./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc --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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:54:41,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:54:41,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:54:41,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:54:41,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:54:41,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:54:41,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:54:41,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:54:41,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:54:41,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:54:41,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:54:41,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:54:41,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:54:41,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:54:41,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:54:41,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:54:41,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:54:41,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:54:41,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:54:41,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:54:41,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:54:41,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:54:41,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:54:41,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:54:41,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:54:41,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:54:41,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:54:41,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:54:41,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:54:41,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:54:41,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:54:41,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:54:41,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:54:41,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:54:41,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:54:41,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:54:41,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:54:41,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:54:41,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:54:41,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:54:41,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:54:41,167 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:54:41,204 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:54:41,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:54:41,205 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:54:41,205 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:54:41,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:54:41,206 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:54:41,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:54:41,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:54:41,211 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:54:41,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:54:41,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:54:41,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:54:41,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:54:41,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:54:41,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:54:41,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:54:41,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:54:41,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:54:41,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:54:41,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:54:41,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:54:41,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:54:41,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:54:41,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:54:41,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:54:41,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:54:41,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:54:41,216 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:54:41,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:54:41,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:54:41,217 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-11-02 20:54:41,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:54:41,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:54:41,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:54:41,561 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:54:41,562 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:54:41,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-11-02 20:54:41,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/data/3fc998a5a/e741452655ef4066bb3a1f8d113b7649/FLAG59c9aaa09 [2022-11-02 20:54:42,771 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:54:42,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-11-02 20:54:42,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/data/3fc998a5a/e741452655ef4066bb3a1f8d113b7649/FLAG59c9aaa09 [2022-11-02 20:54:43,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/data/3fc998a5a/e741452655ef4066bb3a1f8d113b7649 [2022-11-02 20:54:43,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:54:43,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:54:43,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:54:43,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:54:43,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:54:43,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:54:43" (1/1) ... [2022-11-02 20:54:43,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b9b5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:43, skipping insertion in model container [2022-11-02 20:54:43,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:54:43" (1/1) ... [2022-11-02 20:54:43,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:54:43,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:54:47,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2022-11-02 20:54:47,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2022-11-02 20:54:47,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2022-11-02 20:54:47,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2022-11-02 20:54:47,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:54:47,807 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:54:48,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2022-11-02 20:54:48,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2022-11-02 20:54:48,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2022-11-02 20:54:48,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2022-11-02 20:54:48,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:54:48,628 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:54:48,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48 WrapperNode [2022-11-02 20:54:48,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:54:48,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:54:48,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:54:48,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:54:48,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:48,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,123 INFO L138 Inliner]: procedures = 544, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8578 [2022-11-02 20:54:49,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:54:49,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:54:49,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:54:49,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:54:49,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,613 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:54:49,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:54:49,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:54:49,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:54:49,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:54:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:54:49,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:54:49,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1896e270-2aa6-4b88-81fa-c41dfc10f44e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:54:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-11-02 20:54:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-11-02 20:54:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:54:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:54:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:54:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:54:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:54:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:54:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-11-02 20:54:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-11-02 20:54:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-11-02 20:54:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-11-02 20:54:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-02 20:54:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-02 20:54:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-11-02 20:54:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-11-02 20:54:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:54:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:54:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-11-02 20:54:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-11-02 20:54:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-11-02 20:54:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-11-02 20:54:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-11-02 20:54:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-11-02 20:54:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:54:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:54:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-11-02 20:54:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-11-02 20:54:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-11-02 20:54:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-11-02 20:54:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:54:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:54:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-11-02 20:54:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-11-02 20:54:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-11-02 20:54:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-11-02 20:54:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-11-02 20:54:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-11-02 20:54:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-02 20:54:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-02 20:54:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-11-02 20:54:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-11-02 20:54:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-02 20:54:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-02 20:54:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:54:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:54:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-11-02 20:54:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-11-02 20:54:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-11-02 20:54:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-11-02 20:54:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:54:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:54:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:54:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:54:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-02 20:54:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-11-02 20:54:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-11-02 20:54:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:54:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-02 20:54:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-02 20:54:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-02 20:54:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-02 20:54:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-02 20:54:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-02 20:54:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-11-02 20:54:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-11-02 20:54:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:54:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:54:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:54:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-02 20:54:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-02 20:54:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-11-02 20:54:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-11-02 20:54:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-11-02 20:54:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-11-02 20:54:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:54:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:54:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:54:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:54:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-02 20:54:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-02 20:54:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:54:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:54:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:54:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:54:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:54:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:54:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:54:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:54:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 20:54:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 20:54:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 20:54:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 20:54:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-11-02 20:54:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-11-02 20:54:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 20:54:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 20:54:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-11-02 20:54:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-11-02 20:54:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:54:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:54:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 20:54:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 20:54:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-11-02 20:54:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-11-02 20:54:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 20:54:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 20:54:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-02 20:54:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-02 20:54:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-11-02 20:54:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-11-02 20:54:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:54:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 20:54:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 20:54:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 20:54:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 20:54:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-11-02 20:54:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-11-02 20:54:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:54:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-11-02 20:54:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-11-02 20:54:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:54:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:54:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:54:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:54:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:54:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:54:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:54:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-11-02 20:54:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-11-02 20:54:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-02 20:54:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-02 20:54:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:54:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:54:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-11-02 20:54:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-11-02 20:54:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-11-02 20:54:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-11-02 20:54:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-11-02 20:54:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-11-02 20:54:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-02 20:54:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-02 20:54:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-11-02 20:54:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-11-02 20:54:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:54:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:54:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-11-02 20:54:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-11-02 20:54:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 20:54:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 20:54:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-02 20:54:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-02 20:54:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-11-02 20:54:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-11-02 20:54:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-11-02 20:54:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-11-02 20:54:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:54:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:54:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-11-02 20:54:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-11-02 20:54:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-02 20:54:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-02 20:54:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-11-02 20:54:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-11-02 20:54:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:54:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:54:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:54:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:54:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-11-02 20:54:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-11-02 20:54:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:54:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:54:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 20:54:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 20:54:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-11-02 20:54:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-11-02 20:54:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-11-02 20:54:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-11-02 20:54:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 20:54:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 20:54:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-11-02 20:54:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-11-02 20:54:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-11-02 20:54:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-11-02 20:54:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-11-02 20:54:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-11-02 20:54:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-11-02 20:54:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-11-02 20:54:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-11-02 20:54:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-11-02 20:54:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:54:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:54:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-11-02 20:54:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-11-02 20:54:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:54:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:54:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-11-02 20:54:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-11-02 20:54:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-02 20:54:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-02 20:54:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-11-02 20:54:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-11-02 20:54:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-11-02 20:54:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-11-02 20:54:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-02 20:54:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-02 20:54:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-11-02 20:54:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-11-02 20:54:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:54:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-11-02 20:54:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-11-02 20:54:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-11-02 20:54:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-11-02 20:54:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-11-02 20:54:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-11-02 20:54:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-11-02 20:54:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-11-02 20:54:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:54:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-11-02 20:54:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-11-02 20:54:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-02 20:54:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-02 20:54:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-11-02 20:54:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-11-02 20:54:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:54:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-02 20:54:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-02 20:54:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-11-02 20:54:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-11-02 20:54:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-02 20:54:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-02 20:54:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-02 20:54:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-02 20:54:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-11-02 20:54:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-11-02 20:54:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-11-02 20:54:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-11-02 20:54:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:54:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:54:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-02 20:54:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-02 20:54:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-02 20:54:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-02 20:54:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-11-02 20:54:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-11-02 20:54:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:54:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:54:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-02 20:54:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-02 20:54:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-11-02 20:54:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-11-02 20:54:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-11-02 20:54:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-11-02 20:54:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-11-02 20:54:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-11-02 20:54:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-11-02 20:54:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-11-02 20:54:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-02 20:54:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-02 20:54:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 20:54:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 20:54:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:54:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:54:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-11-02 20:54:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-11-02 20:54:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-02 20:54:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-02 20:54:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2022-11-02 20:54:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2022-11-02 20:54:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-11-02 20:54:49,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-11-02 20:54:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:54:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-11-02 20:54:49,878 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-11-02 20:54:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:54:49,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:54:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-11-02 20:54:49,878 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-11-02 20:54:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 20:54:49,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 20:54:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-11-02 20:54:49,879 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-11-02 20:54:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 20:54:49,879 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 20:54:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-11-02 20:54:49,879 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-11-02 20:54:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-11-02 20:54:49,880 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-11-02 20:54:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-11-02 20:54:49,880 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-11-02 20:54:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-11-02 20:54:49,880 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-11-02 20:54:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 20:54:49,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 20:54:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-11-02 20:54:49,881 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-11-02 20:54:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-11-02 20:54:49,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-11-02 20:54:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-11-02 20:54:49,881 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-11-02 20:54:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-11-02 20:54:49,881 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-11-02 20:54:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-11-02 20:54:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-11-02 20:54:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-11-02 20:54:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-11-02 20:54:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-02 20:54:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-02 20:54:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-11-02 20:54:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-11-02 20:54:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-11-02 20:54:49,883 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-11-02 20:54:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-02 20:54:49,883 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-02 20:54:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-11-02 20:54:49,883 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-11-02 20:54:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-11-02 20:54:49,883 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-11-02 20:54:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-11-02 20:54:49,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-11-02 20:54:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:54:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:54:49,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:54:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-02 20:54:51,248 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:54:51,251 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:54:51,710 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:55:22,921 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 20:55:23,291 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:55:23,329 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:55:23,330 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-02 20:55:23,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:55:23 BoogieIcfgContainer [2022-11-02 20:55:23,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:55:23,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:55:23,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:55:23,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:55:23,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:54:43" (1/3) ... [2022-11-02 20:55:23,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16628074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:55:23, skipping insertion in model container [2022-11-02 20:55:23,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (2/3) ... [2022-11-02 20:55:23,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16628074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:55:23, skipping insertion in model container [2022-11-02 20:55:23,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:55:23" (3/3) ... [2022-11-02 20:55:23,353 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-11-02 20:55:23,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:55:23,375 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-02 20:55:23,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:55:23,542 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@595df39a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:55:23,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-02 20:55:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) [2022-11-02 20:55:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-02 20:55:23,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:55:23,577 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:55:23,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:55:23,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:23,583 INFO L85 PathProgramCache]: Analyzing trace with hash -467583431, now seen corresponding path program 1 times [2022-11-02 20:55:23,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:23,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383425776] [2022-11-02 20:55:23,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:23,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:55:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:55:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:55:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:55:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:55:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:55:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:55:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:55:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:55:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:55:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:55:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:55:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:55:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:55:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:55:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:55:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:55:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:24,819 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-02 20:55:24,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:55:24,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383425776] [2022-11-02 20:55:24,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383425776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:55:24,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:55:24,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:55:24,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479140940] [2022-11-02 20:55:24,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:55:24,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:55:24,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:55:24,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:55:24,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:55:24,877 INFO L87 Difference]: Start difference. First operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:55:26,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:55:28,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:55:43,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:55:43,770 INFO L93 Difference]: Finished difference Result 11984 states and 17999 transitions. [2022-11-02 20:55:43,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:55:43,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 189 [2022-11-02 20:55:43,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:55:43,852 INFO L225 Difference]: With dead ends: 11984 [2022-11-02 20:55:43,853 INFO L226 Difference]: Without dead ends: 8046 [2022-11-02 20:55:43,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:55:43,895 INFO L413 NwaCegarLoop]: 5354 mSDtfsCounter, 9140 mSDsluCounter, 4168 mSDsCounter, 0 mSdLazyCounter, 5054 mSolverCounterSat, 3959 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10011 SdHoareTripleChecker+Valid, 9522 SdHoareTripleChecker+Invalid, 9015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3959 IncrementalHoareTripleChecker+Valid, 5054 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:55:43,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10011 Valid, 9522 Invalid, 9015 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3959 Valid, 5054 Invalid, 2 Unknown, 0 Unchecked, 17.9s Time] [2022-11-02 20:55:43,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8046 states. [2022-11-02 20:55:44,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8046 to 7694. [2022-11-02 20:55:44,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7694 states, 5485 states have (on average 1.3522333637192343) internal successors, (7417), 5577 states have internal predecessors, (7417), 1905 states have call successors, (1905), 302 states have call predecessors, (1905), 301 states have return successors, (1902), 1874 states have call predecessors, (1902), 1902 states have call successors, (1902) [2022-11-02 20:55:44,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11224 transitions. [2022-11-02 20:55:44,558 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11224 transitions. Word has length 189 [2022-11-02 20:55:44,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:55:44,562 INFO L495 AbstractCegarLoop]: Abstraction has 7694 states and 11224 transitions. [2022-11-02 20:55:44,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:55:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11224 transitions. [2022-11-02 20:55:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-02 20:55:44,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:55:44,576 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:55:44,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:55:44,576 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:55:44,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:44,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1633531592, now seen corresponding path program 1 times [2022-11-02 20:55:44,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:44,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640345315] [2022-11-02 20:55:44,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:44,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:55:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:55:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:55:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:55:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:55:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:55:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:55:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:55:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:55:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:55:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:55:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:55:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:55:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:55:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:55:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:55:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 20:55:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-02 20:55:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:45,389 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-02 20:55:45,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:55:45,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640345315] [2022-11-02 20:55:45,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640345315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:55:45,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:55:45,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:55:45,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447301988] [2022-11-02 20:55:45,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:55:45,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:55:45,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:55:45,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:55:45,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:55:45,395 INFO L87 Difference]: Start difference. First operand 7694 states and 11224 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-02 20:55:47,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:55:49,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:05,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:05,065 INFO L93 Difference]: Finished difference Result 23286 states and 34479 transitions. [2022-11-02 20:56:05,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:56:05,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 195 [2022-11-02 20:56:05,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:56:05,181 INFO L225 Difference]: With dead ends: 23286 [2022-11-02 20:56:05,181 INFO L226 Difference]: Without dead ends: 15627 [2022-11-02 20:56:05,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:56:05,233 INFO L413 NwaCegarLoop]: 5333 mSDtfsCounter, 8979 mSDsluCounter, 4388 mSDsCounter, 0 mSdLazyCounter, 5116 mSolverCounterSat, 4038 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9799 SdHoareTripleChecker+Valid, 9721 SdHoareTripleChecker+Invalid, 9156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4038 IncrementalHoareTripleChecker+Valid, 5116 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:56:05,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9799 Valid, 9721 Invalid, 9156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4038 Valid, 5116 Invalid, 2 Unknown, 0 Unchecked, 18.8s Time] [2022-11-02 20:56:05,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15627 states. [2022-11-02 20:56:06,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15627 to 15201. [2022-11-02 20:56:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15201 states, 10863 states have (on average 1.3469575623676702) internal successors, (14632), 10957 states have internal predecessors, (14632), 3698 states have call successors, (3698), 600 states have call predecessors, (3698), 637 states have return successors, (4175), 3763 states have call predecessors, (4175), 3695 states have call successors, (4175) [2022-11-02 20:56:06,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15201 states to 15201 states and 22505 transitions. [2022-11-02 20:56:06,215 INFO L78 Accepts]: Start accepts. Automaton has 15201 states and 22505 transitions. Word has length 195 [2022-11-02 20:56:06,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:56:06,218 INFO L495 AbstractCegarLoop]: Abstraction has 15201 states and 22505 transitions. [2022-11-02 20:56:06,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-02 20:56:06,219 INFO L276 IsEmpty]: Start isEmpty. Operand 15201 states and 22505 transitions. [2022-11-02 20:56:06,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-02 20:56:06,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:56:06,227 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:06,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:56:06,227 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:56:06,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:06,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1814963991, now seen corresponding path program 1 times [2022-11-02 20:56:06,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:06,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080625886] [2022-11-02 20:56:06,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:06,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:56:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:56:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:56:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:56:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:56:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:56:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:56:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:56:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:56:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:56:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:56:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:56:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:56:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:56:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:56:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:56:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-02 20:56:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-02 20:56:06,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:06,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080625886] [2022-11-02 20:56:06,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080625886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:06,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:06,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:56:06,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196509540] [2022-11-02 20:56:06,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:06,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:56:06,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:06,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:56:06,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:56:06,808 INFO L87 Difference]: Start difference. First operand 15201 states and 22505 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:56:08,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:10,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:26,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:26,126 INFO L93 Difference]: Finished difference Result 46139 states and 68664 transitions. [2022-11-02 20:56:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:56:26,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 205 [2022-11-02 20:56:26,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:56:26,344 INFO L225 Difference]: With dead ends: 46139 [2022-11-02 20:56:26,344 INFO L226 Difference]: Without dead ends: 30973 [2022-11-02 20:56:26,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:56:26,455 INFO L413 NwaCegarLoop]: 5334 mSDtfsCounter, 9094 mSDsluCounter, 4159 mSDsCounter, 0 mSdLazyCounter, 5085 mSolverCounterSat, 4005 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9957 SdHoareTripleChecker+Valid, 9493 SdHoareTripleChecker+Invalid, 9091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4005 IncrementalHoareTripleChecker+Valid, 5085 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:56:26,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9957 Valid, 9493 Invalid, 9091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4005 Valid, 5085 Invalid, 1 Unknown, 0 Unchecked, 17.8s Time] [2022-11-02 20:56:26,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30973 states. [2022-11-02 20:56:28,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30973 to 30449. [2022-11-02 20:56:28,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30449 states, 21795 states have (on average 1.3443450332645102) internal successors, (29300), 21887 states have internal predecessors, (29300), 7340 states have call successors, (7340), 1198 states have call predecessors, (7340), 1311 states have return successors, (8613), 7603 states have call predecessors, (8613), 7337 states have call successors, (8613) [2022-11-02 20:56:28,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30449 states to 30449 states and 45253 transitions. [2022-11-02 20:56:28,461 INFO L78 Accepts]: Start accepts. Automaton has 30449 states and 45253 transitions. Word has length 205 [2022-11-02 20:56:28,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:56:28,462 INFO L495 AbstractCegarLoop]: Abstraction has 30449 states and 45253 transitions. [2022-11-02 20:56:28,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:56:28,463 INFO L276 IsEmpty]: Start isEmpty. Operand 30449 states and 45253 transitions. [2022-11-02 20:56:28,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-02 20:56:28,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:56:28,468 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:28,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:56:28,469 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:56:28,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:28,469 INFO L85 PathProgramCache]: Analyzing trace with hash -202220775, now seen corresponding path program 1 times [2022-11-02 20:56:28,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:28,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567784439] [2022-11-02 20:56:28,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:28,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:28,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:56:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:28,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:28,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:56:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:28,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:28,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:56:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:28,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:28,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:56:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:56:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:56:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:56:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:56:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:56:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:56:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:56:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:56:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:56:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:56:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:56:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:56:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:56:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-02 20:56:29,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:29,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567784439] [2022-11-02 20:56:29,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567784439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:29,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:29,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:56:29,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409694957] [2022-11-02 20:56:29,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:29,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:56:29,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:29,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:56:29,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:56:29,279 INFO L87 Difference]: Start difference. First operand 30449 states and 45253 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:56:31,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:33,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:49,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:49,627 INFO L93 Difference]: Finished difference Result 91901 states and 136942 transitions. [2022-11-02 20:56:49,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:56:49,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 206 [2022-11-02 20:56:49,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:56:50,009 INFO L225 Difference]: With dead ends: 91901 [2022-11-02 20:56:50,010 INFO L226 Difference]: Without dead ends: 61487 [2022-11-02 20:56:50,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:56:50,192 INFO L413 NwaCegarLoop]: 5328 mSDtfsCounter, 9094 mSDsluCounter, 4156 mSDsCounter, 0 mSdLazyCounter, 5082 mSolverCounterSat, 4007 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9959 SdHoareTripleChecker+Valid, 9484 SdHoareTripleChecker+Invalid, 9091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4007 IncrementalHoareTripleChecker+Valid, 5082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:56:50,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9959 Valid, 9484 Invalid, 9091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4007 Valid, 5082 Invalid, 2 Unknown, 0 Unchecked, 18.0s Time] [2022-11-02 20:56:50,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61487 states. [2022-11-02 20:56:53,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61487 to 60765. [2022-11-02 20:56:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60765 states, 43519 states have (on average 1.3430455663043728) internal successors, (58448), 43607 states have internal predecessors, (58448), 14584 states have call successors, (14584), 2394 states have call predecessors, (14584), 2659 states have return successors, (17441), 15243 states have call predecessors, (17441), 14581 states have call successors, (17441) [2022-11-02 20:56:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60765 states to 60765 states and 90473 transitions. [2022-11-02 20:56:54,529 INFO L78 Accepts]: Start accepts. Automaton has 60765 states and 90473 transitions. Word has length 206 [2022-11-02 20:56:54,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:56:54,530 INFO L495 AbstractCegarLoop]: Abstraction has 60765 states and 90473 transitions. [2022-11-02 20:56:54,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:56:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 60765 states and 90473 transitions. [2022-11-02 20:56:54,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-02 20:56:54,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:56:54,536 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:54,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:56:54,536 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:56:54,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:54,537 INFO L85 PathProgramCache]: Analyzing trace with hash 468691212, now seen corresponding path program 1 times [2022-11-02 20:56:54,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:54,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070456199] [2022-11-02 20:56:54,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:54,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:56:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:56:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:56:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:56:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:56:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:56:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:56:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:56:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:56:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:56:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:56:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:56:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:56:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:56:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:56:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:56:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:56:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-02 20:56:55,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:55,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070456199] [2022-11-02 20:56:55,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070456199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:55,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:55,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:56:55,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453559187] [2022-11-02 20:56:55,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:55,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:56:55,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:55,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:56:55,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:56:55,378 INFO L87 Difference]: Start difference. First operand 60765 states and 90473 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:56:57,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:59,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:57:18,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:18,297 INFO L93 Difference]: Finished difference Result 182885 states and 272690 transitions. [2022-11-02 20:57:18,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:57:18,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 207 [2022-11-02 20:57:18,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:19,232 INFO L225 Difference]: With dead ends: 182885 [2022-11-02 20:57:19,233 INFO L226 Difference]: Without dead ends: 122155 [2022-11-02 20:57:19,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:57:19,514 INFO L413 NwaCegarLoop]: 5337 mSDtfsCounter, 9091 mSDsluCounter, 4168 mSDsCounter, 0 mSdLazyCounter, 5082 mSolverCounterSat, 4007 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9954 SdHoareTripleChecker+Valid, 9505 SdHoareTripleChecker+Invalid, 9091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4007 IncrementalHoareTripleChecker+Valid, 5082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:19,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9954 Valid, 9505 Invalid, 9091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4007 Valid, 5082 Invalid, 2 Unknown, 0 Unchecked, 17.9s Time] [2022-11-02 20:57:19,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122155 states. [2022-11-02 20:57:25,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122155 to 121037. [2022-11-02 20:57:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121037 states, 86687 states have (on average 1.3423927463172103) internal successors, (116368), 86767 states have internal predecessors, (116368), 28992 states have call successors, (28992), 4786 states have call predecessors, (28992), 5355 states have return successors, (35021), 30443 states have call predecessors, (35021), 28989 states have call successors, (35021) [2022-11-02 20:57:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121037 states to 121037 states and 180381 transitions. [2022-11-02 20:57:26,665 INFO L78 Accepts]: Start accepts. Automaton has 121037 states and 180381 transitions. Word has length 207 [2022-11-02 20:57:26,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:26,670 INFO L495 AbstractCegarLoop]: Abstraction has 121037 states and 180381 transitions. [2022-11-02 20:57:26,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:57:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 121037 states and 180381 transitions. [2022-11-02 20:57:26,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-02 20:57:26,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:26,676 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:57:26,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:57:26,677 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:57:26,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:26,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2007606172, now seen corresponding path program 1 times [2022-11-02 20:57:26,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:26,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723104068] [2022-11-02 20:57:26,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:26,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:57:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:57:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:57:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:57:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:57:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:57:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:57:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:57:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:57:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:57:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:57:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:57:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:57:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:57:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:57:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:57:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:57:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:27,566 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-02 20:57:27,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:27,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723104068] [2022-11-02 20:57:27,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723104068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:27,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:27,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:57:27,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869168388] [2022-11-02 20:57:27,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:27,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:57:27,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:27,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:57:27,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:57:27,569 INFO L87 Difference]: Start difference. First operand 121037 states and 180381 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:57:29,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:57:31,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:57:43,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:57:58,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:58,033 INFO L93 Difference]: Finished difference Result 362799 states and 541188 transitions. [2022-11-02 20:57:58,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:57:58,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 208 [2022-11-02 20:57:58,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:59,801 INFO L225 Difference]: With dead ends: 362799 [2022-11-02 20:57:59,802 INFO L226 Difference]: Without dead ends: 241797 [2022-11-02 20:58:00,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:58:00,303 INFO L413 NwaCegarLoop]: 5344 mSDtfsCounter, 9082 mSDsluCounter, 4164 mSDsCounter, 0 mSdLazyCounter, 5089 mSolverCounterSat, 3999 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9945 SdHoareTripleChecker+Valid, 9508 SdHoareTripleChecker+Invalid, 9091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3999 IncrementalHoareTripleChecker+Valid, 5089 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:58:00,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9945 Valid, 9508 Invalid, 9091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3999 Valid, 5089 Invalid, 3 Unknown, 0 Unchecked, 21.2s Time] [2022-11-02 20:58:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241797 states.