-21 17:31:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5060 states, 3296 states have (on average 1.2290655339805825) internal successors, (4051), 3398 states have internal predecessors, (4051), 1545 states have call successors, (1545), 213 states have call predecessors, (1545), 218 states have return successors, (1641), 1517 states have call predecessors, (1641), 1542 states have call successors, (1641) [2021-12-21 17:31:58,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 7237 transitions. [2021-12-21 17:31:58,967 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 7237 transitions. Word has length 421 [2021-12-21 17:31:58,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:31:58,969 INFO L470 AbstractCegarLoop]: Abstraction has 5060 states and 7237 transitions. [2021-12-21 17:31:58,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.428571428571429) internal successors, (160), 8 states have internal predecessors, (160), 2 states have call successors, (57), 8 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-12-21 17:31:58,969 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 7237 transitions. [2021-12-21 17:31:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-12-21 17:31:58,984 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:31:58,984 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 11, 11, 11, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:31:58,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 17:31:58,985 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:31:58,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:31:58,985 INFO L85 PathProgramCache]: Analyzing trace with hash 903997334, now seen corresponding path program 1 times [2021-12-21 17:31:58,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:31:58,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672389391] [2021-12-21 17:31:58,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:31:58,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:31:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:31:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:31:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:31:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:31:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:31:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 17:31:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:31:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:31:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 17:31:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 17:31:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:31:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:31:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:31:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:31:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:31:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:31:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 17:31:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 17:31:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 17:31:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:31:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:31:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:31:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 17:31:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:31:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-21 17:31:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 17:31:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 17:31:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 17:31:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:31:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:31:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-21 17:31:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-21 17:31:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:31:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:31:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:31:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:31:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:31:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-21 17:31:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-21 17:31:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:31:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-21 17:31:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-21 17:31:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-21 17:31:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-21 17:31:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-21 17:31:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-21 17:31:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-21 17:31:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-21 17:31:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:31:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-21 17:31:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-21 17:31:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:31:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-21 17:31:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:00,002 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2021-12-21 17:32:00,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:32:00,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672389391] [2021-12-21 17:32:00,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672389391] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 17:32:00,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268004048] [2021-12-21 17:32:00,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:32:00,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 17:32:00,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:32:00,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 17:32:00,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 17:32:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:00,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 3592 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 17:32:00,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 17:32:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-12-21 17:32:01,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 17:32:01,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268004048] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:32:01,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 17:32:01,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2021-12-21 17:32:01,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782286320] [2021-12-21 17:32:01,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:32:01,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 17:32:01,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:32:01,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 17:32:01,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2021-12-21 17:32:01,455 INFO L87 Difference]: Start difference. First operand 5060 states and 7237 transitions. Second operand has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2021-12-21 17:32:01,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:32:01,659 INFO L93 Difference]: Finished difference Result 10159 states and 14623 transitions. [2021-12-21 17:32:01,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 17:32:01,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 463 [2021-12-21 17:32:01,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:32:01,690 INFO L225 Difference]: With dead ends: 10159 [2021-12-21 17:32:01,690 INFO L226 Difference]: Without dead ends: 5114 [2021-12-21 17:32:01,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-12-21 17:32:01,752 INFO L933 BasicCegarLoop]: 3140 mSDtfsCounter, 40 mSDsluCounter, 9327 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 12467 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 17:32:01,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 12467 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 17:32:01,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5114 states. [2021-12-21 17:32:01,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5114 to 5095. [2021-12-21 17:32:01,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5095 states, 3322 states have (on average 1.22787477423239) internal successors, (4079), 3424 states have internal predecessors, (4079), 1554 states have call successors, (1554), 213 states have call predecessors, (1554), 218 states have return successors, (1650), 1526 states have call predecessors, (1650), 1551 states have call successors, (1650) [2021-12-21 17:32:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 7283 transitions. [2021-12-21 17:32:01,927 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 7283 transitions. Word has length 463 [2021-12-21 17:32:01,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:32:01,927 INFO L470 AbstractCegarLoop]: Abstraction has 5095 states and 7283 transitions. [2021-12-21 17:32:01,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2021-12-21 17:32:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 7283 transitions. [2021-12-21 17:32:01,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-12-21 17:32:01,941 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:32:01,941 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 11, 11, 11, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:32:01,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 17:32:02,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 17:32:02,149 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:32:02,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:32:02,149 INFO L85 PathProgramCache]: Analyzing trace with hash 728875032, now seen corresponding path program 1 times [2021-12-21 17:32:02,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:32:02,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530984556] [2021-12-21 17:32:02,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:32:02,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:32:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:32:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:32:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:32:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:32:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:32:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 17:32:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:32:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:32:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 17:32:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 17:32:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:32:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:32:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:32:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:32:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:32:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:32:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 17:32:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 17:32:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 17:32:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:32:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:32:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:32:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 17:32:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:32:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-21 17:32:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 17:32:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 17:32:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 17:32:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:32:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:32:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-21 17:32:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-21 17:32:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:32:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:32:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:32:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:32:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:32:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-21 17:32:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-21 17:32:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:32:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-21 17:32:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-21 17:32:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-21 17:32:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-21 17:32:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-21 17:32:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-21 17:32:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-21 17:32:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-21 17:32:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-21 17:32:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-21 17:32:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-21 17:32:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2021-12-21 17:32:02,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:32:02,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530984556] [2021-12-21 17:32:02,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530984556] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 17:32:02,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787422529] [2021-12-21 17:32:02,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:32:02,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 17:32:02,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:32:02,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 17:32:03,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 17:32:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:03,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 3593 conjuncts, 50 conjunts are in the unsatisfiable core [2021-12-21 17:32:03,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 17:32:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 31 proven. 27 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2021-12-21 17:32:04,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 17:32:05,492 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 33 proven. 27 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2021-12-21 17:32:05,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787422529] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 17:32:05,492 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 17:32:05,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 29 [2021-12-21 17:32:05,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845732036] [2021-12-21 17:32:05,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 17:32:05,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-21 17:32:05,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:32:05,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-21 17:32:05,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=741, Unknown=0, NotChecked=0, Total=812 [2021-12-21 17:32:05,495 INFO L87 Difference]: Start difference. First operand 5095 states and 7283 transitions. Second operand has 29 states, 28 states have (on average 9.892857142857142) internal successors, (277), 20 states have internal predecessors, (277), 7 states have call successors, (104), 9 states have call predecessors, (104), 6 states have return successors, (98), 8 states have call predecessors, (98), 7 states have call successors, (98) [2021-12-21 17:32:22,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:32:22,540 INFO L93 Difference]: Finished difference Result 10759 states and 15752 transitions. [2021-12-21 17:32:22,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-21 17:32:22,541 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 9.892857142857142) internal successors, (277), 20 states have internal predecessors, (277), 7 states have call successors, (104), 9 states have call predecessors, (104), 6 states have return successors, (98), 8 states have call predecessors, (98), 7 states have call successors, (98) Word has length 463 [2021-12-21 17:32:22,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:32:22,578 INFO L225 Difference]: With dead ends: 10759 [2021-12-21 17:32:22,578 INFO L226 Difference]: Without dead ends: 5678 [2021-12-21 17:32:22,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1107 GetRequests, 1058 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=317, Invalid=2233, Unknown=0, NotChecked=0, Total=2550 [2021-12-21 17:32:22,601 INFO L933 BasicCegarLoop]: 3373 mSDtfsCounter, 4934 mSDsluCounter, 50923 mSDsCounter, 0 mSdLazyCounter, 33135 mSolverCounterSat, 4570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5492 SdHoareTripleChecker+Valid, 54296 SdHoareTripleChecker+Invalid, 37705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4570 IncrementalHoareTripleChecker+Valid, 33135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-12-21 17:32:22,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5492 Valid, 54296 Invalid, 37705 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4570 Valid, 33135 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2021-12-21 17:32:22,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5678 states. [2021-12-21 17:32:22,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5678 to 5100. [2021-12-21 17:32:22,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5100 states, 3328 states have (on average 1.2271634615384615) internal successors, (4084), 3425 states have internal predecessors, (4084), 1552 states have call successors, (1552), 213 states have call predecessors, (1552), 219 states have return successors, (1667), 1530 states have call predecessors, (1667), 1550 states have call successors, (1667) [2021-12-21 17:32:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5100 states to 5100 states and 7303 transitions. [2021-12-21 17:32:22,819 INFO L78 Accepts]: Start accepts. Automaton has 5100 states and 7303 transitions. Word has length 463 [2021-12-21 17:32:22,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:32:22,822 INFO L470 AbstractCegarLoop]: Abstraction has 5100 states and 7303 transitions. [2021-12-21 17:32:22,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 9.892857142857142) internal successors, (277), 20 states have internal predecessors, (277), 7 states have call successors, (104), 9 states have call predecessors, (104), 6 states have return successors, (98), 8 states have call predecessors, (98), 7 states have call successors, (98) [2021-12-21 17:32:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 5100 states and 7303 transitions. [2021-12-21 17:32:22,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2021-12-21 17:32:22,838 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:32:22,838 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:32:22,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 17:32:23,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-21 17:32:23,048 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:32:23,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:32:23,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1501207211, now seen corresponding path program 1 times [2021-12-21 17:32:23,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:32:23,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764530593] [2021-12-21 17:32:23,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:32:23,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:32:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:32:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:32:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:32:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:32:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:32:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 17:32:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:32:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:32:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 17:32:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 17:32:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:32:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:32:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:32:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:32:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 17:32:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 17:32:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:32:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-21 17:32:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-21 17:32:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-21 17:32:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 17:32:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-21 17:32:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:32:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:32:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:32:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 17:32:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-21 17:32:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-21 17:32:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-21 17:32:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-21 17:32:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-21 17:32:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-21 17:32:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-21 17:32:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-21 17:32:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-21 17:32:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:32:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:32:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-21 17:32:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:32:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 17:32:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-21 17:32:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-21 17:32:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-21 17:32:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-21 17:32:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-21 17:32:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-21 17:32:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-21 17:32:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-21 17:32:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-21 17:32:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-21 17:32:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-21 17:32:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:32:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-21 17:32:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-21 17:32:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-21 17:32:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-21 17:32:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:32:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2021-12-21 17:32:23,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:32:23,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764530593] [2021-12-21 17:32:23,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764530593] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:32:23,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:32:23,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 17:32:23,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867337203] [2021-12-21 17:32:23,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:32:23,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 17:32:23,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:32:23,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 17:32:23,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-12-21 17:32:23,923 INFO L87 Difference]: Start difference. First operand 5100 states and 7303 transitions. Second operand has 12 states, 12 states have (on average 15.416666666666666) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (66), 9 states have call predecessors, (66), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64)