./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c4f91361 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 c75982c19fd5dfb9fa8e3c53498772583a2b959ec347c8c754bb3e522eb604fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-c4f9136-m [2023-11-23 15:25:05,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 15:25:05,668 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 15:25:05,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 15:25:05,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 15:25:05,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 15:25:05,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 15:25:05,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 15:25:05,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 15:25:05,695 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 15:25:05,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 15:25:05,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 15:25:05,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 15:25:05,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 15:25:05,698 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 15:25:05,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 15:25:05,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 15:25:05,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 15:25:05,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 15:25:05,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 15:25:05,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 15:25:05,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 15:25:05,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 15:25:05,700 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 15:25:05,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 15:25:05,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 15:25:05,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 15:25:05,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 15:25:05,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 15:25:05,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 15:25:05,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 15:25:05,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 15:25:05,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 15:25:05,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 15:25:05,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 15:25:05,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 15:25:05,704 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 15:25:05,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 15:25:05,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 15:25:05,704 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c75982c19fd5dfb9fa8e3c53498772583a2b959ec347c8c754bb3e522eb604fa [2023-11-23 15:25:05,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 15:25:05,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 15:25:05,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 15:25:05,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 15:25:05,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 15:25:05,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c [2023-11-23 15:25:07,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 15:25:07,454 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 15:25:07,456 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c [2023-11-23 15:25:07,494 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d289bc045/ba01fec9e8f849cf9d82d2271e2c9f0e/FLAG6bd541469 [2023-11-23 15:25:07,505 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d289bc045/ba01fec9e8f849cf9d82d2271e2c9f0e [2023-11-23 15:25:07,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 15:25:07,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 15:25:07,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 15:25:07,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 15:25:07,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 15:25:07,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:07" (1/1) ... [2023-11-23 15:25:07,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4e6b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:07, skipping insertion in model container [2023-11-23 15:25:07,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:07" (1/1) ... [2023-11-23 15:25:07,626 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 15:25:09,156 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[304925,304938] [2023-11-23 15:25:09,163 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[305499,305512] [2023-11-23 15:25:09,165 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[306698,306711] [2023-11-23 15:25:09,167 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[307406,307419] [2023-11-23 15:25:09,169 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[307847,307860] [2023-11-23 15:25:09,170 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[308079,308092] [2023-11-23 15:25:09,172 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[308657,308670] [2023-11-23 15:25:09,180 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[309247,309260] [2023-11-23 15:25:09,183 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[309664,309677] [2023-11-23 15:25:09,185 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[310061,310074] [2023-11-23 15:25:09,186 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[310296,310309] [2023-11-23 15:25:09,189 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[311044,311057] [2023-11-23 15:25:09,191 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[311465,311478] [2023-11-23 15:25:09,193 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[312092,312105] [2023-11-23 15:25:09,195 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[312507,312520] [2023-11-23 15:25:09,197 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[313151,313164] [2023-11-23 15:25:09,198 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[313881,313894] [2023-11-23 15:25:09,200 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[314717,314730] [2023-11-23 15:25:09,202 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[316063,316076] [2023-11-23 15:25:09,204 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[316461,316474] [2023-11-23 15:25:09,205 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[317018,317031] [2023-11-23 15:25:09,207 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[317401,317414] [2023-11-23 15:25:09,209 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[318017,318030] [2023-11-23 15:25:09,211 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[318591,318604] [2023-11-23 15:25:09,213 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[319504,319517] [2023-11-23 15:25:09,214 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[319895,319908] [2023-11-23 15:25:09,217 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[320124,320137] [2023-11-23 15:25:09,220 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[320530,320543] [2023-11-23 15:25:09,223 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[321387,321400] [2023-11-23 15:25:09,225 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[321794,321807] [2023-11-23 15:25:09,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 15:25:09,250 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 15:25:09,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/virtio_config.h"), "i" (99), "i" (12UL)); [4863-4864] [2023-11-23 15:25:09,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/virtio_config.h"), "i" (178), "i" (12UL)); [4905-4906] [2023-11-23 15:25:09,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (172), "i" (12UL)); [5390-5391] [2023-11-23 15:25:09,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (198), "i" (12UL)); [5450-5451] [2023-11-23 15:25:09,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (285), "i" (12UL)); [5668-5669] [2023-11-23 15:25:09,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (287), "i" (12UL)); [5722-5723] [2023-11-23 15:25:09,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (289), "i" (12UL)); [5776-5777] [2023-11-23 15:25:09,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (348), "i" (12UL)); [5927-5928] [2023-11-23 15:25:09,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (391), "i" (12UL)); [6044-6045] [2023-11-23 15:25:09,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (478), "i" (12UL)); [6276-6277] [2023-11-23 15:25:09,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (512), "i" (12UL)); [6367-6368] [2023-11-23 15:25:09,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (533), "i" (12UL)); [6427-6428] [2023-11-23 15:25:09,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (591), "i" (12UL)); [6621-6622] [2023-11-23 15:25:09,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (669), "i" (12UL)); [6785-6786] [2023-11-23 15:25:09,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (691), "i" (12UL)); [6855-6856] [2023-11-23 15:25:09,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (700), "i" (12UL)); [6932-6933] [2023-11-23 15:25:09,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (709), "i" (12UL)); [7010-7011] [2023-11-23 15:25:09,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (716), "i" (12UL)); [7085-7086] [2023-11-23 15:25:09,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (722), "i" (12UL)); [7160-7161] [2023-11-23 15:25:09,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (728), "i" (12UL)); [7235-7236] [2023-11-23 15:25:09,504 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[304925,304938] [2023-11-23 15:25:09,504 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[305499,305512] [2023-11-23 15:25:09,505 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[306698,306711] [2023-11-23 15:25:09,506 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[307406,307419] [2023-11-23 15:25:09,506 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[307847,307860] [2023-11-23 15:25:09,506 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[308079,308092] [2023-11-23 15:25:09,507 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[308657,308670] [2023-11-23 15:25:09,508 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[309247,309260] [2023-11-23 15:25:09,508 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[309664,309677] [2023-11-23 15:25:09,508 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[310061,310074] [2023-11-23 15:25:09,509 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[310296,310309] [2023-11-23 15:25:09,509 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[311044,311057] [2023-11-23 15:25:09,509 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[311465,311478] [2023-11-23 15:25:09,510 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[312092,312105] [2023-11-23 15:25:09,510 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[312507,312520] [2023-11-23 15:25:09,511 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[313151,313164] [2023-11-23 15:25:09,511 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[313881,313894] [2023-11-23 15:25:09,512 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[314717,314730] [2023-11-23 15:25:09,513 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[316063,316076] [2023-11-23 15:25:09,513 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[316461,316474] [2023-11-23 15:25:09,514 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[317018,317031] [2023-11-23 15:25:09,514 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[317401,317414] [2023-11-23 15:25:09,514 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[318017,318030] [2023-11-23 15:25:09,515 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[318591,318604] [2023-11-23 15:25:09,515 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[319504,319517] [2023-11-23 15:25:09,515 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[319895,319908] [2023-11-23 15:25:09,516 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[320124,320137] [2023-11-23 15:25:09,519 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[320530,320543] [2023-11-23 15:25:09,519 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[321387,321400] [2023-11-23 15:25:09,519 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[321794,321807] [2023-11-23 15:25:09,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 15:25:09,615 WARN L675 CHandler]: The function blk_queue_io_opt is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,616 WARN L675 CHandler]: The function sysfs_streq is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,616 WARN L675 CHandler]: The function __raw_spin_lock_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,616 WARN L675 CHandler]: The function virtqueue_get_buf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,616 WARN L675 CHandler]: The function blk_queue_max_segment_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,616 WARN L675 CHandler]: The function ida_simple_get is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,616 WARN L675 CHandler]: The function virtqueue_is_broken is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,616 WARN L675 CHandler]: The function flush_work is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,616 WARN L675 CHandler]: The function blk_cleanup_queue is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,617 WARN L675 CHandler]: The function blk_queue_bounce_limit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,617 WARN L675 CHandler]: The function virtqueue_enable_cb is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,617 WARN L675 CHandler]: The function virtqueue_kick is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,617 WARN L675 CHandler]: The function unregister_virtio_driver is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,617 WARN L675 CHandler]: The function blk_execute_rq is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,617 WARN L675 CHandler]: The function blk_queue_flush is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,617 WARN L675 CHandler]: The function ida_simple_remove is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,617 WARN L675 CHandler]: The function __alloc_workqueue_key is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,617 WARN L675 CHandler]: The function _raw_spin_unlock_irqrestore is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,618 WARN L675 CHandler]: The function blk_mq_complete_request is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,618 WARN L675 CHandler]: The function ldv_after_alloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,618 WARN L675 CHandler]: The function ldv_assert is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,618 WARN L675 CHandler]: The function __ldv_linux_kernel_locking_spinlock_spin_lock is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,618 WARN L675 CHandler]: The function register_virtio_driver is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,618 WARN L675 CHandler]: The function set_disk_ro is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,618 WARN L675 CHandler]: The function blk_queue_logical_block_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,619 WARN L675 CHandler]: The function dev_notice is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,619 WARN L675 CHandler]: The function add_disk is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,620 WARN L675 CHandler]: The function destroy_workqueue is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,620 WARN L675 CHandler]: The function virtqueue_kick_prepare is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,620 WARN L675 CHandler]: The function virtqueue_notify is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,620 WARN L675 CHandler]: The function kobject_uevent_env is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,620 WARN L675 CHandler]: The function blk_queue_max_segments is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,620 WARN L675 CHandler]: The function alloc_disk is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,620 WARN L675 CHandler]: The function blk_queue_physical_block_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,620 WARN L675 CHandler]: The function sg_init_table is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,621 WARN L675 CHandler]: The function bio_put is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,621 WARN L675 CHandler]: The function bio_map_kern is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,621 WARN L675 CHandler]: The function kfree is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,621 WARN L675 CHandler]: The function unregister_blkdev is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,622 WARN L675 CHandler]: The function __init_work is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,622 WARN L675 CHandler]: The function blk_mq_start_request is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,622 WARN L675 CHandler]: The function blk_mq_alloc_tag_set is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,622 WARN L675 CHandler]: The function del_gendisk is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,622 WARN L675 CHandler]: The function dev_err is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,623 WARN L675 CHandler]: The function scsi_cmd_blk_ioctl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,623 WARN L675 CHandler]: The function blk_queue_alignment_offset is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,623 WARN L675 CHandler]: The function register_blkdev is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,623 WARN L675 CHandler]: The function virtqueue_disable_cb is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,623 WARN L675 CHandler]: The function blk_mq_end_request is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,623 WARN L675 CHandler]: The function put_disk is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,623 WARN L675 CHandler]: The function blk_mq_stop_hw_queues is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,623 WARN L675 CHandler]: The function queue_work_on is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,623 WARN L675 CHandler]: The function blk_mq_init_queue is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,624 WARN L675 CHandler]: The function device_create_file is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,624 WARN L675 CHandler]: The function blk_queue_io_min is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,624 WARN L675 CHandler]: The function blk_queue_max_hw_sectors is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,624 WARN L675 CHandler]: The function lockdep_init_map is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,624 WARN L675 CHandler]: The function virtio_check_driver_offered_feature is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,624 WARN L675 CHandler]: The function blk_mq_stop_hw_queue is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,624 WARN L675 CHandler]: The function sg_init_one is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,624 WARN L675 CHandler]: The function blk_rq_map_sg is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,624 WARN L675 CHandler]: The function __compiletime_assert_322 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,624 WARN L675 CHandler]: The function string_get_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,625 WARN L675 CHandler]: The function blk_mq_free_tag_set is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,625 WARN L675 CHandler]: The function virtqueue_add_sgs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,625 WARN L675 CHandler]: The function blk_mq_start_stopped_hw_queues is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,625 WARN L675 CHandler]: The function revalidate_disk is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:25:09,630 INFO L206 MainTranslator]: Completed translation [2023-11-23 15:25:09,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09 WrapperNode [2023-11-23 15:25:09,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 15:25:09,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 15:25:09,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 15:25:09,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 15:25:09,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:09,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:09,832 INFO L138 Inliner]: procedures = 580, calls = 1540, calls flagged for inlining = 204, calls inlined = 120, statements flattened = 3093 [2023-11-23 15:25:09,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 15:25:09,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 15:25:09,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 15:25:09,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 15:25:09,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:09,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:09,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:10,166 INFO L175 MemorySlicer]: Split 438 memory accesses to 18 slices as follows [2, 2, 3, 5, 314, 2, 7, 14, 8, 8, 8, 1, 17, 14, 4, 14, 14, 1]. 72 percent of accesses are in the largest equivalence class. The 166 initializations are split as follows [2, 0, 0, 0, 75, 0, 0, 3, 8, 8, 8, 1, 17, 14, 2, 14, 14, 0]. The 83 writes are split as follows [0, 1, 0, 1, 79, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2023-11-23 15:25:10,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:10,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:10,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:10,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:10,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:10,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:10,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 15:25:10,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 15:25:10,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 15:25:10,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 15:25:10,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (1/1) ... [2023-11-23 15:25:10,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 15:25:10,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:25:10,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 15:25:10,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 15:25:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2023-11-23 15:25:10,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2023-11-23 15:25:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-11-23 15:25:10,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-11-23 15:25:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2023-11-23 15:25:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2023-11-23 15:25:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2023-11-23 15:25:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 15:25:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 15:25:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2023-11-23 15:25:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-23 15:25:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-23 15:25:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_del_gendisk [2023-11-23 15:25:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_del_gendisk [2023-11-23 15:25:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 15:25:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 15:25:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2023-11-23 15:25:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2023-11-23 15:25:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2023-11-23 15:25:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_stop_hw_queues [2023-11-23 15:25:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-11-23 15:25:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-11-23 15:25:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2023-11-23 15:25:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure init_vq [2023-11-23 15:25:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure init_vq [2023-11-23 15:25:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-11-23 15:25:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-11-23 15:25:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2023-11-23 15:25:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2023-11-23 15:25:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_config_changed [2023-11-23 15:25:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_config_changed [2023-11-23 15:25:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 15:25:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 15:25:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2023-11-23 15:25:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 15:25:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 15:25:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-11-23 15:25:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-11-23 15:25:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2023-11-23 15:25:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2023-11-23 15:25:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2023-11-23 15:25:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 15:25:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2023-11-23 15:25:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2023-11-23 15:25:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2023-11-23 15:25:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_cache_mode [2023-11-23 15:25:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_cache_mode [2023-11-23 15:25:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_disable_cb [2023-11-23 15:25:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 15:25:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 15:25:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-11-23 15:25:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-11-23 15:25:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure string_get_size [2023-11-23 15:25:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-23 15:25:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-23 15:25:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-23 15:25:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-23 15:25:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-23 15:25:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-23 15:25:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-23 15:25:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-23 15:25:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-23 15:25:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-23 15:25:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-23 15:25:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-23 15:25:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-23 15:25:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-23 15:25:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-23 15:25:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-23 15:25:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-23 15:25:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-23 15:25:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2023-11-23 15:25:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_update_cache_mode [2023-11-23 15:25:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_update_cache_mode [2023-11-23 15:25:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 15:25:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_is_broken [2023-11-23 15:25:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-23 15:25:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-23 15:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-23 15:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-23 15:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-23 15:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-23 15:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-23 15:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-23 15:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-23 15:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-23 15:25:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-23 15:25:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-23 15:25:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-23 15:25:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-23 15:25:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-23 15:25:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-23 15:25:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-23 15:25:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-23 15:25:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2023-11-23 15:25:10,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2023-11-23 15:25:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-11-23 15:25:10,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-11-23 15:25:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2023-11-23 15:25:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2023-11-23 15:25:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-23 15:25:10,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-23 15:25:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_remove [2023-11-23 15:25:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 15:25:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 15:25:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 15:25:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 15:25:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 15:25:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 15:25:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 15:25:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 15:25:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-23 15:25:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-23 15:25:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-23 15:25:10,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-23 15:25:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-23 15:25:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-23 15:25:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-23 15:25:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-23 15:25:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-23 15:25:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-23 15:25:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-11-23 15:25:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-11-23 15:25:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-23 15:25:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2023-11-23 15:25:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2023-11-23 15:25:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-11-23 15:25:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-11-23 15:25:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 15:25:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 15:25:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-11-23 15:25:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2023-11-23 15:25:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-11-23 15:25:10,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-11-23 15:25:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2023-11-23 15:25:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2023-11-23 15:25:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2023-11-23 15:25:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-23 15:25:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-23 15:25:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread8 [2023-11-23 15:25:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread8 [2023-11-23 15:25:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2023-11-23 15:25:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2023-11-23 15:25:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 15:25:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2023-11-23 15:25:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2023-11-23 15:25:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure revalidate_disk [2023-11-23 15:25:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 15:25:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2023-11-23 15:25:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 15:25:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 15:25:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 15:25:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 15:25:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 15:25:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 15:25:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 15:25:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 15:25:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 15:25:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-23 15:25:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-23 15:25:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-23 15:25:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-23 15:25:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-23 15:25:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-23 15:25:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-23 15:25:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-23 15:25:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-23 15:25:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-23 15:25:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-23 15:25:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2023-11-23 15:25:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2023-11-23 15:25:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 15:25:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 15:25:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-11-23 15:25:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2023-11-23 15:25:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2023-11-23 15:25:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_cache_type_store [2023-11-23 15:25:10,500 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_cache_type_store [2023-11-23 15:25:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2023-11-23 15:25:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 15:25:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2023-11-23 15:25:10,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2023-11-23 15:25:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-11-23 15:25:10,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-11-23 15:25:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 15:25:10,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 15:25:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 15:25:10,501 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 15:25:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2023-11-23 15:25:10,501 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2023-11-23 15:25:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_enable_cb [2023-11-23 15:25:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-23 15:25:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-23 15:25:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-23 15:25:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-23 15:25:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-23 15:25:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-23 15:25:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-23 15:25:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-23 15:25:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-23 15:25:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-23 15:25:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-23 15:25:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-23 15:25:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-23 15:25:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-23 15:25:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-23 15:25:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-23 15:25:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-23 15:25:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-23 15:25:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-23 15:25:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-23 15:25:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-23 15:25:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-23 15:25:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-23 15:25:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-23 15:25:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-23 15:25:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-23 15:25:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-23 15:25:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-23 15:25:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-23 15:25:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-23 15:25:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-23 15:25:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-23 15:25:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-23 15:25:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-23 15:25:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-23 15:25:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-23 15:25:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 15:25:10,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 15:25:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread32 [2023-11-23 15:25:10,505 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread32 [2023-11-23 15:25:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-23 15:25:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-23 15:25:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-23 15:25:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2023-11-23 15:25:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2023-11-23 15:25:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-23 15:25:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2023-11-23 15:25:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2023-11-23 15:25:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread16 [2023-11-23 15:25:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread16 [2023-11-23 15:25:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 15:25:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 15:25:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_322 [2023-11-23 15:25:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2023-11-23 15:25:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2023-11-23 15:25:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-11-23 15:25:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-11-23 15:25:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2023-11-23 15:25:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2023-11-23 15:25:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-11-23 15:25:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-11-23 15:25:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-11-23 15:25:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-11-23 15:25:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread64 [2023-11-23 15:25:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread64 [2023-11-23 15:25:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 15:25:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-23 15:25:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-23 15:25:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2023-11-23 15:25:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__double_get [2023-11-23 15:25:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__double_get [2023-11-23 15:25:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2023-11-23 15:25:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2023-11-23 15:25:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 15:25:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 15:25:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 15:25:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 15:25:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 15:25:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 15:25:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 15:25:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-23 15:25:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-23 15:25:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-23 15:25:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-23 15:25:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-23 15:25:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-23 15:25:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-23 15:25:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-23 15:25:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-23 15:25:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-23 15:25:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-23 15:25:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2023-11-23 15:25:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2023-11-23 15:25:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-23 15:25:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2023-11-23 15:25:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2023-11-23 15:25:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2023-11-23 15:25:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 15:25:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 15:25:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 15:25:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 15:25:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 15:25:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 15:25:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 15:25:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 15:25:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-23 15:25:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-23 15:25:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-23 15:25:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-23 15:25:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-23 15:25:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-23 15:25:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-23 15:25:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-23 15:25:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-23 15:25:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-23 15:25:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 15:25:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2023-11-23 15:25:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2023-11-23 15:25:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2023-11-23 15:25:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure virtio32_to_cpu [2023-11-23 15:25:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio32_to_cpu [2023-11-23 15:25:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-23 15:25:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2023-11-23 15:25:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2023-11-23 15:25:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-23 15:25:10,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-23 15:25:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 15:25:10,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 15:25:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 15:25:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2023-11-23 15:25:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-23 15:25:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-11-23 15:25:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2023-11-23 15:25:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2023-11-23 15:25:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-23 15:25:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2023-11-23 15:25:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_blk_ioctl [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 15:25:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-23 15:25:10,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-23 15:25:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 15:25:10,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 15:25:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_virtio_blk_vq [2023-11-23 15:25:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_virtio_blk_vq [2023-11-23 15:25:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2023-11-23 15:25:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2023-11-23 15:25:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-23 15:25:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-23 15:25:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_get [2023-11-23 15:25:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2023-11-23 15:25:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2023-11-23 15:25:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2023-11-23 15:25:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2023-11-23 15:25:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2023-11-23 15:25:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2023-11-23 15:25:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2023-11-23 15:25:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 15:25:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 15:25:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2023-11-23 15:25:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2023-11-23 15:25:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2023-11-23 15:25:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent_env [2023-11-23 15:25:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 15:25:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 15:25:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-23 15:25:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-23 15:25:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2023-11-23 15:25:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2023-11-23 15:25:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_end_request [2023-11-23 15:25:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-23 15:25:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2023-11-23 15:25:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2023-11-23 15:25:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2023-11-23 15:25:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 15:25:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 15:25:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 15:25:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 15:25:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 15:25:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 15:25:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 15:25:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 15:25:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-23 15:25:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-23 15:25:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-23 15:25:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-23 15:25:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-23 15:25:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-23 15:25:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-23 15:25:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-23 15:25:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-23 15:25:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-23 15:25:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_device_ready [2023-11-23 15:25:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_device_ready [2023-11-23 15:25:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2023-11-23 15:25:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2023-11-23 15:25:11,027 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 15:25:11,030 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 15:25:12,256 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 15:25:12,402 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 15:25:12,402 INFO L309 CfgBuilder]: Removed 15 assume(true) statements. [2023-11-23 15:25:12,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:12 BoogieIcfgContainer [2023-11-23 15:25:12,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 15:25:12,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 15:25:12,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 15:25:12,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 15:25:12,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:25:07" (1/3) ... [2023-11-23 15:25:12,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0f3945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:12, skipping insertion in model container [2023-11-23 15:25:12,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:09" (2/3) ... [2023-11-23 15:25:12,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0f3945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:12, skipping insertion in model container [2023-11-23 15:25:12,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:12" (3/3) ... [2023-11-23 15:25:12,410 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c [2023-11-23 15:25:12,423 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 15:25:12,423 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-11-23 15:25:12,483 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 15:25:12,489 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=LoopHeads, 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;@1fe34142, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 15:25:12,489 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2023-11-23 15:25:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 961 states, 592 states have (on average 1.400337837837838) internal successors, (829), 647 states have internal predecessors, (829), 271 states have call successors, (271), 85 states have call predecessors, (271), 85 states have return successors, (271), 268 states have call predecessors, (271), 271 states have call successors, (271) [2023-11-23 15:25:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 15:25:12,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:12,508 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:12,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting reach_error_linux_arch_ioErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:12,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:12,514 INFO L85 PathProgramCache]: Analyzing trace with hash -546136915, now seen corresponding path program 1 times [2023-11-23 15:25:12,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:12,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144203508] [2023-11-23 15:25:12,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:12,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:12,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:13,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:13,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:13,093 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:13,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:13,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144203508] [2023-11-23 15:25:13,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144203508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:13,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:13,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 15:25:13,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420280432] [2023-11-23 15:25:13,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:13,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 15:25:13,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:13,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 15:25:13,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 15:25:13,128 INFO L87 Difference]: Start difference. First operand has 961 states, 592 states have (on average 1.400337837837838) internal successors, (829), 647 states have internal predecessors, (829), 271 states have call successors, (271), 85 states have call predecessors, (271), 85 states have return successors, (271), 268 states have call predecessors, (271), 271 states have call successors, (271) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 15:25:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:14,774 INFO L93 Difference]: Finished difference Result 1788 states and 2703 transitions. [2023-11-23 15:25:14,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 15:25:14,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-11-23 15:25:14,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:14,788 INFO L225 Difference]: With dead ends: 1788 [2023-11-23 15:25:14,788 INFO L226 Difference]: Without dead ends: 821 [2023-11-23 15:25:14,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 15:25:14,797 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 760 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 1511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 582 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:14,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 1038 Invalid, 1511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [582 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 15:25:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2023-11-23 15:25:14,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2023-11-23 15:25:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 510 states have (on average 1.3176470588235294) internal successors, (672), 552 states have internal predecessors, (672), 227 states have call successors, (227), 85 states have call predecessors, (227), 61 states have return successors, (193), 191 states have call predecessors, (193), 193 states have call successors, (193) [2023-11-23 15:25:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1092 transitions. [2023-11-23 15:25:14,883 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1092 transitions. Word has length 42 [2023-11-23 15:25:14,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:14,883 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 1092 transitions. [2023-11-23 15:25:14,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 15:25:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1092 transitions. [2023-11-23 15:25:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 15:25:14,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:14,885 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:14,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 15:25:14,886 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting reach_error_linux_arch_ioErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:14,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:14,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1492590993, now seen corresponding path program 1 times [2023-11-23 15:25:14,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:14,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552039426] [2023-11-23 15:25:14,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:14,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:15,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:15,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:15,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:15,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552039426] [2023-11-23 15:25:15,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552039426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:15,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:15,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:15,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702960525] [2023-11-23 15:25:15,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:15,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:15,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:15,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:15,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:15,141 INFO L87 Difference]: Start difference. First operand 821 states and 1092 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 15:25:17,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:17,005 INFO L93 Difference]: Finished difference Result 821 states and 1092 transitions. [2023-11-23 15:25:17,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:17,005 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-11-23 15:25:17,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:17,010 INFO L225 Difference]: With dead ends: 821 [2023-11-23 15:25:17,010 INFO L226 Difference]: Without dead ends: 818 [2023-11-23 15:25:17,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:17,011 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1549 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:17,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 1415 Invalid, 2337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 15:25:17,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2023-11-23 15:25:17,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 818. [2023-11-23 15:25:17,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 509 states have (on average 1.3163064833005893) internal successors, (670), 550 states have internal predecessors, (670), 226 states have call successors, (226), 84 states have call predecessors, (226), 61 states have return successors, (193), 191 states have call predecessors, (193), 193 states have call successors, (193) [2023-11-23 15:25:17,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1089 transitions. [2023-11-23 15:25:17,053 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1089 transitions. Word has length 42 [2023-11-23 15:25:17,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:17,054 INFO L495 AbstractCegarLoop]: Abstraction has 818 states and 1089 transitions. [2023-11-23 15:25:17,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 15:25:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1089 transitions. [2023-11-23 15:25:17,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 15:25:17,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:17,055 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:17,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 15:25:17,056 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:17,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:17,056 INFO L85 PathProgramCache]: Analyzing trace with hash -64585933, now seen corresponding path program 1 times [2023-11-23 15:25:17,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:17,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839208035] [2023-11-23 15:25:17,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:17,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:17,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:17,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:17,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839208035] [2023-11-23 15:25:17,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839208035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:17,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:17,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:17,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900433582] [2023-11-23 15:25:17,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:17,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:17,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:17,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:17,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:17,238 INFO L87 Difference]: Start difference. First operand 818 states and 1089 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 15:25:20,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:20,657 INFO L93 Difference]: Finished difference Result 1596 states and 2132 transitions. [2023-11-23 15:25:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 15:25:20,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-11-23 15:25:20,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:20,665 INFO L225 Difference]: With dead ends: 1596 [2023-11-23 15:25:20,665 INFO L226 Difference]: Without dead ends: 1593 [2023-11-23 15:25:20,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 15:25:20,670 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 2125 mSDsluCounter, 1346 mSDsCounter, 0 mSdLazyCounter, 2569 mSolverCounterSat, 1188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2241 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 3757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1188 IncrementalHoareTripleChecker+Valid, 2569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:20,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2241 Valid, 1903 Invalid, 3757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1188 Valid, 2569 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-23 15:25:20,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2023-11-23 15:25:20,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1400. [2023-11-23 15:25:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 907 states have (on average 1.3219404630650495) internal successors, (1199), 958 states have internal predecessors, (1199), 368 states have call successors, (368), 125 states have call predecessors, (368), 103 states have return successors, (348), 331 states have call predecessors, (348), 335 states have call successors, (348) [2023-11-23 15:25:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1915 transitions. [2023-11-23 15:25:20,736 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1915 transitions. Word has length 47 [2023-11-23 15:25:20,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:20,737 INFO L495 AbstractCegarLoop]: Abstraction has 1400 states and 1915 transitions. [2023-11-23 15:25:20,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 15:25:20,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1915 transitions. [2023-11-23 15:25:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 15:25:20,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:20,742 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:20,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 15:25:20,743 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting reach_error_linux_block_queueErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:20,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:20,743 INFO L85 PathProgramCache]: Analyzing trace with hash -945214359, now seen corresponding path program 1 times [2023-11-23 15:25:20,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:20,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497699180] [2023-11-23 15:25:20,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:20,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:20,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:20,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:20,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:20,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:20,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:20,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:20,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497699180] [2023-11-23 15:25:20,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497699180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:20,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:20,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:20,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913339371] [2023-11-23 15:25:20,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:20,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:20,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:20,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:20,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:20,962 INFO L87 Difference]: Start difference. First operand 1400 states and 1915 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 15:25:22,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:22,667 INFO L93 Difference]: Finished difference Result 1402 states and 1916 transitions. [2023-11-23 15:25:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:22,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2023-11-23 15:25:22,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:22,673 INFO L225 Difference]: With dead ends: 1402 [2023-11-23 15:25:22,673 INFO L226 Difference]: Without dead ends: 1399 [2023-11-23 15:25:22,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:22,674 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1545 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 729 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1663 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:22,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1663 Valid, 1415 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [729 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 15:25:22,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2023-11-23 15:25:22,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1399. [2023-11-23 15:25:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1399 states, 907 states have (on average 1.3208379272326352) internal successors, (1198), 957 states have internal predecessors, (1198), 367 states have call successors, (367), 125 states have call predecessors, (367), 103 states have return successors, (348), 331 states have call predecessors, (348), 335 states have call successors, (348) [2023-11-23 15:25:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1913 transitions. [2023-11-23 15:25:22,737 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1913 transitions. Word has length 52 [2023-11-23 15:25:22,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:22,737 INFO L495 AbstractCegarLoop]: Abstraction has 1399 states and 1913 transitions. [2023-11-23 15:25:22,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 15:25:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1913 transitions. [2023-11-23 15:25:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 15:25:22,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:22,739 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:22,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 15:25:22,739 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting reach_error_linux_block_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:22,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:22,739 INFO L85 PathProgramCache]: Analyzing trace with hash -151899952, now seen corresponding path program 1 times [2023-11-23 15:25:22,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:22,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357897051] [2023-11-23 15:25:22,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:22,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:22,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:22,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:22,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:22,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:22,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:22,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:22,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:22,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357897051] [2023-11-23 15:25:22,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357897051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:22,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:22,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:22,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129805915] [2023-11-23 15:25:22,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:22,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:22,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:22,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:22,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:22,947 INFO L87 Difference]: Start difference. First operand 1399 states and 1913 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 15:25:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:24,978 INFO L93 Difference]: Finished difference Result 1852 states and 2453 transitions. [2023-11-23 15:25:24,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 15:25:24,978 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 57 [2023-11-23 15:25:24,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:24,985 INFO L225 Difference]: With dead ends: 1852 [2023-11-23 15:25:24,986 INFO L226 Difference]: Without dead ends: 1849 [2023-11-23 15:25:24,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 15:25:24,987 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 1897 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 1939 mSolverCounterSat, 882 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 2821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 882 IncrementalHoareTripleChecker+Valid, 1939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:24,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 1538 Invalid, 2821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [882 Valid, 1939 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-23 15:25:24,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2023-11-23 15:25:25,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1786. [2023-11-23 15:25:25,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1786 states, 1152 states have (on average 1.3107638888888888) internal successors, (1510), 1206 states have internal predecessors, (1510), 456 states have call successors, (456), 178 states have call predecessors, (456), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1786 states and 2403 transitions. [2023-11-23 15:25:25,051 INFO L78 Accepts]: Start accepts. Automaton has 1786 states and 2403 transitions. Word has length 57 [2023-11-23 15:25:25,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:25,052 INFO L495 AbstractCegarLoop]: Abstraction has 1786 states and 2403 transitions. [2023-11-23 15:25:25,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 15:25:25,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2403 transitions. [2023-11-23 15:25:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 15:25:25,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:25,053 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:25,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 15:25:25,053 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting reach_error_linux_drivers_base_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:25,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:25,053 INFO L85 PathProgramCache]: Analyzing trace with hash -193588062, now seen corresponding path program 1 times [2023-11-23 15:25:25,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:25,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929688756] [2023-11-23 15:25:25,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:25,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:25:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:25,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:25,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:25,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929688756] [2023-11-23 15:25:25,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929688756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:25,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:25,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:25,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846774333] [2023-11-23 15:25:25,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:25,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:25,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:25,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:25,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:25,260 INFO L87 Difference]: Start difference. First operand 1786 states and 2403 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 15:25:26,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:26,825 INFO L93 Difference]: Finished difference Result 1786 states and 2403 transitions. [2023-11-23 15:25:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:26,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 62 [2023-11-23 15:25:26,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:26,832 INFO L225 Difference]: With dead ends: 1786 [2023-11-23 15:25:26,833 INFO L226 Difference]: Without dead ends: 1783 [2023-11-23 15:25:26,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:26,834 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1540 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 720 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:26,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1661 Valid, 1415 Invalid, 2321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [720 Valid, 1601 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 15:25:26,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2023-11-23 15:25:26,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1783. [2023-11-23 15:25:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1151 states have (on average 1.309296264118158) internal successors, (1507), 1204 states have internal predecessors, (1507), 455 states have call successors, (455), 177 states have call predecessors, (455), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2399 transitions. [2023-11-23 15:25:26,901 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2399 transitions. Word has length 62 [2023-11-23 15:25:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:26,901 INFO L495 AbstractCegarLoop]: Abstraction has 1783 states and 2399 transitions. [2023-11-23 15:25:26,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 15:25:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2399 transitions. [2023-11-23 15:25:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 15:25:26,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:26,903 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:26,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 15:25:26,903 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting reach_error_linux_fs_char_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:26,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:26,903 INFO L85 PathProgramCache]: Analyzing trace with hash -771030215, now seen corresponding path program 1 times [2023-11-23 15:25:26,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:26,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649639558] [2023-11-23 15:25:26,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:26,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:25:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:25:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:27,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:27,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:27,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649639558] [2023-11-23 15:25:27,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649639558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:27,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:27,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:27,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798751644] [2023-11-23 15:25:27,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:27,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:27,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:27,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:27,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:27,098 INFO L87 Difference]: Start difference. First operand 1783 states and 2399 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 15:25:29,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:29,026 INFO L93 Difference]: Finished difference Result 1783 states and 2399 transitions. [2023-11-23 15:25:29,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:29,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 67 [2023-11-23 15:25:29,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:29,033 INFO L225 Difference]: With dead ends: 1783 [2023-11-23 15:25:29,048 INFO L226 Difference]: Without dead ends: 1780 [2023-11-23 15:25:29,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:29,050 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1534 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 717 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1654 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 717 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:29,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1654 Valid, 1415 Invalid, 2312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [717 Valid, 1595 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-23 15:25:29,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states. [2023-11-23 15:25:29,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 1780. [2023-11-23 15:25:29,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1150 states have (on average 1.3078260869565217) internal successors, (1504), 1202 states have internal predecessors, (1504), 454 states have call successors, (454), 176 states have call predecessors, (454), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2395 transitions. [2023-11-23 15:25:29,118 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2395 transitions. Word has length 67 [2023-11-23 15:25:29,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:29,118 INFO L495 AbstractCegarLoop]: Abstraction has 1780 states and 2395 transitions. [2023-11-23 15:25:29,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 15:25:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2395 transitions. [2023-11-23 15:25:29,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 15:25:29,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:29,120 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:29,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 15:25:29,120 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting reach_error_linux_fs_sysfsErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:29,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:29,120 INFO L85 PathProgramCache]: Analyzing trace with hash 306394200, now seen corresponding path program 1 times [2023-11-23 15:25:29,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:29,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619011015] [2023-11-23 15:25:29,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:29,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:25:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:25:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:25:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:29,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:29,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619011015] [2023-11-23 15:25:29,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619011015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:29,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:29,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:29,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395010915] [2023-11-23 15:25:29,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:29,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:29,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:29,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:29,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:29,310 INFO L87 Difference]: Start difference. First operand 1780 states and 2395 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 15:25:30,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:30,985 INFO L93 Difference]: Finished difference Result 1780 states and 2395 transitions. [2023-11-23 15:25:30,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:30,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 72 [2023-11-23 15:25:30,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:30,992 INFO L225 Difference]: With dead ends: 1780 [2023-11-23 15:25:30,992 INFO L226 Difference]: Without dead ends: 1777 [2023-11-23 15:25:30,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:30,994 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1528 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 714 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 714 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:30,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 1415 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [714 Valid, 1589 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 15:25:30,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2023-11-23 15:25:31,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1777. [2023-11-23 15:25:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1777 states, 1149 states have (on average 1.3063533507397738) internal successors, (1501), 1200 states have internal predecessors, (1501), 453 states have call successors, (453), 175 states have call predecessors, (453), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:31,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2391 transitions. [2023-11-23 15:25:31,063 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2391 transitions. Word has length 72 [2023-11-23 15:25:31,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:31,063 INFO L495 AbstractCegarLoop]: Abstraction has 1777 states and 2391 transitions. [2023-11-23 15:25:31,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 15:25:31,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2391 transitions. [2023-11-23 15:25:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 15:25:31,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:31,065 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:31,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 15:25:31,065 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting reach_error_linux_kernel_locking_rwlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:31,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:31,065 INFO L85 PathProgramCache]: Analyzing trace with hash -928805773, now seen corresponding path program 1 times [2023-11-23 15:25:31,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:31,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90309141] [2023-11-23 15:25:31,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:31,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:25:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:25:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:25:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:25:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:31,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:31,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90309141] [2023-11-23 15:25:31,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90309141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:31,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:31,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:31,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644557664] [2023-11-23 15:25:31,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:31,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:31,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:31,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:31,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:31,232 INFO L87 Difference]: Start difference. First operand 1777 states and 2391 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 15:25:32,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:32,796 INFO L93 Difference]: Finished difference Result 1779 states and 2392 transitions. [2023-11-23 15:25:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:32,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2023-11-23 15:25:32,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:32,802 INFO L225 Difference]: With dead ends: 1779 [2023-11-23 15:25:32,803 INFO L226 Difference]: Without dead ends: 1776 [2023-11-23 15:25:32,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:32,803 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1525 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1643 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:32,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1643 Valid, 1415 Invalid, 2296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [711 Valid, 1585 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 15:25:32,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2023-11-23 15:25:32,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1776. [2023-11-23 15:25:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1149 states have (on average 1.3046127067014794) internal successors, (1499), 1199 states have internal predecessors, (1499), 452 states have call successors, (452), 175 states have call predecessors, (452), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2388 transitions. [2023-11-23 15:25:32,873 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2388 transitions. Word has length 77 [2023-11-23 15:25:32,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:32,873 INFO L495 AbstractCegarLoop]: Abstraction has 1776 states and 2388 transitions. [2023-11-23 15:25:32,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 15:25:32,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2388 transitions. [2023-11-23 15:25:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 15:25:32,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:32,874 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:32,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 15:25:32,875 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting reach_error_linux_kernel_locking_rwlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:32,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:32,875 INFO L85 PathProgramCache]: Analyzing trace with hash 722166231, now seen corresponding path program 1 times [2023-11-23 15:25:32,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:32,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790583047] [2023-11-23 15:25:32,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:32,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:32,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:32,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:32,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:32,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:33,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:33,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:25:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:33,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:25:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:33,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:25:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:33,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:25:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:33,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:33,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790583047] [2023-11-23 15:25:33,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790583047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:33,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:33,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:33,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939796520] [2023-11-23 15:25:33,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:33,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:33,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:33,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:33,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:33,026 INFO L87 Difference]: Start difference. First operand 1776 states and 2388 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 15:25:34,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:34,853 INFO L93 Difference]: Finished difference Result 1776 states and 2388 transitions. [2023-11-23 15:25:34,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:34,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 79 [2023-11-23 15:25:34,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:34,859 INFO L225 Difference]: With dead ends: 1776 [2023-11-23 15:25:34,859 INFO L226 Difference]: Without dead ends: 1773 [2023-11-23 15:25:34,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:34,861 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1517 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 708 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:34,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 1415 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [708 Valid, 1579 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 15:25:34,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2023-11-23 15:25:34,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1773. [2023-11-23 15:25:34,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1773 states, 1148 states have (on average 1.3031358885017421) internal successors, (1496), 1197 states have internal predecessors, (1496), 451 states have call successors, (451), 174 states have call predecessors, (451), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2384 transitions. [2023-11-23 15:25:34,937 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2384 transitions. Word has length 79 [2023-11-23 15:25:34,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:34,937 INFO L495 AbstractCegarLoop]: Abstraction has 1773 states and 2384 transitions. [2023-11-23 15:25:34,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 15:25:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2384 transitions. [2023-11-23 15:25:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 15:25:34,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:34,938 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:34,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 15:25:34,939 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting reach_error_linux_kernel_moduleErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:34,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:34,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1600810818, now seen corresponding path program 1 times [2023-11-23 15:25:34,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:34,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658701824] [2023-11-23 15:25:34,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:34,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:25:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:25:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:25:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:25:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:25:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:35,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:35,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658701824] [2023-11-23 15:25:35,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658701824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:35,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:35,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:35,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578314782] [2023-11-23 15:25:35,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:35,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:35,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:35,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:35,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:35,114 INFO L87 Difference]: Start difference. First operand 1773 states and 2384 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 15:25:36,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:36,808 INFO L93 Difference]: Finished difference Result 1773 states and 2384 transitions. [2023-11-23 15:25:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:36,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 84 [2023-11-23 15:25:36,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:36,815 INFO L225 Difference]: With dead ends: 1773 [2023-11-23 15:25:36,815 INFO L226 Difference]: Without dead ends: 1770 [2023-11-23 15:25:36,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:36,816 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1513 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 705 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:36,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 1415 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [705 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 15:25:36,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2023-11-23 15:25:36,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1770. [2023-11-23 15:25:36,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1770 states, 1147 states have (on average 1.3016564952048824) internal successors, (1493), 1195 states have internal predecessors, (1493), 450 states have call successors, (450), 173 states have call predecessors, (450), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2380 transitions. [2023-11-23 15:25:36,914 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2380 transitions. Word has length 84 [2023-11-23 15:25:36,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:36,914 INFO L495 AbstractCegarLoop]: Abstraction has 1770 states and 2380 transitions. [2023-11-23 15:25:36,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 15:25:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2380 transitions. [2023-11-23 15:25:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 15:25:36,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:36,916 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:36,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 15:25:36,917 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:36,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:36,917 INFO L85 PathProgramCache]: Analyzing trace with hash -306911121, now seen corresponding path program 1 times [2023-11-23 15:25:36,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:36,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466194110] [2023-11-23 15:25:36,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:36,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:25:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:25:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:25:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:25:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:25:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:25:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:37,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:37,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466194110] [2023-11-23 15:25:37,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466194110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:37,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:37,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:37,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417497452] [2023-11-23 15:25:37,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:37,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:37,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:37,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:37,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:37,100 INFO L87 Difference]: Start difference. First operand 1770 states and 2380 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 15:25:38,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:38,581 INFO L93 Difference]: Finished difference Result 1770 states and 2380 transitions. [2023-11-23 15:25:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:38,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 89 [2023-11-23 15:25:38,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:38,587 INFO L225 Difference]: With dead ends: 1770 [2023-11-23 15:25:38,587 INFO L226 Difference]: Without dead ends: 1767 [2023-11-23 15:25:38,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:38,588 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1507 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 702 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 702 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:38,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 1415 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [702 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 15:25:38,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2023-11-23 15:25:38,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1767. [2023-11-23 15:25:38,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1767 states, 1146 states have (on average 1.300174520069808) internal successors, (1490), 1193 states have internal predecessors, (1490), 449 states have call successors, (449), 172 states have call predecessors, (449), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 2376 transitions. [2023-11-23 15:25:38,679 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 2376 transitions. Word has length 89 [2023-11-23 15:25:38,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:38,680 INFO L495 AbstractCegarLoop]: Abstraction has 1767 states and 2376 transitions. [2023-11-23 15:25:38,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 15:25:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2376 transitions. [2023-11-23 15:25:38,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 15:25:38,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:38,681 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:38,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 15:25:38,682 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting reach_error_linux_kernel_rcu_update_lock_schedErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:38,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:38,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1929884352, now seen corresponding path program 1 times [2023-11-23 15:25:38,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:38,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835763912] [2023-11-23 15:25:38,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:38,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:25:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:25:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:25:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:25:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:25:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:25:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:25:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:38,875 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:38,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:38,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835763912] [2023-11-23 15:25:38,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835763912] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:38,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:38,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:38,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111602369] [2023-11-23 15:25:38,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:38,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:38,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:38,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:38,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:38,878 INFO L87 Difference]: Start difference. First operand 1767 states and 2376 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 15:25:40,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:40,503 INFO L93 Difference]: Finished difference Result 1767 states and 2376 transitions. [2023-11-23 15:25:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:40,503 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 94 [2023-11-23 15:25:40,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:40,509 INFO L225 Difference]: With dead ends: 1767 [2023-11-23 15:25:40,509 INFO L226 Difference]: Without dead ends: 1764 [2023-11-23 15:25:40,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:40,510 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1501 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 699 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 699 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:40,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 1415 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [699 Valid, 1561 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 15:25:40,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2023-11-23 15:25:40,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1764. [2023-11-23 15:25:40,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1764 states, 1145 states have (on average 1.2986899563318777) internal successors, (1487), 1191 states have internal predecessors, (1487), 448 states have call successors, (448), 171 states have call predecessors, (448), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2372 transitions. [2023-11-23 15:25:40,595 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 2372 transitions. Word has length 94 [2023-11-23 15:25:40,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:40,596 INFO L495 AbstractCegarLoop]: Abstraction has 1764 states and 2372 transitions. [2023-11-23 15:25:40,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 15:25:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2372 transitions. [2023-11-23 15:25:40,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-23 15:25:40,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:40,597 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:40,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-23 15:25:40,598 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting reach_error_linux_kernel_rcu_update_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:40,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:40,598 INFO L85 PathProgramCache]: Analyzing trace with hash 884014730, now seen corresponding path program 1 times [2023-11-23 15:25:40,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:40,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057546294] [2023-11-23 15:25:40,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:40,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:25:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:25:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:25:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:25:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:25:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:25:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:25:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:25:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:40,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:40,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057546294] [2023-11-23 15:25:40,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057546294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:40,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:40,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:40,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853743103] [2023-11-23 15:25:40,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:40,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:40,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:40,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:40,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:40,775 INFO L87 Difference]: Start difference. First operand 1764 states and 2372 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-23 15:25:42,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:42,471 INFO L93 Difference]: Finished difference Result 1764 states and 2372 transitions. [2023-11-23 15:25:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:42,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 99 [2023-11-23 15:25:42,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:42,477 INFO L225 Difference]: With dead ends: 1764 [2023-11-23 15:25:42,478 INFO L226 Difference]: Without dead ends: 1761 [2023-11-23 15:25:42,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:42,482 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1495 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1555 mSolverCounterSat, 696 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1609 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 696 IncrementalHoareTripleChecker+Valid, 1555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:42,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1609 Valid, 1415 Invalid, 2251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [696 Valid, 1555 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 15:25:42,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2023-11-23 15:25:42,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1761. [2023-11-23 15:25:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1144 states have (on average 1.2972027972027973) internal successors, (1484), 1189 states have internal predecessors, (1484), 447 states have call successors, (447), 170 states have call predecessors, (447), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:42,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2368 transitions. [2023-11-23 15:25:42,573 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2368 transitions. Word has length 99 [2023-11-23 15:25:42,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:42,575 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2368 transitions. [2023-11-23 15:25:42,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-23 15:25:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2368 transitions. [2023-11-23 15:25:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-23 15:25:42,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:42,578 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:42,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 15:25:42,578 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting reach_error_linux_block_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:42,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:42,579 INFO L85 PathProgramCache]: Analyzing trace with hash 700034590, now seen corresponding path program 1 times [2023-11-23 15:25:42,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:42,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14347669] [2023-11-23 15:25:42,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:42,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-23 15:25:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 15:25:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-23 15:25:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 15:25:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:25:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:25:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 15:25:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 15:25:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-11-23 15:25:42,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:42,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14347669] [2023-11-23 15:25:42,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14347669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:42,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:42,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 15:25:42,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941508630] [2023-11-23 15:25:42,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:42,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 15:25:42,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:42,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 15:25:42,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 15:25:42,918 INFO L87 Difference]: Start difference. First operand 1761 states and 2368 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 15:25:45,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:45,695 INFO L93 Difference]: Finished difference Result 1901 states and 2572 transitions. [2023-11-23 15:25:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 15:25:45,696 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 129 [2023-11-23 15:25:45,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:45,702 INFO L225 Difference]: With dead ends: 1901 [2023-11-23 15:25:45,702 INFO L226 Difference]: Without dead ends: 1898 [2023-11-23 15:25:45,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-11-23 15:25:45,703 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 2288 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 2949 mSolverCounterSat, 1195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 4144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1195 IncrementalHoareTripleChecker+Valid, 2949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:45,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 2196 Invalid, 4144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1195 Valid, 2949 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-23 15:25:45,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2023-11-23 15:25:45,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1761. [2023-11-23 15:25:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1144 states have (on average 1.2954545454545454) internal successors, (1482), 1189 states have internal predecessors, (1482), 447 states have call successors, (447), 170 states have call predecessors, (447), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:45,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2366 transitions. [2023-11-23 15:25:45,796 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2366 transitions. Word has length 129 [2023-11-23 15:25:45,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:45,796 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2366 transitions. [2023-11-23 15:25:45,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 15:25:45,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2366 transitions. [2023-11-23 15:25:45,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 15:25:45,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:45,815 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:45,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-23 15:25:45,815 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting reach_error_linux_kernel_rcu_srcuErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:45,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:45,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1100420245, now seen corresponding path program 1 times [2023-11-23 15:25:45,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:45,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818284228] [2023-11-23 15:25:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:45,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:25:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:25:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:25:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:25:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:25:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:25:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:25:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:25:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:45,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:25:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:46,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:46,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818284228] [2023-11-23 15:25:46,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818284228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:46,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:46,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:46,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191271121] [2023-11-23 15:25:46,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:46,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:46,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:46,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:46,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:46,006 INFO L87 Difference]: Start difference. First operand 1761 states and 2366 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 15:25:47,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:47,889 INFO L93 Difference]: Finished difference Result 1761 states and 2366 transitions. [2023-11-23 15:25:47,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:47,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 104 [2023-11-23 15:25:47,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:47,896 INFO L225 Difference]: With dead ends: 1761 [2023-11-23 15:25:47,896 INFO L226 Difference]: Without dead ends: 1758 [2023-11-23 15:25:47,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:47,897 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1489 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:47,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1602 Valid, 1415 Invalid, 2242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [693 Valid, 1549 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 15:25:47,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2023-11-23 15:25:47,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1758. [2023-11-23 15:25:47,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1758 states, 1143 states have (on average 1.2939632545931758) internal successors, (1479), 1187 states have internal predecessors, (1479), 446 states have call successors, (446), 169 states have call predecessors, (446), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:47,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 2362 transitions. [2023-11-23 15:25:47,991 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 2362 transitions. Word has length 104 [2023-11-23 15:25:47,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:47,991 INFO L495 AbstractCegarLoop]: Abstraction has 1758 states and 2362 transitions. [2023-11-23 15:25:47,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 15:25:47,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2362 transitions. [2023-11-23 15:25:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 15:25:47,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:47,993 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:47,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-23 15:25:47,993 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting reach_error_linux_lib_idrErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:47,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:47,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1541830355, now seen corresponding path program 1 times [2023-11-23 15:25:47,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:47,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909794477] [2023-11-23 15:25:47,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:47,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:25:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:25:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:25:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:25:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:25:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:25:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:25:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:25:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:25:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:25:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:25:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:25:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:25:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:25:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:25:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:25:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 15:25:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:25:48,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:48,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909794477] [2023-11-23 15:25:48,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909794477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:48,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:48,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:48,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456936727] [2023-11-23 15:25:48,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:48,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:48,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:48,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:48,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:48,292 INFO L87 Difference]: Start difference. First operand 1758 states and 2362 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 15:25:50,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:50,093 INFO L93 Difference]: Finished difference Result 1758 states and 2362 transitions. [2023-11-23 15:25:50,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:25:50,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 109 [2023-11-23 15:25:50,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:50,108 INFO L225 Difference]: With dead ends: 1758 [2023-11-23 15:25:50,108 INFO L226 Difference]: Without dead ends: 1755 [2023-11-23 15:25:50,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:25:50,109 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1483 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 690 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1595 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 690 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:50,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1595 Valid, 1415 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [690 Valid, 1543 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 15:25:50,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2023-11-23 15:25:50,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1755. [2023-11-23 15:25:50,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1755 states, 1142 states have (on average 1.2924693520140105) internal successors, (1476), 1185 states have internal predecessors, (1476), 445 states have call successors, (445), 168 states have call predecessors, (445), 156 states have return successors, (437), 418 states have call predecessors, (437), 424 states have call successors, (437) [2023-11-23 15:25:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2358 transitions. [2023-11-23 15:25:50,220 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2358 transitions. Word has length 109 [2023-11-23 15:25:50,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:50,220 INFO L495 AbstractCegarLoop]: Abstraction has 1755 states and 2358 transitions. [2023-11-23 15:25:50,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 15:25:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2358 transitions. [2023-11-23 15:25:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-23 15:25:50,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:50,223 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:50,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-23 15:25:50,224 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:50,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:50,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1676982407, now seen corresponding path program 1 times [2023-11-23 15:25:50,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:50,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066847205] [2023-11-23 15:25:50,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:25:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:25:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:25:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:25:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:25:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:25:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:25:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 15:25:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 15:25:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:25:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-11-23 15:25:51,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:51,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066847205] [2023-11-23 15:25:51,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066847205] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:25:51,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245536131] [2023-11-23 15:25:51,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:51,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:25:51,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:25:51,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:25:51,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 15:25:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:51,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 15:25:51,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:25:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-23 15:25:51,823 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 15:25:51,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245536131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:51,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 15:25:51,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 16 [2023-11-23 15:25:51,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964235660] [2023-11-23 15:25:51,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:51,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 15:25:51,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:51,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 15:25:51,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2023-11-23 15:25:51,825 INFO L87 Difference]: Start difference. First operand 1755 states and 2358 transitions. Second operand has 10 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2023-11-23 15:25:54,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:54,694 INFO L93 Difference]: Finished difference Result 4119 states and 5689 transitions. [2023-11-23 15:25:54,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 15:25:54,694 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 141 [2023-11-23 15:25:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:54,701 INFO L225 Difference]: With dead ends: 4119 [2023-11-23 15:25:54,701 INFO L226 Difference]: Without dead ends: 2382 [2023-11-23 15:25:54,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2023-11-23 15:25:54,705 INFO L413 NwaCegarLoop]: 1347 mSDtfsCounter, 244 mSDsluCounter, 10391 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:54,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 11738 Invalid, 1502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-23 15:25:54,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2023-11-23 15:25:54,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 1764. [2023-11-23 15:25:54,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1764 states, 1149 states have (on average 1.288946910356832) internal successors, (1481), 1190 states have internal predecessors, (1481), 447 states have call successors, (447), 168 states have call predecessors, (447), 156 states have return successors, (439), 422 states have call predecessors, (439), 426 states have call successors, (439) [2023-11-23 15:25:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2367 transitions. [2023-11-23 15:25:54,838 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 2367 transitions. Word has length 141 [2023-11-23 15:25:54,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:54,839 INFO L495 AbstractCegarLoop]: Abstraction has 1764 states and 2367 transitions. [2023-11-23 15:25:54,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2023-11-23 15:25:54,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2367 transitions. [2023-11-23 15:25:54,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-23 15:25:54,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:54,842 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:54,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 15:25:55,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-23 15:25:55,060 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting reach_error_linux_alloc_irqErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:55,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:55,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1866158981, now seen corresponding path program 1 times [2023-11-23 15:25:55,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:55,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827335529] [2023-11-23 15:25:55,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:55,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:25:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:25:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:25:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:25:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:25:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:25:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:25:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:25:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-23 15:25:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-11-23 15:25:55,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:55,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827335529] [2023-11-23 15:25:55,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827335529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:55,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:55,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 15:25:55,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846869988] [2023-11-23 15:25:55,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:55,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 15:25:55,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:55,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 15:25:55,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 15:25:55,223 INFO L87 Difference]: Start difference. First operand 1764 states and 2367 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 15:25:56,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:56,852 INFO L93 Difference]: Finished difference Result 3867 states and 5281 transitions. [2023-11-23 15:25:56,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 15:25:56,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2023-11-23 15:25:56,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:56,858 INFO L225 Difference]: With dead ends: 3867 [2023-11-23 15:25:56,859 INFO L226 Difference]: Without dead ends: 2125 [2023-11-23 15:25:56,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 15:25:56,863 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 430 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 2115 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:56,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 2115 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 15:25:56,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2023-11-23 15:25:56,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 1766. [2023-11-23 15:25:56,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1766 states, 1151 states have (on average 1.2884448305821026) internal successors, (1483), 1192 states have internal predecessors, (1483), 447 states have call successors, (447), 168 states have call predecessors, (447), 156 states have return successors, (439), 422 states have call predecessors, (439), 426 states have call successors, (439) [2023-11-23 15:25:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 2369 transitions. [2023-11-23 15:25:56,982 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 2369 transitions. Word has length 137 [2023-11-23 15:25:56,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:56,982 INFO L495 AbstractCegarLoop]: Abstraction has 1766 states and 2369 transitions. [2023-11-23 15:25:56,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 15:25:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2369 transitions. [2023-11-23 15:25:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-23 15:25:56,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:56,984 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:56,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-23 15:25:56,985 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting reach_error_linux_alloc_irqErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:56,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:56,985 INFO L85 PathProgramCache]: Analyzing trace with hash 434663609, now seen corresponding path program 1 times [2023-11-23 15:25:56,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:56,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415669291] [2023-11-23 15:25:56,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:56,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:25:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:25:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:25:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:25:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:25:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:25:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:25:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:25:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-23 15:25:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-11-23 15:25:57,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:57,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415669291] [2023-11-23 15:25:57,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415669291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:57,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:57,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:25:57,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407253817] [2023-11-23 15:25:57,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:57,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:25:57,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:57,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:25:57,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:25:57,244 INFO L87 Difference]: Start difference. First operand 1766 states and 2369 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-23 15:25:59,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:25:59,023 INFO L93 Difference]: Finished difference Result 3634 states and 4910 transitions. [2023-11-23 15:25:59,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 15:25:59,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 137 [2023-11-23 15:25:59,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:25:59,029 INFO L225 Difference]: With dead ends: 3634 [2023-11-23 15:25:59,029 INFO L226 Difference]: Without dead ends: 1890 [2023-11-23 15:25:59,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-23 15:25:59,033 INFO L413 NwaCegarLoop]: 729 mSDtfsCounter, 315 mSDsluCounter, 2211 mSDsCounter, 0 mSdLazyCounter, 1851 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 2069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:25:59,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 2940 Invalid, 2069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1851 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 15:25:59,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1890 states. [2023-11-23 15:25:59,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1890 to 1790. [2023-11-23 15:25:59,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1790 states, 1171 states have (on average 1.2903501280956446) internal successors, (1511), 1212 states have internal predecessors, (1511), 449 states have call successors, (449), 170 states have call predecessors, (449), 158 states have return successors, (441), 424 states have call predecessors, (441), 428 states have call successors, (441) [2023-11-23 15:25:59,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 2401 transitions. [2023-11-23 15:25:59,150 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 2401 transitions. Word has length 137 [2023-11-23 15:25:59,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:25:59,151 INFO L495 AbstractCegarLoop]: Abstraction has 1790 states and 2401 transitions. [2023-11-23 15:25:59,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-23 15:25:59,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2401 transitions. [2023-11-23 15:25:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-23 15:25:59,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:25:59,153 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:25:59,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-23 15:25:59,153 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting reach_error_linux_alloc_irqErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:25:59,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:25:59,153 INFO L85 PathProgramCache]: Analyzing trace with hash -266936265, now seen corresponding path program 1 times [2023-11-23 15:25:59,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:25:59,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857141117] [2023-11-23 15:25:59,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:25:59,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:25:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:25:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:25:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:25:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:25:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:25:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:25:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:25:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:25:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:25:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:25:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:25:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:25:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-23 15:25:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:25:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-11-23 15:25:59,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:25:59,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857141117] [2023-11-23 15:25:59,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857141117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:25:59,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:25:59,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 15:25:59,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096593063] [2023-11-23 15:25:59,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:25:59,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 15:25:59,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:25:59,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 15:25:59,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 15:25:59,532 INFO L87 Difference]: Start difference. First operand 1790 states and 2401 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 15:26:01,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:01,550 INFO L93 Difference]: Finished difference Result 3658 states and 4956 transitions. [2023-11-23 15:26:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:26:01,551 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2023-11-23 15:26:01,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:01,556 INFO L225 Difference]: With dead ends: 3658 [2023-11-23 15:26:01,557 INFO L226 Difference]: Without dead ends: 1890 [2023-11-23 15:26:01,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-23 15:26:01,562 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 1119 mSDsluCounter, 2036 mSDsCounter, 0 mSdLazyCounter, 2045 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 2782 SdHoareTripleChecker+Invalid, 2361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 2045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:01,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 2782 Invalid, 2361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 2045 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-23 15:26:01,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1890 states. [2023-11-23 15:26:01,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1890 to 1790. [2023-11-23 15:26:01,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1790 states, 1171 states have (on average 1.2886421861656703) internal successors, (1509), 1212 states have internal predecessors, (1509), 449 states have call successors, (449), 170 states have call predecessors, (449), 158 states have return successors, (441), 424 states have call predecessors, (441), 428 states have call successors, (441) [2023-11-23 15:26:01,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 2399 transitions. [2023-11-23 15:26:01,695 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 2399 transitions. Word has length 137 [2023-11-23 15:26:01,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:01,695 INFO L495 AbstractCegarLoop]: Abstraction has 1790 states and 2399 transitions. [2023-11-23 15:26:01,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 15:26:01,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2399 transitions. [2023-11-23 15:26:01,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-23 15:26:01,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:01,697 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:01,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-23 15:26:01,697 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting reach_error_linux_alloc_irqErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:01,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:01,698 INFO L85 PathProgramCache]: Analyzing trace with hash -265089223, now seen corresponding path program 1 times [2023-11-23 15:26:01,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:01,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550970832] [2023-11-23 15:26:01,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:01,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:26:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:26:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:26:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:26:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:02,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:02,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:02,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:26:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:02,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:26:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:02,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-23 15:26:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-11-23 15:26:02,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:02,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550970832] [2023-11-23 15:26:02,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550970832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:02,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:02,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:26:02,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703139854] [2023-11-23 15:26:02,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:02,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:26:02,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:02,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:26:02,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:26:02,030 INFO L87 Difference]: Start difference. First operand 1790 states and 2399 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 15:26:03,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:03,927 INFO L93 Difference]: Finished difference Result 3914 states and 5339 transitions. [2023-11-23 15:26:03,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 15:26:03,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 137 [2023-11-23 15:26:03,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:03,934 INFO L225 Difference]: With dead ends: 3914 [2023-11-23 15:26:03,934 INFO L226 Difference]: Without dead ends: 2146 [2023-11-23 15:26:03,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 15:26:03,938 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 426 mSDsluCounter, 2259 mSDsCounter, 0 mSdLazyCounter, 1801 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 3000 SdHoareTripleChecker+Invalid, 2024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:03,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 3000 Invalid, 2024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 1801 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 15:26:03,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2023-11-23 15:26:04,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 1787. [2023-11-23 15:26:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1787 states, 1170 states have (on average 1.2854700854700856) internal successors, (1504), 1210 states have internal predecessors, (1504), 448 states have call successors, (448), 169 states have call predecessors, (448), 158 states have return successors, (441), 424 states have call predecessors, (441), 428 states have call successors, (441) [2023-11-23 15:26:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1787 states and 2393 transitions. [2023-11-23 15:26:04,107 INFO L78 Accepts]: Start accepts. Automaton has 1787 states and 2393 transitions. Word has length 137 [2023-11-23 15:26:04,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:04,108 INFO L495 AbstractCegarLoop]: Abstraction has 1787 states and 2393 transitions. [2023-11-23 15:26:04,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 15:26:04,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2393 transitions. [2023-11-23 15:26:04,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-23 15:26:04,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:04,110 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:04,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-23 15:26:04,110 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting reach_error_linux_mmc_sdio_funcErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:04,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:04,111 INFO L85 PathProgramCache]: Analyzing trace with hash 691296068, now seen corresponding path program 1 times [2023-11-23 15:26:04,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:04,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514736867] [2023-11-23 15:26:04,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:04,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:26:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:26:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:26:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:26:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:26:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:26:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:26:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:26:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:26:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:26:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:26:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:26:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:26:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:26:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:26:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:26:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 15:26:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:26:04,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:04,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514736867] [2023-11-23 15:26:04,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514736867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:04,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:04,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:26:04,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791435129] [2023-11-23 15:26:04,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:04,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:26:04,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:04,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:26:04,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:26:04,342 INFO L87 Difference]: Start difference. First operand 1787 states and 2393 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 15:26:06,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:06,081 INFO L93 Difference]: Finished difference Result 1787 states and 2393 transitions. [2023-11-23 15:26:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:26:06,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 114 [2023-11-23 15:26:06,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:06,086 INFO L225 Difference]: With dead ends: 1787 [2023-11-23 15:26:06,086 INFO L226 Difference]: Without dead ends: 1784 [2023-11-23 15:26:06,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:26:06,087 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 1466 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 682 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1576 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 2208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:06,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1576 Valid, 1408 Invalid, 2208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [682 Valid, 1526 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 15:26:06,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2023-11-23 15:26:06,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2023-11-23 15:26:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1169 states have (on average 1.2840034217279725) internal successors, (1501), 1208 states have internal predecessors, (1501), 447 states have call successors, (447), 168 states have call predecessors, (447), 158 states have return successors, (441), 424 states have call predecessors, (441), 428 states have call successors, (441) [2023-11-23 15:26:06,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2389 transitions. [2023-11-23 15:26:06,236 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2389 transitions. Word has length 114 [2023-11-23 15:26:06,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:06,236 INFO L495 AbstractCegarLoop]: Abstraction has 1784 states and 2389 transitions. [2023-11-23 15:26:06,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 15:26:06,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2389 transitions. [2023-11-23 15:26:06,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-23 15:26:06,239 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:06,239 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:06,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-23 15:26:06,239 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:06,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:06,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1291614560, now seen corresponding path program 1 times [2023-11-23 15:26:06,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:06,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637619146] [2023-11-23 15:26:06,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:06,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:06,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:06,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:06,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:26:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:06,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:26:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:26:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:26:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:26:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-23 15:26:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-23 15:26:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 15:26:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-23 15:26:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,061 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-11-23 15:26:07,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:07,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637619146] [2023-11-23 15:26:07,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637619146] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:26:07,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089807775] [2023-11-23 15:26:07,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:07,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:26:07,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:26:07,063 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:26:07,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 15:26:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:07,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 1469 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 15:26:07,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:26:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-23 15:26:07,749 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 15:26:07,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089807775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:07,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 15:26:07,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 17 [2023-11-23 15:26:07,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5128449] [2023-11-23 15:26:07,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:07,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 15:26:07,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:07,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 15:26:07,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2023-11-23 15:26:07,750 INFO L87 Difference]: Start difference. First operand 1784 states and 2389 transitions. Second operand has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 5 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2023-11-23 15:26:10,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:10,621 INFO L93 Difference]: Finished difference Result 4219 states and 5805 transitions. [2023-11-23 15:26:10,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 15:26:10,622 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 5 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 143 [2023-11-23 15:26:10,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:10,629 INFO L225 Difference]: With dead ends: 4219 [2023-11-23 15:26:10,629 INFO L226 Difference]: Without dead ends: 2455 [2023-11-23 15:26:10,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2023-11-23 15:26:10,635 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 257 mSDsluCounter, 11589 mSDsCounter, 0 mSdLazyCounter, 1759 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 12927 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:10,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 12927 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1759 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-23 15:26:10,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2023-11-23 15:26:10,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 1803. [2023-11-23 15:26:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1184 states have (on average 1.2804054054054055) internal successors, (1516), 1223 states have internal predecessors, (1516), 451 states have call successors, (451), 168 states have call predecessors, (451), 158 states have return successors, (448), 428 states have call predecessors, (448), 432 states have call successors, (448) [2023-11-23 15:26:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2415 transitions. [2023-11-23 15:26:10,780 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2415 transitions. Word has length 143 [2023-11-23 15:26:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:10,780 INFO L495 AbstractCegarLoop]: Abstraction has 1803 states and 2415 transitions. [2023-11-23 15:26:10,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 5 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2023-11-23 15:26:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2415 transitions. [2023-11-23 15:26:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-23 15:26:10,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:10,782 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:10,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 15:26:10,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-23 15:26:10,988 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting reach_error_linux_alloc_usb_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:10,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:10,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1712222252, now seen corresponding path program 1 times [2023-11-23 15:26:10,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:10,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719747116] [2023-11-23 15:26:10,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:10,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:26:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:26:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:26:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:26:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:26:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:26:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-23 15:26:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-11-23 15:26:11,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:11,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719747116] [2023-11-23 15:26:11,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719747116] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:11,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:11,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 15:26:11,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361402752] [2023-11-23 15:26:11,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:11,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 15:26:11,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:11,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 15:26:11,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 15:26:11,207 INFO L87 Difference]: Start difference. First operand 1803 states and 2415 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 15:26:12,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:12,234 INFO L93 Difference]: Finished difference Result 3677 states and 4980 transitions. [2023-11-23 15:26:12,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 15:26:12,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 140 [2023-11-23 15:26:12,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:12,239 INFO L225 Difference]: With dead ends: 3677 [2023-11-23 15:26:12,239 INFO L226 Difference]: Without dead ends: 1896 [2023-11-23 15:26:12,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 15:26:12,243 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 1089 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:12,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 1123 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 15:26:12,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2023-11-23 15:26:12,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1796. [2023-11-23 15:26:12,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1796 states, 1179 states have (on average 1.2782018659881256) internal successors, (1507), 1217 states have internal predecessors, (1507), 450 states have call successors, (450), 167 states have call predecessors, (450), 158 states have return successors, (448), 428 states have call predecessors, (448), 432 states have call successors, (448) [2023-11-23 15:26:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2405 transitions. [2023-11-23 15:26:12,385 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2405 transitions. Word has length 140 [2023-11-23 15:26:12,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:12,386 INFO L495 AbstractCegarLoop]: Abstraction has 1796 states and 2405 transitions. [2023-11-23 15:26:12,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 15:26:12,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2405 transitions. [2023-11-23 15:26:12,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 15:26:12,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:12,388 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:12,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-23 15:26:12,388 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting reach_error_linux_net_rtnetlinkErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:12,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:12,388 INFO L85 PathProgramCache]: Analyzing trace with hash 130604751, now seen corresponding path program 1 times [2023-11-23 15:26:12,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:12,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535401448] [2023-11-23 15:26:12,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:12,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:26:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:26:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:26:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:26:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:26:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:26:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:26:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:26:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:26:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:26:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:26:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:26:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:26:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:26:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:26:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:26:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 15:26:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 15:26:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:26:12,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:12,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535401448] [2023-11-23 15:26:12,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535401448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:12,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:12,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:26:12,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551271190] [2023-11-23 15:26:12,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:12,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:26:12,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:12,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:26:12,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:26:12,602 INFO L87 Difference]: Start difference. First operand 1796 states and 2405 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 15:26:14,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:14,342 INFO L93 Difference]: Finished difference Result 1796 states and 2405 transitions. [2023-11-23 15:26:14,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:26:14,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 119 [2023-11-23 15:26:14,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:14,347 INFO L225 Difference]: With dead ends: 1796 [2023-11-23 15:26:14,347 INFO L226 Difference]: Without dead ends: 1793 [2023-11-23 15:26:14,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:26:14,348 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 1445 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:14,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 1408 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [676 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 15:26:14,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2023-11-23 15:26:14,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1793. [2023-11-23 15:26:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1793 states, 1178 states have (on average 1.2767402376910018) internal successors, (1504), 1215 states have internal predecessors, (1504), 449 states have call successors, (449), 166 states have call predecessors, (449), 158 states have return successors, (448), 428 states have call predecessors, (448), 432 states have call successors, (448) [2023-11-23 15:26:14,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 2401 transitions. [2023-11-23 15:26:14,495 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 2401 transitions. Word has length 119 [2023-11-23 15:26:14,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:14,495 INFO L495 AbstractCegarLoop]: Abstraction has 1793 states and 2401 transitions. [2023-11-23 15:26:14,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 15:26:14,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2401 transitions. [2023-11-23 15:26:14,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-23 15:26:14,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:14,516 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:14,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-23 15:26:14,516 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:14,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:14,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1712590004, now seen corresponding path program 1 times [2023-11-23 15:26:14,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:14,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281924640] [2023-11-23 15:26:14,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:14,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:26:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:26:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:26:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:26:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:26:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:26:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:26:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:26:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:26:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:26:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:26:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:26:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:26:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:26:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:26:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:26:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 15:26:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 15:26:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 15:26:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:26:14,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:14,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281924640] [2023-11-23 15:26:14,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281924640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:14,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:14,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:26:14,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219782648] [2023-11-23 15:26:14,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:14,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:26:14,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:14,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:26:14,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:26:14,735 INFO L87 Difference]: Start difference. First operand 1793 states and 2401 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 15:26:16,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:16,547 INFO L93 Difference]: Finished difference Result 1793 states and 2401 transitions. [2023-11-23 15:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:26:16,547 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 124 [2023-11-23 15:26:16,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:16,552 INFO L225 Difference]: With dead ends: 1793 [2023-11-23 15:26:16,552 INFO L226 Difference]: Without dead ends: 1790 [2023-11-23 15:26:16,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:26:16,553 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 1439 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 673 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 2175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 673 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:16,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 1408 Invalid, 2175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [673 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 15:26:16,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2023-11-23 15:26:16,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1790. [2023-11-23 15:26:16,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1790 states, 1177 states have (on average 1.2752761257434155) internal successors, (1501), 1213 states have internal predecessors, (1501), 448 states have call successors, (448), 165 states have call predecessors, (448), 158 states have return successors, (448), 428 states have call predecessors, (448), 432 states have call successors, (448) [2023-11-23 15:26:16,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 2397 transitions. [2023-11-23 15:26:16,699 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 2397 transitions. Word has length 124 [2023-11-23 15:26:16,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:16,699 INFO L495 AbstractCegarLoop]: Abstraction has 1790 states and 2397 transitions. [2023-11-23 15:26:16,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 15:26:16,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2397 transitions. [2023-11-23 15:26:16,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-23 15:26:16,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:16,701 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:16,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-23 15:26:16,702 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting reach_error_linux_usb_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:16,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:16,702 INFO L85 PathProgramCache]: Analyzing trace with hash -731796615, now seen corresponding path program 1 times [2023-11-23 15:26:16,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:16,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487337844] [2023-11-23 15:26:16,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:16,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:26:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:26:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:26:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:26:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:26:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:26:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:26:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:26:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:26:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:26:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:26:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:26:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:26:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:26:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:26:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:26:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 15:26:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 15:26:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 15:26:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 15:26:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:26:16,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:16,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487337844] [2023-11-23 15:26:16,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487337844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:16,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:16,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:26:16,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054778929] [2023-11-23 15:26:16,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:16,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:26:16,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:16,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:26:16,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:26:16,919 INFO L87 Difference]: Start difference. First operand 1790 states and 2397 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 15:26:18,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:18,783 INFO L93 Difference]: Finished difference Result 1790 states and 2397 transitions. [2023-11-23 15:26:18,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:26:18,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 129 [2023-11-23 15:26:18,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:18,787 INFO L225 Difference]: With dead ends: 1790 [2023-11-23 15:26:18,788 INFO L226 Difference]: Without dead ends: 1787 [2023-11-23 15:26:18,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:26:18,788 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 1433 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 1496 mSolverCounterSat, 670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 2166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 670 IncrementalHoareTripleChecker+Valid, 1496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:18,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 1408 Invalid, 2166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [670 Valid, 1496 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 15:26:18,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2023-11-23 15:26:18,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1787. [2023-11-23 15:26:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1787 states, 1176 states have (on average 1.2738095238095237) internal successors, (1498), 1211 states have internal predecessors, (1498), 447 states have call successors, (447), 164 states have call predecessors, (447), 158 states have return successors, (448), 428 states have call predecessors, (448), 432 states have call successors, (448) [2023-11-23 15:26:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1787 states and 2393 transitions. [2023-11-23 15:26:18,935 INFO L78 Accepts]: Start accepts. Automaton has 1787 states and 2393 transitions. Word has length 129 [2023-11-23 15:26:18,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:18,935 INFO L495 AbstractCegarLoop]: Abstraction has 1787 states and 2393 transitions. [2023-11-23 15:26:18,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 15:26:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2393 transitions. [2023-11-23 15:26:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-23 15:26:18,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:18,937 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:18,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-23 15:26:18,937 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting reach_error_linux_block_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:18,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:18,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1475806244, now seen corresponding path program 1 times [2023-11-23 15:26:18,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:18,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567679829] [2023-11-23 15:26:18,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:18,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:26:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:26:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:26:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:26:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-23 15:26:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 15:26:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-23 15:26:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 15:26:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:26:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:26:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 15:26:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 15:26:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:26:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 15:26:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 15:26:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-23 15:26:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 15:26:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2023-11-23 15:26:19,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:19,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567679829] [2023-11-23 15:26:19,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567679829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:19,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:19,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:26:19,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012705467] [2023-11-23 15:26:19,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:19,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:26:19,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:19,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:26:19,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:26:19,278 INFO L87 Difference]: Start difference. First operand 1787 states and 2393 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 15:26:21,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:21,408 INFO L93 Difference]: Finished difference Result 2682 states and 3538 transitions. [2023-11-23 15:26:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:26:21,408 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 162 [2023-11-23 15:26:21,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:21,412 INFO L225 Difference]: With dead ends: 2682 [2023-11-23 15:26:21,412 INFO L226 Difference]: Without dead ends: 1887 [2023-11-23 15:26:21,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:26:21,414 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 985 mSDsluCounter, 1107 mSDsCounter, 0 mSdLazyCounter, 1845 mSolverCounterSat, 810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 1623 SdHoareTripleChecker+Invalid, 2655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 810 IncrementalHoareTripleChecker+Valid, 1845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:21,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 1623 Invalid, 2655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [810 Valid, 1845 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-23 15:26:21,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2023-11-23 15:26:21,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1787. [2023-11-23 15:26:21,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1787 states, 1176 states have (on average 1.2704081632653061) internal successors, (1494), 1211 states have internal predecessors, (1494), 447 states have call successors, (447), 164 states have call predecessors, (447), 158 states have return successors, (448), 428 states have call predecessors, (448), 432 states have call successors, (448) [2023-11-23 15:26:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1787 states and 2389 transitions. [2023-11-23 15:26:21,574 INFO L78 Accepts]: Start accepts. Automaton has 1787 states and 2389 transitions. Word has length 162 [2023-11-23 15:26:21,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:21,574 INFO L495 AbstractCegarLoop]: Abstraction has 1787 states and 2389 transitions. [2023-11-23 15:26:21,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 15:26:21,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2389 transitions. [2023-11-23 15:26:21,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-23 15:26:21,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:21,577 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:21,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-23 15:26:21,577 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting reach_error_linux_block_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:21,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:21,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1460287526, now seen corresponding path program 1 times [2023-11-23 15:26:21,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:21,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362025951] [2023-11-23 15:26:21,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:21,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:26:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:21,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:26:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:21,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:21,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:26:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:21,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:26:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-23 15:26:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 15:26:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-23 15:26:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 15:26:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:26:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:26:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 15:26:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 15:26:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:26:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 15:26:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 15:26:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-23 15:26:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 15:26:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,103 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-11-23 15:26:22,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:22,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362025951] [2023-11-23 15:26:22,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362025951] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:26:22,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236220693] [2023-11-23 15:26:22,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:22,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:26:22,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:26:22,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:26:22,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 15:26:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:22,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 15:26:22,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:26:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-23 15:26:22,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 15:26:22,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236220693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:22,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 15:26:22,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 15 [2023-11-23 15:26:22,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337958747] [2023-11-23 15:26:22,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:22,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 15:26:22,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:22,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 15:26:22,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2023-11-23 15:26:22,723 INFO L87 Difference]: Start difference. First operand 1787 states and 2389 transitions. Second operand has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2023-11-23 15:26:24,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:24,478 INFO L93 Difference]: Finished difference Result 2339 states and 3067 transitions. [2023-11-23 15:26:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 15:26:24,479 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) Word has length 162 [2023-11-23 15:26:24,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:24,483 INFO L225 Difference]: With dead ends: 2339 [2023-11-23 15:26:24,483 INFO L226 Difference]: Without dead ends: 1820 [2023-11-23 15:26:24,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2023-11-23 15:26:24,485 INFO L413 NwaCegarLoop]: 897 mSDtfsCounter, 15 mSDsluCounter, 8032 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 8929 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:24,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 8929 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 15:26:24,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2023-11-23 15:26:24,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1796. [2023-11-23 15:26:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1796 states, 1181 states have (on average 1.2692633361558001) internal successors, (1499), 1216 states have internal predecessors, (1499), 451 states have call successors, (451), 164 states have call predecessors, (451), 158 states have return successors, (452), 432 states have call predecessors, (452), 436 states have call successors, (452) [2023-11-23 15:26:24,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2402 transitions. [2023-11-23 15:26:24,661 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2402 transitions. Word has length 162 [2023-11-23 15:26:24,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:24,661 INFO L495 AbstractCegarLoop]: Abstraction has 1796 states and 2402 transitions. [2023-11-23 15:26:24,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2023-11-23 15:26:24,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2402 transitions. [2023-11-23 15:26:24,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 15:26:24,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:24,663 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:24,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 15:26:24,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:26:24,876 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting reach_error_linux_block_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:24,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:24,877 INFO L85 PathProgramCache]: Analyzing trace with hash 452405963, now seen corresponding path program 1 times [2023-11-23 15:26:24,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:24,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087258685] [2023-11-23 15:26:24,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:24,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:26:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 15:26:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 15:26:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 15:26:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-23 15:26:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:26:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:26:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:26:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 15:26:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 15:26:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 15:26:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 15:26:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-23 15:26:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 15:26:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 15:26:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-23 15:26:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 15:26:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-11-23 15:26:25,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:25,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087258685] [2023-11-23 15:26:25,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087258685] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:26:25,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136496547] [2023-11-23 15:26:25,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:25,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:26:25,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:26:25,416 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:26:25,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 15:26:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:25,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 1537 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 15:26:25,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:26:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-23 15:26:26,019 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 15:26:26,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136496547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:26,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 15:26:26,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [15] total 16 [2023-11-23 15:26:26,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266615598] [2023-11-23 15:26:26,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:26,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 15:26:26,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:26,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 15:26:26,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2023-11-23 15:26:26,021 INFO L87 Difference]: Start difference. First operand 1796 states and 2402 transitions. Second operand has 12 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2023-11-23 15:26:28,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:28,204 INFO L93 Difference]: Finished difference Result 2349 states and 3081 transitions. [2023-11-23 15:26:28,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 15:26:28,204 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) Word has length 164 [2023-11-23 15:26:28,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:28,207 INFO L225 Difference]: With dead ends: 2349 [2023-11-23 15:26:28,210 INFO L226 Difference]: Without dead ends: 1830 [2023-11-23 15:26:28,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2023-11-23 15:26:28,212 INFO L413 NwaCegarLoop]: 896 mSDtfsCounter, 16 mSDsluCounter, 8918 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 9814 SdHoareTripleChecker+Invalid, 1572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:28,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 9814 Invalid, 1572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-23 15:26:28,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2023-11-23 15:26:28,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1797. [2023-11-23 15:26:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1797 states, 1182 states have (on average 1.2690355329949239) internal successors, (1500), 1217 states have internal predecessors, (1500), 451 states have call successors, (451), 164 states have call predecessors, (451), 158 states have return successors, (452), 432 states have call predecessors, (452), 436 states have call successors, (452) [2023-11-23 15:26:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 2403 transitions. [2023-11-23 15:26:28,375 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 2403 transitions. Word has length 164 [2023-11-23 15:26:28,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:28,375 INFO L495 AbstractCegarLoop]: Abstraction has 1797 states and 2403 transitions. [2023-11-23 15:26:28,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2023-11-23 15:26:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2403 transitions. [2023-11-23 15:26:28,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-23 15:26:28,377 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:28,377 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:28,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 15:26:28,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:26:28,592 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting reach_error_linux_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:28,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:28,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1599289036, now seen corresponding path program 1 times [2023-11-23 15:26:28,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:28,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931030993] [2023-11-23 15:26:28,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:28,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:26:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:26:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:26:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:26:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:26:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:26:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:26:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:26:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:26:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:26:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:26:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:26:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:26:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:26:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:26:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:26:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 15:26:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 15:26:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 15:26:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 15:26:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:26:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:26:28,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:28,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931030993] [2023-11-23 15:26:28,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931030993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:28,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:28,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:26:28,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805711957] [2023-11-23 15:26:28,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:28,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:26:28,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:28,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:26:28,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:26:28,776 INFO L87 Difference]: Start difference. First operand 1797 states and 2403 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 15:26:30,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:30,547 INFO L93 Difference]: Finished difference Result 1797 states and 2403 transitions. [2023-11-23 15:26:30,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:26:30,548 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 134 [2023-11-23 15:26:30,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:30,552 INFO L225 Difference]: With dead ends: 1797 [2023-11-23 15:26:30,553 INFO L226 Difference]: Without dead ends: 1794 [2023-11-23 15:26:30,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:26:30,554 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 1426 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 667 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 667 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:30,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 1404 Invalid, 2157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [667 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 15:26:30,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2023-11-23 15:26:30,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1794. [2023-11-23 15:26:30,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1794 states, 1181 states have (on average 1.2675698560541913) internal successors, (1497), 1215 states have internal predecessors, (1497), 450 states have call successors, (450), 163 states have call predecessors, (450), 158 states have return successors, (452), 432 states have call predecessors, (452), 436 states have call successors, (452) [2023-11-23 15:26:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2399 transitions. [2023-11-23 15:26:30,756 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2399 transitions. Word has length 134 [2023-11-23 15:26:30,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:30,757 INFO L495 AbstractCegarLoop]: Abstraction has 1794 states and 2399 transitions. [2023-11-23 15:26:30,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 15:26:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2399 transitions. [2023-11-23 15:26:30,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-23 15:26:30,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:30,758 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:30,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-23 15:26:30,759 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting reach_error_linux_usb_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:30,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:30,759 INFO L85 PathProgramCache]: Analyzing trace with hash -813550330, now seen corresponding path program 1 times [2023-11-23 15:26:30,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:30,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427686278] [2023-11-23 15:26:30,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:30,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 15:26:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 15:26:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:26:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:26:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 15:26:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 15:26:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:26:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 15:26:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:26:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:26:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 15:26:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 15:26:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:26:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 15:26:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:26:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:26:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 15:26:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 15:26:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 15:26:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 15:26:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:26:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 15:26:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 15:26:30,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:30,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427686278] [2023-11-23 15:26:30,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427686278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:30,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:30,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:26:30,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336368265] [2023-11-23 15:26:30,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:30,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:26:30,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:30,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:26:30,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:26:30,925 INFO L87 Difference]: Start difference. First operand 1794 states and 2399 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 15:26:32,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:32,588 INFO L93 Difference]: Finished difference Result 1794 states and 2399 transitions. [2023-11-23 15:26:32,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:26:32,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 139 [2023-11-23 15:26:32,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:32,592 INFO L225 Difference]: With dead ends: 1794 [2023-11-23 15:26:32,592 INFO L226 Difference]: Without dead ends: 1577 [2023-11-23 15:26:32,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:26:32,593 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 1419 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 2149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 664 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:32,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 1404 Invalid, 2149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [664 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 15:26:32,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2023-11-23 15:26:32,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1577. [2023-11-23 15:26:32,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1577 states, 1062 states have (on average 1.2909604519774012) internal successors, (1371), 1092 states have internal predecessors, (1371), 389 states have call successors, (389), 127 states have call predecessors, (389), 122 states have return successors, (391), 374 states have call predecessors, (391), 375 states have call successors, (391) [2023-11-23 15:26:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 2151 transitions. [2023-11-23 15:26:32,804 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 2151 transitions. Word has length 139 [2023-11-23 15:26:32,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:32,804 INFO L495 AbstractCegarLoop]: Abstraction has 1577 states and 2151 transitions. [2023-11-23 15:26:32,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 15:26:32,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2151 transitions. [2023-11-23 15:26:32,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-23 15:26:32,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:32,806 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:32,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-23 15:26:32,807 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting reach_error_linux_block_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:32,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:32,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1653044997, now seen corresponding path program 1 times [2023-11-23 15:26:32,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:32,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677387822] [2023-11-23 15:26:32,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:32,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 15:26:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 15:26:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 15:26:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:26:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 15:26:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 15:26:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 15:26:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 15:26:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 15:26:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 15:26:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 15:26:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 15:26:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 15:26:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-23 15:26:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 15:26:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-23 15:26:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-23 15:26:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-23 15:26:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2023-11-23 15:26:33,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:33,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677387822] [2023-11-23 15:26:33,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677387822] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:26:33,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510274338] [2023-11-23 15:26:33,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:33,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:26:33,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:26:33,154 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:26:33,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 15:26:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:33,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 1595 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 15:26:33,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:26:33,715 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-11-23 15:26:33,715 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 15:26:33,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510274338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:33,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 15:26:33,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 10 [2023-11-23 15:26:33,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611131787] [2023-11-23 15:26:33,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:33,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 15:26:33,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:33,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 15:26:33,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:26:33,717 INFO L87 Difference]: Start difference. First operand 1577 states and 2151 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 15:26:34,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:34,657 INFO L93 Difference]: Finished difference Result 2056 states and 2800 transitions. [2023-11-23 15:26:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 15:26:34,658 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 176 [2023-11-23 15:26:34,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:34,662 INFO L225 Difference]: With dead ends: 2056 [2023-11-23 15:26:34,662 INFO L226 Difference]: Without dead ends: 1706 [2023-11-23 15:26:34,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-23 15:26:34,665 INFO L413 NwaCegarLoop]: 788 mSDtfsCounter, 69 mSDsluCounter, 3903 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 4691 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:34,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 4691 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 15:26:34,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2023-11-23 15:26:34,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1579. [2023-11-23 15:26:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1579 states, 1064 states have (on average 1.2904135338345866) internal successors, (1373), 1094 states have internal predecessors, (1373), 389 states have call successors, (389), 127 states have call predecessors, (389), 122 states have return successors, (391), 374 states have call predecessors, (391), 375 states have call successors, (391) [2023-11-23 15:26:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 2153 transitions. [2023-11-23 15:26:34,825 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 2153 transitions. Word has length 176 [2023-11-23 15:26:34,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:34,826 INFO L495 AbstractCegarLoop]: Abstraction has 1579 states and 2153 transitions. [2023-11-23 15:26:34,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 15:26:34,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 2153 transitions. [2023-11-23 15:26:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-23 15:26:34,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:34,828 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:34,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 15:26:35,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2023-11-23 15:26:35,043 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting reach_error_linux_block_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:35,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:35,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1044191024, now seen corresponding path program 1 times [2023-11-23 15:26:35,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:35,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066612681] [2023-11-23 15:26:35,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:35,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 15:26:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 15:26:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:26:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 15:26:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 15:26:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 15:26:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 15:26:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 15:26:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-23 15:26:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 15:26:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 15:26:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 15:26:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 15:26:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-23 15:26:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-23 15:26:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 15:26:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 15:26:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2023-11-23 15:26:35,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:35,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066612681] [2023-11-23 15:26:35,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066612681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:35,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:35,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 15:26:35,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623690761] [2023-11-23 15:26:35,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:35,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 15:26:35,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:35,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 15:26:35,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-23 15:26:35,516 INFO L87 Difference]: Start difference. First operand 1579 states and 2153 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (28), 5 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-23 15:26:38,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:38,690 INFO L93 Difference]: Finished difference Result 2294 states and 3115 transitions. [2023-11-23 15:26:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 15:26:38,691 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (28), 5 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 177 [2023-11-23 15:26:38,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:38,695 INFO L225 Difference]: With dead ends: 2294 [2023-11-23 15:26:38,695 INFO L226 Difference]: Without dead ends: 1675 [2023-11-23 15:26:38,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-11-23 15:26:38,697 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 796 mSDsluCounter, 2465 mSDsCounter, 0 mSdLazyCounter, 3889 mSolverCounterSat, 698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 2903 SdHoareTripleChecker+Invalid, 4587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 698 IncrementalHoareTripleChecker+Valid, 3889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:38,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 2903 Invalid, 4587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [698 Valid, 3889 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-23 15:26:38,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2023-11-23 15:26:38,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1583. [2023-11-23 15:26:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1066 states have (on average 1.2879924953095685) internal successors, (1373), 1098 states have internal predecessors, (1373), 389 states have call successors, (389), 127 states have call predecessors, (389), 124 states have return successors, (395), 374 states have call predecessors, (395), 375 states have call successors, (395) [2023-11-23 15:26:38,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2157 transitions. [2023-11-23 15:26:38,859 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2157 transitions. Word has length 177 [2023-11-23 15:26:38,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:38,859 INFO L495 AbstractCegarLoop]: Abstraction has 1583 states and 2157 transitions. [2023-11-23 15:26:38,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (28), 5 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-23 15:26:38,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2157 transitions. [2023-11-23 15:26:38,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 15:26:38,860 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:38,861 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:38,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-23 15:26:38,861 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting reach_error_linux_block_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:38,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:38,861 INFO L85 PathProgramCache]: Analyzing trace with hash -2024871474, now seen corresponding path program 1 times [2023-11-23 15:26:38,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:38,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833960163] [2023-11-23 15:26:38,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:38,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 15:26:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 15:26:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 15:26:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 15:26:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 15:26:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 15:26:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 15:26:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 15:26:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-23 15:26:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 15:26:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 15:26:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 15:26:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 15:26:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-23 15:26:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:26:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:26:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-23 15:26:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-23 15:26:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-23 15:26:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2023-11-23 15:26:39,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:39,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833960163] [2023-11-23 15:26:39,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833960163] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:26:39,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964519024] [2023-11-23 15:26:39,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:39,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:26:39,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:26:39,437 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:26:39,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 15:26:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:39,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 1645 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-23 15:26:40,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:26:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2023-11-23 15:26:40,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 15:26:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-23 15:26:40,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964519024] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 15:26:40,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 15:26:40,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 34 [2023-11-23 15:26:40,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727112276] [2023-11-23 15:26:40,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 15:26:40,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-23 15:26:40,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:40,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-23 15:26:40,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1040, Unknown=0, NotChecked=0, Total=1122 [2023-11-23 15:26:40,797 INFO L87 Difference]: Start difference. First operand 1583 states and 2157 transitions. Second operand has 34 states, 24 states have (on average 4.666666666666667) internal successors, (112), 23 states have internal predecessors, (112), 11 states have call successors, (57), 5 states have call predecessors, (57), 9 states have return successors, (58), 16 states have call predecessors, (58), 11 states have call successors, (58) [2023-11-23 15:26:49,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:49,620 INFO L93 Difference]: Finished difference Result 2360 states and 3207 transitions. [2023-11-23 15:26:49,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-23 15:26:49,620 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 24 states have (on average 4.666666666666667) internal successors, (112), 23 states have internal predecessors, (112), 11 states have call successors, (57), 5 states have call predecessors, (57), 9 states have return successors, (58), 16 states have call predecessors, (58), 11 states have call successors, (58) Word has length 192 [2023-11-23 15:26:49,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:49,624 INFO L225 Difference]: With dead ends: 2360 [2023-11-23 15:26:49,624 INFO L226 Difference]: Without dead ends: 1677 [2023-11-23 15:26:49,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=289, Invalid=3017, Unknown=0, NotChecked=0, Total=3306 [2023-11-23 15:26:49,627 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 827 mSDsluCounter, 8026 mSDsCounter, 0 mSdLazyCounter, 13038 mSolverCounterSat, 734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 8462 SdHoareTripleChecker+Invalid, 13772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 734 IncrementalHoareTripleChecker+Valid, 13038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:49,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 8462 Invalid, 13772 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [734 Valid, 13038 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-11-23 15:26:49,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2023-11-23 15:26:49,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 1571. [2023-11-23 15:26:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1055 states have (on average 1.2834123222748814) internal successors, (1354), 1089 states have internal predecessors, (1354), 388 states have call successors, (388), 127 states have call predecessors, (388), 124 states have return successors, (394), 371 states have call predecessors, (394), 374 states have call successors, (394) [2023-11-23 15:26:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2136 transitions. [2023-11-23 15:26:49,765 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2136 transitions. Word has length 192 [2023-11-23 15:26:49,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:49,765 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2136 transitions. [2023-11-23 15:26:49,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 24 states have (on average 4.666666666666667) internal successors, (112), 23 states have internal predecessors, (112), 11 states have call successors, (57), 5 states have call predecessors, (57), 9 states have return successors, (58), 16 states have call predecessors, (58), 11 states have call successors, (58) [2023-11-23 15:26:49,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2136 transitions. [2023-11-23 15:26:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-23 15:26:49,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:49,767 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:49,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 15:26:49,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:26:49,982 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:49,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:49,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1405328110, now seen corresponding path program 1 times [2023-11-23 15:26:49,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:49,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63889864] [2023-11-23 15:26:49,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:49,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:26:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:26:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:26:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:26:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:26:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:26:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:26:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 15:26:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:26:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:26:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 15:26:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-23 15:26:50,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:50,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63889864] [2023-11-23 15:26:50,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63889864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:50,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:50,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 15:26:50,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644328125] [2023-11-23 15:26:50,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:50,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 15:26:50,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:50,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 15:26:50,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 15:26:50,200 INFO L87 Difference]: Start difference. First operand 1571 states and 2136 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 15:26:51,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:51,649 INFO L93 Difference]: Finished difference Result 3286 states and 4567 transitions. [2023-11-23 15:26:51,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 15:26:51,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 218 [2023-11-23 15:26:51,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:51,654 INFO L225 Difference]: With dead ends: 3286 [2023-11-23 15:26:51,654 INFO L226 Difference]: Without dead ends: 1735 [2023-11-23 15:26:51,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 15:26:51,658 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 240 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1874 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:51,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 1874 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 15:26:51,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2023-11-23 15:26:51,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1573. [2023-11-23 15:26:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1057 states have (on average 1.282876064333018) internal successors, (1356), 1091 states have internal predecessors, (1356), 388 states have call successors, (388), 127 states have call predecessors, (388), 124 states have return successors, (394), 371 states have call predecessors, (394), 374 states have call successors, (394) [2023-11-23 15:26:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2138 transitions. [2023-11-23 15:26:51,801 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2138 transitions. Word has length 218 [2023-11-23 15:26:51,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:51,801 INFO L495 AbstractCegarLoop]: Abstraction has 1573 states and 2138 transitions. [2023-11-23 15:26:51,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 15:26:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2138 transitions. [2023-11-23 15:26:51,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-23 15:26:51,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:51,803 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:51,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-23 15:26:51,803 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:51,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:51,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1420846828, now seen corresponding path program 1 times [2023-11-23 15:26:51,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:51,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501176381] [2023-11-23 15:26:51,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:51,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:51,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:51,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:26:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:26:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:26:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:26:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:26:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:26:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:26:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 15:26:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:26:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:26:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 15:26:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:52,122 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-23 15:26:52,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:52,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501176381] [2023-11-23 15:26:52,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501176381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:52,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:52,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:26:52,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821330447] [2023-11-23 15:26:52,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:52,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:26:52,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:52,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:26:52,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:26:52,125 INFO L87 Difference]: Start difference. First operand 1573 states and 2138 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 15:26:55,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:55,348 INFO L93 Difference]: Finished difference Result 1725 states and 2418 transitions. [2023-11-23 15:26:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 15:26:55,348 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 218 [2023-11-23 15:26:55,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:55,352 INFO L225 Difference]: With dead ends: 1725 [2023-11-23 15:26:55,353 INFO L226 Difference]: Without dead ends: 1722 [2023-11-23 15:26:55,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-23 15:26:55,354 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 1027 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 1977 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 3032 SdHoareTripleChecker+Invalid, 2342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 1977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:55,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 3032 Invalid, 2342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 1977 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-23 15:26:55,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2023-11-23 15:26:55,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1573. [2023-11-23 15:26:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1057 states have (on average 1.281929990539262) internal successors, (1355), 1091 states have internal predecessors, (1355), 388 states have call successors, (388), 127 states have call predecessors, (388), 124 states have return successors, (394), 371 states have call predecessors, (394), 374 states have call successors, (394) [2023-11-23 15:26:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2137 transitions. [2023-11-23 15:26:55,498 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2137 transitions. Word has length 218 [2023-11-23 15:26:55,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:55,499 INFO L495 AbstractCegarLoop]: Abstraction has 1573 states and 2137 transitions. [2023-11-23 15:26:55,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 15:26:55,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2137 transitions. [2023-11-23 15:26:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-11-23 15:26:55,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:55,501 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:55,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-23 15:26:55,501 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:55,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:55,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1467412116, now seen corresponding path program 1 times [2023-11-23 15:26:55,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:55,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934625999] [2023-11-23 15:26:55,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:55,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:26:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:26:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:26:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:26:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:26:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:26:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:26:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 15:26:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:26:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:26:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 15:26:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-23 15:26:55,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:55,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934625999] [2023-11-23 15:26:55,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934625999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:55,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:55,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 15:26:55,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462959759] [2023-11-23 15:26:55,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:55,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 15:26:55,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:55,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 15:26:55,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-23 15:26:55,836 INFO L87 Difference]: Start difference. First operand 1573 states and 2137 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 15:26:58,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:26:58,212 INFO L93 Difference]: Finished difference Result 3260 states and 4499 transitions. [2023-11-23 15:26:58,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 15:26:58,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 232 [2023-11-23 15:26:58,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:26:58,216 INFO L225 Difference]: With dead ends: 3260 [2023-11-23 15:26:58,216 INFO L226 Difference]: Without dead ends: 1707 [2023-11-23 15:26:58,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-23 15:26:58,221 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 218 mSDsluCounter, 2695 mSDsCounter, 0 mSdLazyCounter, 2345 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 3304 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 2345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 15:26:58,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 3304 Invalid, 2516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 2345 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 15:26:58,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2023-11-23 15:26:58,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1581. [2023-11-23 15:26:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1063 states have (on average 1.2803386641580432) internal successors, (1361), 1097 states have internal predecessors, (1361), 388 states have call successors, (388), 127 states have call predecessors, (388), 126 states have return successors, (398), 373 states have call predecessors, (398), 374 states have call successors, (398) [2023-11-23 15:26:58,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2147 transitions. [2023-11-23 15:26:58,363 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2147 transitions. Word has length 232 [2023-11-23 15:26:58,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:26:58,363 INFO L495 AbstractCegarLoop]: Abstraction has 1581 states and 2147 transitions. [2023-11-23 15:26:58,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 15:26:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2147 transitions. [2023-11-23 15:26:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-11-23 15:26:58,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:26:58,365 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:26:58,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-23 15:26:58,365 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:26:58,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:26:58,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1343432941, now seen corresponding path program 1 times [2023-11-23 15:26:58,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:26:58,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850012603] [2023-11-23 15:26:58,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:26:58,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:26:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:26:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:26:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:26:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:26:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:26:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:26:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:26:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:26:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:26:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:26:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:26:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 15:26:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:26:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:26:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 15:26:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:26:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 15:26:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:26:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:26:58,700 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 15:26:58,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:26:58,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850012603] [2023-11-23 15:26:58,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850012603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:26:58,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:26:58,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 15:26:58,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053592322] [2023-11-23 15:26:58,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:26:58,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 15:26:58,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:26:58,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 15:26:58,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-23 15:26:58,703 INFO L87 Difference]: Start difference. First operand 1581 states and 2147 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 15:27:01,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:01,212 INFO L93 Difference]: Finished difference Result 3334 states and 4627 transitions. [2023-11-23 15:27:01,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 15:27:01,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 261 [2023-11-23 15:27:01,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:01,216 INFO L225 Difference]: With dead ends: 3334 [2023-11-23 15:27:01,216 INFO L226 Difference]: Without dead ends: 1773 [2023-11-23 15:27:01,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-23 15:27:01,219 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 263 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 2760 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 3811 SdHoareTripleChecker+Invalid, 2950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 2760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:01,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 3811 Invalid, 2950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 2760 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 15:27:01,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2023-11-23 15:27:01,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1615. [2023-11-23 15:27:01,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1089 states have (on average 1.28099173553719) internal successors, (1395), 1123 states have internal predecessors, (1395), 396 states have call successors, (396), 127 states have call predecessors, (396), 126 states have return successors, (406), 381 states have call predecessors, (406), 382 states have call successors, (406) [2023-11-23 15:27:01,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 2197 transitions. [2023-11-23 15:27:01,372 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 2197 transitions. Word has length 261 [2023-11-23 15:27:01,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:01,373 INFO L495 AbstractCegarLoop]: Abstraction has 1615 states and 2197 transitions. [2023-11-23 15:27:01,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 15:27:01,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2197 transitions. [2023-11-23 15:27:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-11-23 15:27:01,374 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:01,374 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:01,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-23 15:27:01,375 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:01,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:01,375 INFO L85 PathProgramCache]: Analyzing trace with hash 108467877, now seen corresponding path program 1 times [2023-11-23 15:27:01,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:01,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542642010] [2023-11-23 15:27:01,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:01,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:27:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:27:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:27:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:27:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:27:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 15:27:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-23 15:27:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-23 15:27:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-23 15:27:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-23 15:27:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:01,899 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-23 15:27:01,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:01,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542642010] [2023-11-23 15:27:01,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542642010] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:27:01,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534296261] [2023-11-23 15:27:01,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:01,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:27:01,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:27:01,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:27:01,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 15:27:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:02,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 1974 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 15:27:02,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:27:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2023-11-23 15:27:02,729 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 15:27:02,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534296261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:27:02,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 15:27:02,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [9] total 21 [2023-11-23 15:27:02,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653401727] [2023-11-23 15:27:02,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:27:02,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 15:27:02,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:02,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 15:27:02,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=380, Unknown=0, NotChecked=0, Total=420 [2023-11-23 15:27:02,731 INFO L87 Difference]: Start difference. First operand 1615 states and 2197 transitions. Second operand has 14 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 5 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 6 states have call predecessors, (26), 5 states have call successors, (26) [2023-11-23 15:27:06,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:06,577 INFO L93 Difference]: Finished difference Result 3848 states and 5325 transitions. [2023-11-23 15:27:06,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 15:27:06,577 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 5 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 6 states have call predecessors, (26), 5 states have call successors, (26) Word has length 246 [2023-11-23 15:27:06,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:06,582 INFO L225 Difference]: With dead ends: 3848 [2023-11-23 15:27:06,582 INFO L226 Difference]: Without dead ends: 2251 [2023-11-23 15:27:06,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=840, Unknown=0, NotChecked=0, Total=930 [2023-11-23 15:27:06,587 INFO L413 NwaCegarLoop]: 1139 mSDtfsCounter, 256 mSDsluCounter, 13238 mSDsCounter, 0 mSdLazyCounter, 2122 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 14377 SdHoareTripleChecker+Invalid, 2143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:06,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 14377 Invalid, 2143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2122 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-23 15:27:06,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2023-11-23 15:27:06,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 1623. [2023-11-23 15:27:06,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1095 states have (on average 1.2794520547945205) internal successors, (1401), 1129 states have internal predecessors, (1401), 396 states have call successors, (396), 127 states have call predecessors, (396), 128 states have return successors, (410), 383 states have call predecessors, (410), 382 states have call successors, (410) [2023-11-23 15:27:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2207 transitions. [2023-11-23 15:27:06,739 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2207 transitions. Word has length 246 [2023-11-23 15:27:06,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:06,740 INFO L495 AbstractCegarLoop]: Abstraction has 1623 states and 2207 transitions. [2023-11-23 15:27:06,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 5 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 6 states have call predecessors, (26), 5 states have call successors, (26) [2023-11-23 15:27:06,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2207 transitions. [2023-11-23 15:27:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-11-23 15:27:06,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:06,742 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:06,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 15:27:06,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:27:06,957 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:06,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:06,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1535142924, now seen corresponding path program 1 times [2023-11-23 15:27:06,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:06,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288555569] [2023-11-23 15:27:06,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:06,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:27:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:27:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:27:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:27:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:27:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 15:27:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 15:27:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-23 15:27:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-23 15:27:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-23 15:27:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-23 15:27:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:07,570 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2023-11-23 15:27:07,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:07,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288555569] [2023-11-23 15:27:07,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288555569] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:27:07,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808921038] [2023-11-23 15:27:07,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:07,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:27:07,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:27:07,579 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:27:07,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 15:27:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:08,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 15:27:08,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:27:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2023-11-23 15:27:08,436 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 15:27:08,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808921038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:27:08,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 15:27:08,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [9] total 22 [2023-11-23 15:27:08,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102194354] [2023-11-23 15:27:08,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:27:08,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 15:27:08,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:08,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 15:27:08,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=420, Unknown=0, NotChecked=0, Total=462 [2023-11-23 15:27:08,438 INFO L87 Difference]: Start difference. First operand 1623 states and 2207 transitions. Second operand has 15 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 6 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27) [2023-11-23 15:27:12,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:12,553 INFO L93 Difference]: Finished difference Result 3880 states and 5377 transitions. [2023-11-23 15:27:12,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-23 15:27:12,553 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 6 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27) Word has length 275 [2023-11-23 15:27:12,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:12,559 INFO L225 Difference]: With dead ends: 3880 [2023-11-23 15:27:12,559 INFO L226 Difference]: Without dead ends: 2275 [2023-11-23 15:27:12,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=1019, Unknown=0, NotChecked=0, Total=1122 [2023-11-23 15:27:12,563 INFO L413 NwaCegarLoop]: 1124 mSDtfsCounter, 301 mSDsluCounter, 14194 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 15318 SdHoareTripleChecker+Invalid, 2284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:12,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 15318 Invalid, 2284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-23 15:27:12,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2023-11-23 15:27:12,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 1615. [2023-11-23 15:27:12,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1089 states have (on average 1.28099173553719) internal successors, (1395), 1123 states have internal predecessors, (1395), 396 states have call successors, (396), 127 states have call predecessors, (396), 126 states have return successors, (406), 381 states have call predecessors, (406), 382 states have call successors, (406) [2023-11-23 15:27:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 2197 transitions. [2023-11-23 15:27:12,720 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 2197 transitions. Word has length 275 [2023-11-23 15:27:12,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:12,721 INFO L495 AbstractCegarLoop]: Abstraction has 1615 states and 2197 transitions. [2023-11-23 15:27:12,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 6 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27) [2023-11-23 15:27:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2197 transitions. [2023-11-23 15:27:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-11-23 15:27:12,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:12,723 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:12,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 15:27:12,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2023-11-23 15:27:12,937 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting reach_error_linux_block_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:12,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:12,937 INFO L85 PathProgramCache]: Analyzing trace with hash 328748087, now seen corresponding path program 1 times [2023-11-23 15:27:12,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:12,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546294737] [2023-11-23 15:27:12,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:12,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:27:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:27:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:27:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 15:27:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 15:27:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 15:27:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 15:27:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-23 15:27:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 15:27:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-23 15:27:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 15:27:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-23 15:27:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 15:27:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 15:27:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 15:27:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-23 15:27:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-23 15:27:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 15:27:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-23 15:27:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-23 15:27:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-23 15:27:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-23 15:27:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 15:27:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 15:27:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1127 trivial. 0 not checked. [2023-11-23 15:27:13,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:13,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546294737] [2023-11-23 15:27:13,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546294737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:27:13,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:27:13,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 15:27:13,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710814230] [2023-11-23 15:27:13,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:27:13,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 15:27:13,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:13,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 15:27:13,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-23 15:27:13,258 INFO L87 Difference]: Start difference. First operand 1615 states and 2197 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-23 15:27:15,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:15,787 INFO L93 Difference]: Finished difference Result 1716 states and 2377 transitions. [2023-11-23 15:27:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 15:27:15,787 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 283 [2023-11-23 15:27:15,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:15,791 INFO L225 Difference]: With dead ends: 1716 [2023-11-23 15:27:15,791 INFO L226 Difference]: Without dead ends: 1713 [2023-11-23 15:27:15,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-23 15:27:15,797 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 1142 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 1989 SdHoareTripleChecker+Invalid, 3442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 926 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:15,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 1989 Invalid, 3442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [926 Valid, 2516 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 15:27:15,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2023-11-23 15:27:15,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1614. [2023-11-23 15:27:15,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1089 states have (on average 1.2791551882460974) internal successors, (1393), 1122 states have internal predecessors, (1393), 395 states have call successors, (395), 127 states have call predecessors, (395), 126 states have return successors, (406), 381 states have call predecessors, (406), 382 states have call successors, (406) [2023-11-23 15:27:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2194 transitions. [2023-11-23 15:27:15,951 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2194 transitions. Word has length 283 [2023-11-23 15:27:15,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:15,951 INFO L495 AbstractCegarLoop]: Abstraction has 1614 states and 2194 transitions. [2023-11-23 15:27:15,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-23 15:27:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2194 transitions. [2023-11-23 15:27:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2023-11-23 15:27:15,954 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:15,954 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:15,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-23 15:27:15,954 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:15,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:15,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1304773284, now seen corresponding path program 1 times [2023-11-23 15:27:15,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:15,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072077014] [2023-11-23 15:27:15,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:15,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:27:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:27:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:27:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:27:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:27:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 15:27:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 15:27:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-23 15:27:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:27:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-23 15:27:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2023-11-23 15:27:16,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:16,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072077014] [2023-11-23 15:27:16,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072077014] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:27:16,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644888022] [2023-11-23 15:27:16,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:16,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:27:16,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:27:16,616 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:27:16,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 15:27:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:17,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 2311 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 15:27:17,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:27:17,380 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-11-23 15:27:17,381 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 15:27:17,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644888022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:27:17,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 15:27:17,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2023-11-23 15:27:17,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432911504] [2023-11-23 15:27:17,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:27:17,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:27:17,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:17,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:27:17,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-11-23 15:27:17,383 INFO L87 Difference]: Start difference. First operand 1614 states and 2194 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 15:27:18,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:18,346 INFO L93 Difference]: Finished difference Result 3291 states and 4488 transitions. [2023-11-23 15:27:18,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 15:27:18,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 322 [2023-11-23 15:27:18,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:18,351 INFO L225 Difference]: With dead ends: 3291 [2023-11-23 15:27:18,352 INFO L226 Difference]: Without dead ends: 1697 [2023-11-23 15:27:18,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-11-23 15:27:18,356 INFO L413 NwaCegarLoop]: 811 mSDtfsCounter, 44 mSDsluCounter, 3173 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 3984 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:18,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 3984 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 15:27:18,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2023-11-23 15:27:18,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1654. [2023-11-23 15:27:18,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1119 states have (on average 1.2788203753351206) internal successors, (1431), 1152 states have internal predecessors, (1431), 403 states have call successors, (403), 127 states have call predecessors, (403), 128 states have return successors, (418), 391 states have call predecessors, (418), 390 states have call successors, (418) [2023-11-23 15:27:18,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2252 transitions. [2023-11-23 15:27:18,575 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2252 transitions. Word has length 322 [2023-11-23 15:27:18,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:18,576 INFO L495 AbstractCegarLoop]: Abstraction has 1654 states and 2252 transitions. [2023-11-23 15:27:18,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 15:27:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2252 transitions. [2023-11-23 15:27:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2023-11-23 15:27:18,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:18,579 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:18,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 15:27:18,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:27:18,795 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:18,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:18,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1767829137, now seen corresponding path program 1 times [2023-11-23 15:27:18,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:18,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807830567] [2023-11-23 15:27:18,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:18,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 15:27:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 15:27:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 15:27:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:27:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 15:27:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 15:27:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 15:27:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-23 15:27:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:27:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-23 15:27:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:19,486 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2023-11-23 15:27:19,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:19,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807830567] [2023-11-23 15:27:19,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807830567] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:27:19,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582751400] [2023-11-23 15:27:19,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:19,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:27:19,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:27:19,488 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:27:19,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 15:27:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:20,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 2328 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-23 15:27:20,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:27:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 143 proven. 3 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2023-11-23 15:27:20,352 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 15:27:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2023-11-23 15:27:20,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582751400] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 15:27:20,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 15:27:20,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 21 [2023-11-23 15:27:20,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945607549] [2023-11-23 15:27:20,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 15:27:20,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-23 15:27:20,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:20,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-23 15:27:20,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2023-11-23 15:27:20,727 INFO L87 Difference]: Start difference. First operand 1654 states and 2252 transitions. Second operand has 21 states, 17 states have (on average 11.058823529411764) internal successors, (188), 15 states have internal predecessors, (188), 5 states have call successors, (69), 4 states have call predecessors, (69), 7 states have return successors, (61), 8 states have call predecessors, (61), 5 states have call successors, (61) [2023-11-23 15:27:25,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:25,849 INFO L93 Difference]: Finished difference Result 3418 states and 4742 transitions. [2023-11-23 15:27:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 15:27:25,849 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 17 states have (on average 11.058823529411764) internal successors, (188), 15 states have internal predecessors, (188), 5 states have call successors, (69), 4 states have call predecessors, (69), 7 states have return successors, (61), 8 states have call predecessors, (61), 5 states have call successors, (61) Word has length 323 [2023-11-23 15:27:25,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:25,854 INFO L225 Difference]: With dead ends: 3418 [2023-11-23 15:27:25,854 INFO L226 Difference]: Without dead ends: 1778 [2023-11-23 15:27:25,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 764 GetRequests, 737 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=719, Unknown=0, NotChecked=0, Total=812 [2023-11-23 15:27:25,861 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 604 mSDsluCounter, 8148 mSDsCounter, 0 mSdLazyCounter, 6608 mSolverCounterSat, 360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 8741 SdHoareTripleChecker+Invalid, 6968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 6608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:25,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 8741 Invalid, 6968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 6608 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-23 15:27:25,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2023-11-23 15:27:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1662. [2023-11-23 15:27:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 1125 states have (on average 1.2764444444444445) internal successors, (1436), 1155 states have internal predecessors, (1436), 403 states have call successors, (403), 127 states have call predecessors, (403), 130 states have return successors, (444), 395 states have call predecessors, (444), 390 states have call successors, (444) [2023-11-23 15:27:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2283 transitions. [2023-11-23 15:27:26,027 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2283 transitions. Word has length 323 [2023-11-23 15:27:26,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:26,027 INFO L495 AbstractCegarLoop]: Abstraction has 1662 states and 2283 transitions. [2023-11-23 15:27:26,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 17 states have (on average 11.058823529411764) internal successors, (188), 15 states have internal predecessors, (188), 5 states have call successors, (69), 4 states have call predecessors, (69), 7 states have return successors, (61), 8 states have call predecessors, (61), 5 states have call successors, (61) [2023-11-23 15:27:26,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2283 transitions. [2023-11-23 15:27:26,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2023-11-23 15:27:26,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:26,030 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:26,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 15:27:26,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2023-11-23 15:27:26,246 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:26,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:26,246 INFO L85 PathProgramCache]: Analyzing trace with hash 803107689, now seen corresponding path program 1 times [2023-11-23 15:27:26,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:26,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869313659] [2023-11-23 15:27:26,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:26,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:27:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:27:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 15:27:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 15:27:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 15:27:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 15:27:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 15:27:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 15:27:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-23 15:27:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 15:27:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-11-23 15:27:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:26,772 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2023-11-23 15:27:26,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:26,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869313659] [2023-11-23 15:27:26,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869313659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:27:26,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:27:26,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 15:27:26,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301797033] [2023-11-23 15:27:26,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:27:26,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 15:27:26,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:26,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 15:27:26,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-23 15:27:26,774 INFO L87 Difference]: Start difference. First operand 1662 states and 2283 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (34), 5 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-11-23 15:27:28,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:28,679 INFO L93 Difference]: Finished difference Result 3438 states and 4802 transitions. [2023-11-23 15:27:28,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:27:28,679 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (34), 5 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 341 [2023-11-23 15:27:28,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:28,708 INFO L225 Difference]: With dead ends: 3438 [2023-11-23 15:27:28,709 INFO L226 Difference]: Without dead ends: 1796 [2023-11-23 15:27:28,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-23 15:27:28,712 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 447 mSDsluCounter, 1755 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 2347 SdHoareTripleChecker+Invalid, 1849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:28,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 2347 Invalid, 1849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 15:27:28,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2023-11-23 15:27:28,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1686. [2023-11-23 15:27:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1686 states, 1145 states have (on average 1.2786026200873362) internal successors, (1464), 1175 states have internal predecessors, (1464), 405 states have call successors, (405), 129 states have call predecessors, (405), 132 states have return successors, (446), 397 states have call predecessors, (446), 392 states have call successors, (446) [2023-11-23 15:27:28,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 2315 transitions. [2023-11-23 15:27:28,874 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 2315 transitions. Word has length 341 [2023-11-23 15:27:28,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:28,874 INFO L495 AbstractCegarLoop]: Abstraction has 1686 states and 2315 transitions. [2023-11-23 15:27:28,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (34), 5 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-11-23 15:27:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 2315 transitions. [2023-11-23 15:27:28,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2023-11-23 15:27:28,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:28,877 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 9, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:28,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-23 15:27:28,877 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:28,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:28,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1020407079, now seen corresponding path program 1 times [2023-11-23 15:27:28,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:28,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106554804] [2023-11-23 15:27:28,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:28,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:27:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:27:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 15:27:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 15:27:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 15:27:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 15:27:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 15:27:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 15:27:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-23 15:27:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-23 15:27:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2023-11-23 15:27:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:29,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2023-11-23 15:27:29,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:29,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106554804] [2023-11-23 15:27:29,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106554804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:27:29,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:27:29,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 15:27:29,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556108488] [2023-11-23 15:27:29,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:27:29,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 15:27:29,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:29,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 15:27:29,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 15:27:29,525 INFO L87 Difference]: Start difference. First operand 1686 states and 2315 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 15:27:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:31,479 INFO L93 Difference]: Finished difference Result 3473 states and 4834 transitions. [2023-11-23 15:27:31,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:27:31,479 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 401 [2023-11-23 15:27:31,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:31,484 INFO L225 Difference]: With dead ends: 3473 [2023-11-23 15:27:31,484 INFO L226 Difference]: Without dead ends: 1807 [2023-11-23 15:27:31,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-23 15:27:31,487 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 575 mSDsluCounter, 1920 mSDsCounter, 0 mSdLazyCounter, 1647 mSolverCounterSat, 558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 2525 SdHoareTripleChecker+Invalid, 2205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 558 IncrementalHoareTripleChecker+Valid, 1647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:31,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 2525 Invalid, 2205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [558 Valid, 1647 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 15:27:31,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2023-11-23 15:27:31,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1694. [2023-11-23 15:27:31,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1153 states have (on average 1.2775368603642672) internal successors, (1473), 1181 states have internal predecessors, (1473), 405 states have call successors, (405), 129 states have call predecessors, (405), 132 states have return successors, (446), 399 states have call predecessors, (446), 392 states have call successors, (446) [2023-11-23 15:27:31,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2324 transitions. [2023-11-23 15:27:31,710 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2324 transitions. Word has length 401 [2023-11-23 15:27:31,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:31,711 INFO L495 AbstractCegarLoop]: Abstraction has 1694 states and 2324 transitions. [2023-11-23 15:27:31,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 15:27:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2324 transitions. [2023-11-23 15:27:31,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2023-11-23 15:27:31,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:31,713 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 9, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:31,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-23 15:27:31,714 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:31,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:31,714 INFO L85 PathProgramCache]: Analyzing trace with hash -259456599, now seen corresponding path program 1 times [2023-11-23 15:27:31,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:31,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951345541] [2023-11-23 15:27:31,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:31,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:27:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:27:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 15:27:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 15:27:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 15:27:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 15:27:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 15:27:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 15:27:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-23 15:27:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-23 15:27:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2023-11-23 15:27:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:32,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1253 trivial. 0 not checked. [2023-11-23 15:27:32,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:32,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951345541] [2023-11-23 15:27:32,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951345541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:27:32,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:27:32,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 15:27:32,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356230067] [2023-11-23 15:27:32,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:27:32,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 15:27:32,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:32,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 15:27:32,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 15:27:32,352 INFO L87 Difference]: Start difference. First operand 1694 states and 2324 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-23 15:27:34,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:34,118 INFO L93 Difference]: Finished difference Result 3518 states and 4906 transitions. [2023-11-23 15:27:34,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 15:27:34,119 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 401 [2023-11-23 15:27:34,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:34,123 INFO L225 Difference]: With dead ends: 3518 [2023-11-23 15:27:34,123 INFO L226 Difference]: Without dead ends: 1844 [2023-11-23 15:27:34,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-23 15:27:34,126 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 407 mSDsluCounter, 1769 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 1824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:34,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 2375 Invalid, 1824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 15:27:34,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2023-11-23 15:27:34,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1704. [2023-11-23 15:27:34,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1163 states have (on average 1.2803095442820291) internal successors, (1489), 1191 states have internal predecessors, (1489), 405 states have call successors, (405), 129 states have call predecessors, (405), 132 states have return successors, (446), 399 states have call predecessors, (446), 392 states have call successors, (446) [2023-11-23 15:27:34,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2340 transitions. [2023-11-23 15:27:34,295 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2340 transitions. Word has length 401 [2023-11-23 15:27:34,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:34,296 INFO L495 AbstractCegarLoop]: Abstraction has 1704 states and 2340 transitions. [2023-11-23 15:27:34,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-23 15:27:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2340 transitions. [2023-11-23 15:27:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2023-11-23 15:27:34,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:34,298 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:34,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-23 15:27:34,298 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:34,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash -2064662665, now seen corresponding path program 1 times [2023-11-23 15:27:34,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:34,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064215243] [2023-11-23 15:27:34,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:34,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:27:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:27:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 15:27:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 15:27:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 15:27:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 15:27:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 15:27:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 15:27:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:27:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 15:27:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:27:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-23 15:27:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2023-11-23 15:27:35,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:35,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064215243] [2023-11-23 15:27:35,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064215243] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:27:35,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29706217] [2023-11-23 15:27:35,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:35,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:27:35,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:27:35,401 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:27:35,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 15:27:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:36,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 2438 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-23 15:27:36,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:27:36,429 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 88 proven. 3 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-11-23 15:27:36,429 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 15:27:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 58 proven. 5 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2023-11-23 15:27:37,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29706217] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 15:27:37,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 15:27:37,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 10] total 29 [2023-11-23 15:27:37,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898375112] [2023-11-23 15:27:37,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 15:27:37,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-23 15:27:37,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:37,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-23 15:27:37,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=745, Unknown=0, NotChecked=0, Total=812 [2023-11-23 15:27:37,162 INFO L87 Difference]: Start difference. First operand 1704 states and 2340 transitions. Second operand has 29 states, 24 states have (on average 5.958333333333333) internal successors, (143), 20 states have internal predecessors, (143), 5 states have call successors, (53), 5 states have call predecessors, (53), 9 states have return successors, (46), 10 states have call predecessors, (46), 5 states have call successors, (46) [2023-11-23 15:27:43,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:43,604 INFO L93 Difference]: Finished difference Result 3894 states and 5571 transitions. [2023-11-23 15:27:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 15:27:43,605 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 24 states have (on average 5.958333333333333) internal successors, (143), 20 states have internal predecessors, (143), 5 states have call successors, (53), 5 states have call predecessors, (53), 9 states have return successors, (46), 10 states have call predecessors, (46), 5 states have call successors, (46) Word has length 335 [2023-11-23 15:27:43,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:43,609 INFO L225 Difference]: With dead ends: 3894 [2023-11-23 15:27:43,609 INFO L226 Difference]: Without dead ends: 2210 [2023-11-23 15:27:43,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 805 GetRequests, 766 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=147, Invalid=1493, Unknown=0, NotChecked=0, Total=1640 [2023-11-23 15:27:43,613 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 361 mSDsluCounter, 11218 mSDsCounter, 0 mSdLazyCounter, 8269 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 11864 SdHoareTripleChecker+Invalid, 8454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 8269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:43,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 11864 Invalid, 8454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 8269 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-11-23 15:27:43,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2023-11-23 15:27:43,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 1724. [2023-11-23 15:27:43,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1181 states have (on average 1.2760372565622353) internal successors, (1507), 1203 states have internal predecessors, (1507), 405 states have call successors, (405), 129 states have call predecessors, (405), 134 states have return successors, (448), 407 states have call predecessors, (448), 392 states have call successors, (448) [2023-11-23 15:27:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2360 transitions. [2023-11-23 15:27:43,783 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2360 transitions. Word has length 335 [2023-11-23 15:27:43,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:43,783 INFO L495 AbstractCegarLoop]: Abstraction has 1724 states and 2360 transitions. [2023-11-23 15:27:43,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 24 states have (on average 5.958333333333333) internal successors, (143), 20 states have internal predecessors, (143), 5 states have call successors, (53), 5 states have call predecessors, (53), 9 states have return successors, (46), 10 states have call predecessors, (46), 5 states have call successors, (46) [2023-11-23 15:27:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2360 transitions. [2023-11-23 15:27:43,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2023-11-23 15:27:43,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:43,786 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:43,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 15:27:43,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2023-11-23 15:27:43,989 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:43,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:43,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1417365211, now seen corresponding path program 1 times [2023-11-23 15:27:43,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:43,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842804032] [2023-11-23 15:27:43,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:43,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:27:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:27:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 15:27:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 15:27:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 15:27:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 15:27:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 15:27:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 15:27:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:27:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 15:27:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 15:27:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 15:27:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-23 15:27:44,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:44,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842804032] [2023-11-23 15:27:44,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842804032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:27:44,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:27:44,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 15:27:44,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157450232] [2023-11-23 15:27:44,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:27:44,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 15:27:44,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:44,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 15:27:44,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 15:27:44,360 INFO L87 Difference]: Start difference. First operand 1724 states and 2360 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 15:27:46,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:46,459 INFO L93 Difference]: Finished difference Result 3878 states and 5459 transitions. [2023-11-23 15:27:46,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 15:27:46,460 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 320 [2023-11-23 15:27:46,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:46,466 INFO L225 Difference]: With dead ends: 3878 [2023-11-23 15:27:46,466 INFO L226 Difference]: Without dead ends: 2174 [2023-11-23 15:27:46,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 15:27:46,470 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 386 mSDsluCounter, 2201 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 2854 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:46,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 2854 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-23 15:27:46,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2023-11-23 15:27:46,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 1724. [2023-11-23 15:27:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1181 states have (on average 1.2743437764606267) internal successors, (1505), 1203 states have internal predecessors, (1505), 405 states have call successors, (405), 129 states have call predecessors, (405), 134 states have return successors, (448), 407 states have call predecessors, (448), 392 states have call successors, (448) [2023-11-23 15:27:46,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2358 transitions. [2023-11-23 15:27:46,702 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2358 transitions. Word has length 320 [2023-11-23 15:27:46,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:46,703 INFO L495 AbstractCegarLoop]: Abstraction has 1724 states and 2358 transitions. [2023-11-23 15:27:46,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 15:27:46,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2358 transitions. [2023-11-23 15:27:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-11-23 15:27:46,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:46,705 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:46,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-23 15:27:46,706 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:46,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:46,706 INFO L85 PathProgramCache]: Analyzing trace with hash -478674850, now seen corresponding path program 1 times [2023-11-23 15:27:46,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:46,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733229482] [2023-11-23 15:27:46,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:27:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:27:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 15:27:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 15:27:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 15:27:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 15:27:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 15:27:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:27:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:27:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 15:27:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 15:27:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2023-11-23 15:27:47,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:47,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733229482] [2023-11-23 15:27:47,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733229482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:27:47,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:27:47,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-23 15:27:47,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048113830] [2023-11-23 15:27:47,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:27:47,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 15:27:47,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:47,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 15:27:47,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-11-23 15:27:47,897 INFO L87 Difference]: Start difference. First operand 1724 states and 2358 transitions. Second operand has 13 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (34), 5 states have call predecessors, (34), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 15:27:50,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:50,871 INFO L93 Difference]: Finished difference Result 3556 states and 4991 transitions. [2023-11-23 15:27:50,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 15:27:50,871 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (34), 5 states have call predecessors, (34), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) Word has length 306 [2023-11-23 15:27:50,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:50,876 INFO L225 Difference]: With dead ends: 3556 [2023-11-23 15:27:50,876 INFO L226 Difference]: Without dead ends: 1852 [2023-11-23 15:27:50,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2023-11-23 15:27:50,879 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 414 mSDsluCounter, 4498 mSDsCounter, 0 mSdLazyCounter, 3552 mSolverCounterSat, 371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 5101 SdHoareTripleChecker+Invalid, 3923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 371 IncrementalHoareTripleChecker+Valid, 3552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:50,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 5101 Invalid, 3923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [371 Valid, 3552 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-23 15:27:50,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2023-11-23 15:27:51,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1732. [2023-11-23 15:27:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1187 states have (on average 1.2729570345408594) internal successors, (1511), 1209 states have internal predecessors, (1511), 405 states have call successors, (405), 129 states have call predecessors, (405), 136 states have return successors, (483), 409 states have call predecessors, (483), 392 states have call successors, (483) [2023-11-23 15:27:51,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2399 transitions. [2023-11-23 15:27:51,044 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2399 transitions. Word has length 306 [2023-11-23 15:27:51,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:51,044 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 2399 transitions. [2023-11-23 15:27:51,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (34), 5 states have call predecessors, (34), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 15:27:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2399 transitions. [2023-11-23 15:27:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-11-23 15:27:51,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:51,046 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:51,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-23 15:27:51,047 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:51,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:51,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2097649764, now seen corresponding path program 1 times [2023-11-23 15:27:51,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:51,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772278382] [2023-11-23 15:27:51,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:51,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:27:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:27:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 15:27:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 15:27:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 15:27:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 15:27:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 15:27:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:27:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:27:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 15:27:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:52,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:52,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 15:27:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:52,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2023-11-23 15:27:52,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:52,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772278382] [2023-11-23 15:27:52,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772278382] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:27:52,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253264441] [2023-11-23 15:27:52,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:52,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:27:52,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:27:52,014 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:27:52,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 15:27:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:52,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 2340 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-23 15:27:52,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:27:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2023-11-23 15:27:52,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 15:27:52,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253264441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:27:52,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 15:27:52,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 12 [2023-11-23 15:27:52,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874072278] [2023-11-23 15:27:52,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:27:52,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 15:27:52,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:27:52,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 15:27:52,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-23 15:27:52,905 INFO L87 Difference]: Start difference. First operand 1732 states and 2399 transitions. Second operand has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (35), 4 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-23 15:27:54,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:27:54,097 INFO L93 Difference]: Finished difference Result 3456 states and 4800 transitions. [2023-11-23 15:27:54,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 15:27:54,098 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (35), 4 states have call predecessors, (35), 2 states have call successors, (35) Word has length 306 [2023-11-23 15:27:54,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:27:54,102 INFO L225 Difference]: With dead ends: 3456 [2023-11-23 15:27:54,102 INFO L226 Difference]: Without dead ends: 1744 [2023-11-23 15:27:54,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-23 15:27:54,110 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 0 mSDsluCounter, 3982 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4779 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 15:27:54,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4779 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 15:27:54,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2023-11-23 15:27:54,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1736. [2023-11-23 15:27:54,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1191 states have (on average 1.2720403022670026) internal successors, (1515), 1211 states have internal predecessors, (1515), 405 states have call successors, (405), 129 states have call predecessors, (405), 136 states have return successors, (483), 411 states have call predecessors, (483), 392 states have call successors, (483) [2023-11-23 15:27:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2403 transitions. [2023-11-23 15:27:54,334 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2403 transitions. Word has length 306 [2023-11-23 15:27:54,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:27:54,334 INFO L495 AbstractCegarLoop]: Abstraction has 1736 states and 2403 transitions. [2023-11-23 15:27:54,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (35), 4 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-23 15:27:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2403 transitions. [2023-11-23 15:27:54,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2023-11-23 15:27:54,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:27:54,336 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:27:54,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 15:27:54,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:27:54,554 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2023-11-23 15:27:54,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:27:54,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1724147714, now seen corresponding path program 2 times [2023-11-23 15:27:54,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:27:54,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157789179] [2023-11-23 15:27:54,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:27:54,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:27:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 15:27:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 15:27:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:27:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 15:27:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 15:27:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 15:27:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 15:27:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 15:27:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 15:27:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:58,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 15:27:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 15:27:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:27:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 15:27:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 15:27:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 15:27:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 15:27:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:27:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-23 15:27:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 15:27:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-23 15:27:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:27:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:27:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 19 proven. 42 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2023-11-23 15:27:59,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:27:59,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157789179] [2023-11-23 15:27:59,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157789179] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:27:59,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530547568] [2023-11-23 15:27:59,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 15:27:59,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:27:59,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:27:59,957 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:27:59,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-23 15:28:01,052 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 15:28:01,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 15:28:01,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 2391 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-23 15:28:01,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:28:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 215 proven. 2 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-23 15:28:01,854 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 15:28:04,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530547568] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:28:04,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 15:28:04,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 17] total 46 [2023-11-23 15:28:04,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494148123] [2023-11-23 15:28:04,649 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 15:28:04,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-23 15:28:04,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:28:04,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-23 15:28:04,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=2588, Unknown=1, NotChecked=0, Total=2756 [2023-11-23 15:28:04,651 INFO L87 Difference]: Start difference. First operand 1736 states and 2403 transitions. Second operand has 46 states, 39 states have (on average 5.153846153846154) internal successors, (201), 39 states have internal predecessors, (201), 18 states have call successors, (68), 6 states have call predecessors, (68), 13 states have return successors, (60), 18 states have call predecessors, (60), 18 states have call successors, (60) [2023-11-23 15:28:07,258 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 [0] [2023-11-23 15:28:09,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:11,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:13,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:16,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:20,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:23,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:25,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:27,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:30,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:33,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:35,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:37,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:40,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:42,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:44,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:46,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:48,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:50,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:52,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:55,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:57,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:28:59,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:29:01,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:29:03,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:29:05,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:29:07,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 15:29:09,467 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 [0] Killed by 15