./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:21:07,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:21:07,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:21:07,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:21:07,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:21:07,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:21:07,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:21:07,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:21:07,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:21:07,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:21:07,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:21:07,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:21:07,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:21:07,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:21:07,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:21:07,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:21:07,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:21:07,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:21:07,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:21:07,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:21:07,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:21:07,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:21:07,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:21:07,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:21:07,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:21:07,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:21:07,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:21:07,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:21:07,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:21:07,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:21:07,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:21:07,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:21:07,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:21:07,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:21:07,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:21:07,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:21:07,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:21:07,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:21:07,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:21:07,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:21:07,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:21:07,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 02:21:07,456 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:21:07,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:21:07,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:21:07,458 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:21:07,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:21:07,459 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:21:07,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:21:07,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:21:07,461 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:21:07,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:21:07,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:21:07,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:21:07,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:21:07,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:21:07,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:21:07,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:21:07,463 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:21:07,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:21:07,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:21:07,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:21:07,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:21:07,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:21:07,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:21:07,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:21:07,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:21:07,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:21:07,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:21:07,466 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:21:07,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:21:07,466 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:21:07,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:21:07,467 INFO L138 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2022-11-23 02:21:07,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:21:07,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:21:07,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:21:07,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:21:07,882 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:21:07,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-11-23 02:21:11,664 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:21:12,428 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:21:12,429 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-11-23 02:21:12,488 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/data/df79207c0/7014d2fdca73490ea07ea6170482f5c1/FLAG7d7bcb3bf [2022-11-23 02:21:12,507 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/data/df79207c0/7014d2fdca73490ea07ea6170482f5c1 [2022-11-23 02:21:12,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:21:12,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:21:12,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:21:12,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:21:12,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:21:12,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:12" (1/1) ... [2022-11-23 02:21:12,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c13a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:12, skipping insertion in model container [2022-11-23 02:21:12,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:12" (1/1) ... [2022-11-23 02:21:12,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:21:12,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:21:16,231 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2022-11-23 02:21:16,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:21:16,338 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:21:16,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2022-11-23 02:21:16,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:21:17,094 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:21:17,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17 WrapperNode [2022-11-23 02:21:17,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:21:17,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:21:17,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:21:17,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:21:17,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (1/1) ... [2022-11-23 02:21:17,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (1/1) ... [2022-11-23 02:21:17,569 INFO L138 Inliner]: procedures = 414, calls = 2190, calls flagged for inlining = 245, calls inlined = 230, statements flattened = 5710 [2022-11-23 02:21:17,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:21:17,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:21:17,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:21:17,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:21:17,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (1/1) ... [2022-11-23 02:21:17,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (1/1) ... [2022-11-23 02:21:17,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (1/1) ... [2022-11-23 02:21:17,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (1/1) ... [2022-11-23 02:21:17,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (1/1) ... [2022-11-23 02:21:17,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (1/1) ... [2022-11-23 02:21:17,981 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (1/1) ... [2022-11-23 02:21:18,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (1/1) ... [2022-11-23 02:21:18,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:21:18,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:21:18,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:21:18,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:21:18,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (1/1) ... [2022-11-23 02:21:18,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:21:18,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:21:18,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:21:18,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:21:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 02:21:18,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 02:21:18,188 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 02:21:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 02:21:18,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 02:21:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 02:21:18,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 02:21:18,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 02:21:18,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2022-11-23 02:21:18,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2022-11-23 02:21:18,190 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-23 02:21:18,190 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-23 02:21:18,190 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 02:21:18,191 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 02:21:18,191 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 02:21:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 02:21:18,192 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2022-11-23 02:21:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2022-11-23 02:21:18,192 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2022-11-23 02:21:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2022-11-23 02:21:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 02:21:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 02:21:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2022-11-23 02:21:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2022-11-23 02:21:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 02:21:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 02:21:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 02:21:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 02:21:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 02:21:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 02:21:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 02:21:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 02:21:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-23 02:21:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-23 02:21:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 02:21:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 02:21:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:21:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2022-11-23 02:21:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2022-11-23 02:21:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 02:21:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 02:21:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-23 02:21:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-23 02:21:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 02:21:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 02:21:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 02:21:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-23 02:21:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-23 02:21:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 02:21:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 02:21:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-23 02:21:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-23 02:21:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 02:21:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 02:21:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 02:21:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:21:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 02:21:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 02:21:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2022-11-23 02:21:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2022-11-23 02:21:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 02:21:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 02:21:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-23 02:21:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-23 02:21:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2022-11-23 02:21:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2022-11-23 02:21:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 02:21:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 02:21:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2022-11-23 02:21:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2022-11-23 02:21:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2022-11-23 02:21:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2022-11-23 02:21:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 02:21:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-23 02:21:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-23 02:21:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2022-11-23 02:21:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2022-11-23 02:21:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-23 02:21:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-23 02:21:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:21:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 02:21:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 02:21:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2022-11-23 02:21:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2022-11-23 02:21:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 02:21:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 02:21:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 02:21:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 02:21:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 02:21:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-23 02:21:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-23 02:21:18,216 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 02:21:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 02:21:18,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 02:21:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 02:21:18,216 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 02:21:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 02:21:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-23 02:21:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-23 02:21:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-23 02:21:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-23 02:21:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:21:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:21:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 02:21:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 02:21:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-23 02:21:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-23 02:21:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 02:21:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 02:21:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 02:21:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 02:21:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-23 02:21:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-23 02:21:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2022-11-23 02:21:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2022-11-23 02:21:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 02:21:18,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 02:21:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2022-11-23 02:21:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2022-11-23 02:21:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2022-11-23 02:21:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2022-11-23 02:21:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2022-11-23 02:21:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2022-11-23 02:21:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 02:21:18,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 02:21:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2022-11-23 02:21:18,229 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2022-11-23 02:21:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2022-11-23 02:21:18,235 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2022-11-23 02:21:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2022-11-23 02:21:18,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2022-11-23 02:21:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2022-11-23 02:21:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2022-11-23 02:21:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2022-11-23 02:21:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2022-11-23 02:21:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2022-11-23 02:21:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2022-11-23 02:21:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2022-11-23 02:21:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2022-11-23 02:21:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-23 02:21:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-23 02:21:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 02:21:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 02:21:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2022-11-23 02:21:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2022-11-23 02:21:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:21:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-11-23 02:21:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-11-23 02:21:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-23 02:21:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-23 02:21:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 02:21:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 02:21:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-11-23 02:21:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-11-23 02:21:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 02:21:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2022-11-23 02:21:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2022-11-23 02:21:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-11-23 02:21:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-11-23 02:21:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 02:21:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2022-11-23 02:21:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2022-11-23 02:21:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2022-11-23 02:21:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2022-11-23 02:21:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 02:21:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 02:21:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 02:21:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 02:21:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2022-11-23 02:21:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2022-11-23 02:21:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 02:21:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 02:21:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2022-11-23 02:21:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2022-11-23 02:21:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-11-23 02:21:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-11-23 02:21:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 02:21:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 02:21:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2022-11-23 02:21:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2022-11-23 02:21:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 02:21:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 02:21:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 02:21:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 02:21:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 02:21:18,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 02:21:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 02:21:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 02:21:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2022-11-23 02:21:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2022-11-23 02:21:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 02:21:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 02:21:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 02:21:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 02:21:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:21:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 02:21:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 02:21:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2022-11-23 02:21:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2022-11-23 02:21:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 02:21:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 02:21:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2022-11-23 02:21:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2022-11-23 02:21:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2022-11-23 02:21:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2022-11-23 02:21:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2022-11-23 02:21:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2022-11-23 02:21:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-23 02:21:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-23 02:21:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-11-23 02:21:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-11-23 02:21:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 02:21:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 02:21:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-11-23 02:21:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-11-23 02:21:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-23 02:21:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-23 02:21:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:21:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 02:21:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 02:21:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-23 02:21:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-23 02:21:19,569 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:21:19,578 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:21:19,693 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 02:21:28,878 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:21:28,900 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:21:28,901 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 02:21:28,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:28 BoogieIcfgContainer [2022-11-23 02:21:28,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:21:28,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:21:28,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:21:28,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:21:28,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:21:12" (1/3) ... [2022-11-23 02:21:28,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c7b4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:21:28, skipping insertion in model container [2022-11-23 02:21:28,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17" (2/3) ... [2022-11-23 02:21:28,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c7b4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:21:28, skipping insertion in model container [2022-11-23 02:21:28,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:28" (3/3) ... [2022-11-23 02:21:28,921 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-11-23 02:21:28,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:21:28,953 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:21:29,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:21:29,101 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@617a219f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:21:29,102 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:21:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 1902 states, 1318 states have (on average 1.2511380880121397) internal successors, (1649), 1345 states have internal predecessors, (1649), 480 states have call successors, (480), 103 states have call predecessors, (480), 102 states have return successors, (474), 469 states have call predecessors, (474), 474 states have call successors, (474) [2022-11-23 02:21:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-23 02:21:29,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:21:29,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:21:29,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:21:29,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:21:29,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1377079052, now seen corresponding path program 1 times [2022-11-23 02:21:29,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:21:29,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984388042] [2022-11-23 02:21:29,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:29,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:21:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:21:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:21:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:30,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:21:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:30,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:30,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 02:21:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:30,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:21:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 02:21:30,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:21:30,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984388042] [2022-11-23 02:21:30,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984388042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:21:30,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:21:30,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:21:30,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106311676] [2022-11-23 02:21:30,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:21:30,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 02:21:30,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:21:30,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:21:30,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:21:30,925 INFO L87 Difference]: Start difference. First operand has 1902 states, 1318 states have (on average 1.2511380880121397) internal successors, (1649), 1345 states have internal predecessors, (1649), 480 states have call successors, (480), 103 states have call predecessors, (480), 102 states have return successors, (474), 469 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 02:21:31,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:21:31,585 INFO L93 Difference]: Finished difference Result 3783 states and 5237 transitions. [2022-11-23 02:21:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:21:31,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2022-11-23 02:21:31,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:21:31,641 INFO L225 Difference]: With dead ends: 3783 [2022-11-23 02:21:31,641 INFO L226 Difference]: Without dead ends: 1892 [2022-11-23 02:21:31,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 02:21:31,674 INFO L413 NwaCegarLoop]: 2587 mSDtfsCounter, 2574 mSDsluCounter, 5169 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 7756 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:21:31,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 7756 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:21:31,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2022-11-23 02:21:32,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1892. [2022-11-23 02:21:32,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1315 states have (on average 1.2403041825095058) internal successors, (1631), 1338 states have internal predecessors, (1631), 474 states have call successors, (474), 103 states have call predecessors, (474), 102 states have return successors, (471), 466 states have call predecessors, (471), 471 states have call successors, (471) [2022-11-23 02:21:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2576 transitions. [2022-11-23 02:21:32,064 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2576 transitions. Word has length 48 [2022-11-23 02:21:32,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:21:32,065 INFO L495 AbstractCegarLoop]: Abstraction has 1892 states and 2576 transitions. [2022-11-23 02:21:32,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 02:21:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2576 transitions. [2022-11-23 02:21:32,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-23 02:21:32,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:21:32,069 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:21:32,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:21:32,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:21:32,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:21:32,071 INFO L85 PathProgramCache]: Analyzing trace with hash -468534672, now seen corresponding path program 1 times [2022-11-23 02:21:32,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:21:32,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773803508] [2022-11-23 02:21:32,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:32,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:21:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:21:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:32,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:21:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:21:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 02:21:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:21:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:21:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 02:21:32,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:21:32,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773803508] [2022-11-23 02:21:32,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773803508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:21:32,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:21:32,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:21:32,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308610181] [2022-11-23 02:21:32,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:21:32,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 02:21:32,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:21:32,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:21:32,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:21:32,849 INFO L87 Difference]: Start difference. First operand 1892 states and 2576 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 02:21:33,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:21:33,311 INFO L93 Difference]: Finished difference Result 3730 states and 5121 transitions. [2022-11-23 02:21:33,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:21:33,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-11-23 02:21:33,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:21:33,349 INFO L225 Difference]: With dead ends: 3730 [2022-11-23 02:21:33,349 INFO L226 Difference]: Without dead ends: 3728 [2022-11-23 02:21:33,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 02:21:33,355 INFO L413 NwaCegarLoop]: 3511 mSDtfsCounter, 2580 mSDsluCounter, 9518 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2582 SdHoareTripleChecker+Valid, 13029 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:21:33,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2582 Valid, 13029 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:21:33,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2022-11-23 02:21:33,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3703. [2022-11-23 02:21:33,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3703 states, 2577 states have (on average 1.239813736903376) internal successors, (3195), 2622 states have internal predecessors, (3195), 923 states have call successors, (923), 205 states have call predecessors, (923), 202 states have return successors, (969), 906 states have call predecessors, (969), 917 states have call successors, (969) [2022-11-23 02:21:33,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 3703 states and 5087 transitions. [2022-11-23 02:21:33,670 INFO L78 Accepts]: Start accepts. Automaton has 3703 states and 5087 transitions. Word has length 53 [2022-11-23 02:21:33,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:21:33,671 INFO L495 AbstractCegarLoop]: Abstraction has 3703 states and 5087 transitions. [2022-11-23 02:21:33,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 02:21:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 3703 states and 5087 transitions. [2022-11-23 02:21:33,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 02:21:33,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:21:33,674 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-23 02:21:33,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:21:33,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:21:33,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:21:33,676 INFO L85 PathProgramCache]: Analyzing trace with hash -741927372, now seen corresponding path program 1 times [2022-11-23 02:21:33,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:21:33,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622981447] [2022-11-23 02:21:33,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:33,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:21:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:21:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:21:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:21:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:34,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 02:21:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:21:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:21:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:34,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 02:21:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 02:21:34,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:21:34,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622981447] [2022-11-23 02:21:34,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622981447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:21:34,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:21:34,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:21:34,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257078170] [2022-11-23 02:21:34,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:21:34,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 02:21:34,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:21:34,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:21:34,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:21:34,570 INFO L87 Difference]: Start difference. First operand 3703 states and 5087 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 02:21:35,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:21:35,291 INFO L93 Difference]: Finished difference Result 7356 states and 10236 transitions. [2022-11-23 02:21:35,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:21:35,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 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 58 [2022-11-23 02:21:35,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:21:35,368 INFO L225 Difference]: With dead ends: 7356 [2022-11-23 02:21:35,368 INFO L226 Difference]: Without dead ends: 7352 [2022-11-23 02:21:35,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 02:21:35,377 INFO L413 NwaCegarLoop]: 3094 mSDtfsCounter, 2580 mSDsluCounter, 8690 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 11784 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:21:35,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2581 Valid, 11784 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:21:35,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7352 states. [2022-11-23 02:21:35,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7352 to 7313. [2022-11-23 02:21:35,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7313 states, 5093 states have (on average 1.2397408207343412) internal successors, (6314), 5181 states have internal predecessors, (6314), 1819 states have call successors, (1819), 408 states have call predecessors, (1819), 400 states have return successors, (2049), 1784 states have call predecessors, (2049), 1807 states have call successors, (2049) [2022-11-23 02:21:36,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7313 states to 7313 states and 10182 transitions. [2022-11-23 02:21:36,058 INFO L78 Accepts]: Start accepts. Automaton has 7313 states and 10182 transitions. Word has length 58 [2022-11-23 02:21:36,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:21:36,059 INFO L495 AbstractCegarLoop]: Abstraction has 7313 states and 10182 transitions. [2022-11-23 02:21:36,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 02:21:36,060 INFO L276 IsEmpty]: Start isEmpty. Operand 7313 states and 10182 transitions. [2022-11-23 02:21:36,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-23 02:21:36,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:21:36,063 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-23 02:21:36,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:21:36,063 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:21:36,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:21:36,064 INFO L85 PathProgramCache]: Analyzing trace with hash 954685168, now seen corresponding path program 1 times [2022-11-23 02:21:36,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:21:36,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199054754] [2022-11-23 02:21:36,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:36,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:21:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:21:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:21:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:21:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 02:21:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:21:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-23 02:21:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-23 02:21:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 02:21:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-23 02:21:36,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:21:36,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199054754] [2022-11-23 02:21:36,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199054754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:21:36,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:21:36,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:21:36,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780835523] [2022-11-23 02:21:36,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:21:36,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 02:21:36,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:21:36,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:21:36,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:21:36,782 INFO L87 Difference]: Start difference. First operand 7313 states and 10182 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 02:21:37,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:21:37,841 INFO L93 Difference]: Finished difference Result 14617 states and 20787 transitions. [2022-11-23 02:21:37,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:21:37,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 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 70 [2022-11-23 02:21:37,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:21:38,037 INFO L225 Difference]: With dead ends: 14617 [2022-11-23 02:21:38,037 INFO L226 Difference]: Without dead ends: 14547 [2022-11-23 02:21:38,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 02:21:38,060 INFO L413 NwaCegarLoop]: 3176 mSDtfsCounter, 2579 mSDsluCounter, 8909 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 12085 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:21:38,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 12085 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:21:38,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14547 states. [2022-11-23 02:21:39,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14547 to 14537. [2022-11-23 02:21:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14537 states, 10130 states have (on average 1.240375123395854) internal successors, (12565), 10304 states have internal predecessors, (12565), 3613 states have call successors, (3613), 807 states have call predecessors, (3613), 793 states have return successors, (4516), 3546 states have call predecessors, (4516), 3592 states have call successors, (4516) [2022-11-23 02:21:39,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14537 states to 14537 states and 20694 transitions. [2022-11-23 02:21:39,701 INFO L78 Accepts]: Start accepts. Automaton has 14537 states and 20694 transitions. Word has length 70 [2022-11-23 02:21:39,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:21:39,702 INFO L495 AbstractCegarLoop]: Abstraction has 14537 states and 20694 transitions. [2022-11-23 02:21:39,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 02:21:39,704 INFO L276 IsEmpty]: Start isEmpty. Operand 14537 states and 20694 transitions. [2022-11-23 02:21:39,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-23 02:21:39,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:21:39,797 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:21:39,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:21:39,797 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:21:39,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:21:39,798 INFO L85 PathProgramCache]: Analyzing trace with hash -219929749, now seen corresponding path program 1 times [2022-11-23 02:21:39,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:21:39,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923440366] [2022-11-23 02:21:39,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:39,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:21:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:21:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:21:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:21:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:21:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:21:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:21:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 02:21:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:21:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 02:21:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 02:21:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 02:21:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 02:21:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-23 02:21:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:21:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-23 02:21:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-23 02:21:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:21:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:21:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 02:21:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:21:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 02:21:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 02:21:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-23 02:21:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-23 02:21:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-23 02:21:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-23 02:21:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-23 02:21:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-23 02:21:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-23 02:21:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-23 02:21:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-11-23 02:21:44,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:21:44,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923440366] [2022-11-23 02:21:44,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923440366] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:21:44,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96457431] [2022-11-23 02:21:44,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:44,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:21:44,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:21:44,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:21:44,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 02:21:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:46,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-23 02:21:46,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:21:46,699 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-11-23 02:21:46,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:21:46,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96457431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:21:46,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:21:46,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 25 [2022-11-23 02:21:46,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367410604] [2022-11-23 02:21:46,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:21:46,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-23 02:21:46,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:21:46,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-23 02:21:46,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2022-11-23 02:21:46,706 INFO L87 Difference]: Start difference. First operand 14537 states and 20694 transitions. Second operand has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 12 states have internal predecessors, (149), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2022-11-23 02:21:49,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:21:49,724 INFO L93 Difference]: Finished difference Result 29469 states and 41997 transitions. [2022-11-23 02:21:49,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 02:21:49,725 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 12 states have internal predecessors, (149), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) Word has length 304 [2022-11-23 02:21:49,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:21:49,889 INFO L225 Difference]: With dead ends: 29469 [2022-11-23 02:21:49,890 INFO L226 Difference]: Without dead ends: 14939 [2022-11-23 02:21:50,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2022-11-23 02:21:50,026 INFO L413 NwaCegarLoop]: 2595 mSDtfsCounter, 177 mSDsluCounter, 30819 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 33414 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 02:21:50,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 33414 Invalid, 600 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [46 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 02:21:50,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14939 states. [2022-11-23 02:21:51,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14939 to 14667. [2022-11-23 02:21:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14667 states, 10219 states have (on average 1.2384773461199725) internal successors, (12656), 10399 states have internal predecessors, (12656), 3646 states have call successors, (3646), 807 states have call predecessors, (3646), 801 states have return successors, (4593), 3581 states have call predecessors, (4593), 3625 states have call successors, (4593) [2022-11-23 02:21:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14667 states to 14667 states and 20895 transitions. [2022-11-23 02:21:51,657 INFO L78 Accepts]: Start accepts. Automaton has 14667 states and 20895 transitions. Word has length 304 [2022-11-23 02:21:51,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:21:51,658 INFO L495 AbstractCegarLoop]: Abstraction has 14667 states and 20895 transitions. [2022-11-23 02:21:51,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 12 states have internal predecessors, (149), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2022-11-23 02:21:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 14667 states and 20895 transitions. [2022-11-23 02:21:51,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-11-23 02:21:51,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:21:51,677 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:21:51,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 02:21:51,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:21:51,887 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:21:51,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:21:51,888 INFO L85 PathProgramCache]: Analyzing trace with hash 94184785, now seen corresponding path program 1 times [2022-11-23 02:21:51,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:21:51,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137376601] [2022-11-23 02:21:51,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:51,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:21:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:21:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:21:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:21:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:21:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:21:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:21:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 02:21:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:53,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:21:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:21:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:21:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 02:21:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-23 02:21:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-23 02:21:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-23 02:21:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-23 02:21:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 02:21:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:21:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:21:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-23 02:21:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-23 02:21:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 02:21:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-23 02:21:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-23 02:21:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-23 02:21:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-23 02:21:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-23 02:21:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-23 02:21:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-23 02:21:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-23 02:21:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:54,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-23 02:21:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:55,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-23 02:21:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:55,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-23 02:21:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-23 02:21:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-11-23 02:21:55,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:21:55,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137376601] [2022-11-23 02:21:55,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137376601] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:21:55,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271837810] [2022-11-23 02:21:55,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:55,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:21:55,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:21:55,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:21:55,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 02:21:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:56,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 3224 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-23 02:21:56,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:21:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 25 proven. 21 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2022-11-23 02:21:57,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:21:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2022-11-23 02:21:58,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271837810] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:21:58,306 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:21:58,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15, 15] total 26 [2022-11-23 02:21:58,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294717330] [2022-11-23 02:21:58,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:21:58,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-23 02:21:58,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:21:58,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-23 02:21:58,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-23 02:21:58,312 INFO L87 Difference]: Start difference. First operand 14667 states and 20895 transitions. Second operand has 26 states, 25 states have (on average 8.0) internal successors, (200), 20 states have internal predecessors, (200), 7 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (74), 8 states have call predecessors, (74), 7 states have call successors, (74) [2022-11-23 02:22:45,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:22:45,832 INFO L93 Difference]: Finished difference Result 34312 states and 51314 transitions. [2022-11-23 02:22:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 02:22:45,833 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 8.0) internal successors, (200), 20 states have internal predecessors, (200), 7 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (74), 8 states have call predecessors, (74), 7 states have call successors, (74) Word has length 333 [2022-11-23 02:22:45,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:22:46,049 INFO L225 Difference]: With dead ends: 34312 [2022-11-23 02:22:46,049 INFO L226 Difference]: Without dead ends: 19653 [2022-11-23 02:22:46,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 758 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=207, Invalid=1599, Unknown=0, NotChecked=0, Total=1806 [2022-11-23 02:22:46,190 INFO L413 NwaCegarLoop]: 1172 mSDtfsCounter, 2997 mSDsluCounter, 21155 mSDsCounter, 0 mSdLazyCounter, 39686 mSolverCounterSat, 1513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3478 SdHoareTripleChecker+Valid, 22327 SdHoareTripleChecker+Invalid, 41199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 1513 IncrementalHoareTripleChecker+Valid, 39686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.6s IncrementalHoareTripleChecker+Time [2022-11-23 02:22:46,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3478 Valid, 22327 Invalid, 41199 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [1513 Valid, 39686 Invalid, 0 Unknown, 0 Unchecked, 43.6s Time] [2022-11-23 02:22:46,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19653 states. [2022-11-23 02:22:48,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19653 to 18112. [2022-11-23 02:22:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18112 states, 12643 states have (on average 1.2372854544016452) internal successors, (15643), 12885 states have internal predecessors, (15643), 4522 states have call successors, (4522), 807 states have call predecessors, (4522), 946 states have return successors, (6353), 4588 states have call predecessors, (6353), 4508 states have call successors, (6353) [2022-11-23 02:22:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18112 states to 18112 states and 26518 transitions. [2022-11-23 02:22:48,842 INFO L78 Accepts]: Start accepts. Automaton has 18112 states and 26518 transitions. Word has length 333 [2022-11-23 02:22:48,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:22:48,843 INFO L495 AbstractCegarLoop]: Abstraction has 18112 states and 26518 transitions. [2022-11-23 02:22:48,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 8.0) internal successors, (200), 20 states have internal predecessors, (200), 7 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (74), 8 states have call predecessors, (74), 7 states have call successors, (74) [2022-11-23 02:22:48,844 INFO L276 IsEmpty]: Start isEmpty. Operand 18112 states and 26518 transitions. [2022-11-23 02:22:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-11-23 02:22:48,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:22:48,875 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 11, 11, 11, 7, 7, 6, 6, 6, 6, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:22:48,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 02:22:49,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:22:49,093 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:22:49,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:22:49,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1059092645, now seen corresponding path program 1 times [2022-11-23 02:22:49,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:22:49,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778170680] [2022-11-23 02:22:49,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:22:49,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:22:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:22:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:22:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:22:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:22:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:22:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:22:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:22:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:22:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 02:22:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:50,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:22:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:22:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:22:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:22:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 02:22:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 02:22:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 02:22:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-23 02:22:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 02:22:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-23 02:22:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 02:22:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:22:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 02:22:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-23 02:22:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:51,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-23 02:22:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 02:22:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-23 02:22:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-23 02:22:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-23 02:22:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-23 02:22:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-23 02:22:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-23 02:22:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-23 02:22:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-23 02:22:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-23 02:22:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-23 02:22:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-23 02:22:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-23 02:22:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-23 02:22:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2022-11-23 02:22:52,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:22:52,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778170680] [2022-11-23 02:22:52,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778170680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:22:52,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:22:52,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:22:52,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641597686] [2022-11-23 02:22:52,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:22:52,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 02:22:52,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:22:52,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 02:22:52,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:22:52,326 INFO L87 Difference]: Start difference. First operand 18112 states and 26518 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-23 02:23:09,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:23:09,103 INFO L93 Difference]: Finished difference Result 37760 states and 57301 transitions. [2022-11-23 02:23:09,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:23:09,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 356 [2022-11-23 02:23:09,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:23:09,294 INFO L225 Difference]: With dead ends: 37760 [2022-11-23 02:23:09,294 INFO L226 Difference]: Without dead ends: 19663 [2022-11-23 02:23:09,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-11-23 02:23:09,601 INFO L413 NwaCegarLoop]: 1193 mSDtfsCounter, 3522 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 9307 mSolverCounterSat, 2207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3926 SdHoareTripleChecker+Valid, 6204 SdHoareTripleChecker+Invalid, 11514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2207 IncrementalHoareTripleChecker+Valid, 9307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-23 02:23:09,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3926 Valid, 6204 Invalid, 11514 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2207 Valid, 9307 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2022-11-23 02:23:09,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19663 states. [2022-11-23 02:23:11,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19663 to 18136. [2022-11-23 02:23:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18136 states, 12667 states have (on average 1.2368358727401911) internal successors, (15667), 12909 states have internal predecessors, (15667), 4522 states have call successors, (4522), 807 states have call predecessors, (4522), 946 states have return successors, (6353), 4588 states have call predecessors, (6353), 4508 states have call successors, (6353) [2022-11-23 02:23:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18136 states to 18136 states and 26542 transitions. [2022-11-23 02:23:11,974 INFO L78 Accepts]: Start accepts. Automaton has 18136 states and 26542 transitions. Word has length 356 [2022-11-23 02:23:11,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:23:11,977 INFO L495 AbstractCegarLoop]: Abstraction has 18136 states and 26542 transitions. [2022-11-23 02:23:11,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-23 02:23:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 18136 states and 26542 transitions. [2022-11-23 02:23:11,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-11-23 02:23:11,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:23:11,996 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 8, 8, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:23:11,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 02:23:11,996 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:23:11,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:23:11,997 INFO L85 PathProgramCache]: Analyzing trace with hash 685901173, now seen corresponding path program 1 times [2022-11-23 02:23:11,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:23:11,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814934232] [2022-11-23 02:23:11,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:23:11,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:23:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:23:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:12,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:23:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:23:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:23:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:23:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:13,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:13,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:23:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 02:23:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:23:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:23:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:23:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:23:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 02:23:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 02:23:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 02:23:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-23 02:23:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 02:23:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-23 02:23:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:23:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 02:23:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-23 02:23:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 02:23:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-23 02:23:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-23 02:23:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-23 02:23:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 02:23:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 02:23:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 02:23:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 02:23:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-23 02:23:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-23 02:23:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-23 02:23:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-23 02:23:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-23 02:23:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-23 02:23:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-23 02:23:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-23 02:23:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-23 02:23:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-23 02:23:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:14,895 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2022-11-23 02:23:14,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:23:14,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814934232] [2022-11-23 02:23:14,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814934232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:23:14,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:23:14,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 02:23:14,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347021476] [2022-11-23 02:23:14,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:23:14,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 02:23:14,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:23:14,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 02:23:14,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-23 02:23:14,901 INFO L87 Difference]: Start difference. First operand 18136 states and 26542 transitions. Second operand has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 6 states have internal predecessors, (127), 2 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-23 02:23:31,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:23:34,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:23:38,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:23:38,709 INFO L93 Difference]: Finished difference Result 37764 states and 56662 transitions. [2022-11-23 02:23:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 02:23:38,711 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 6 states have internal predecessors, (127), 2 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 377 [2022-11-23 02:23:38,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:23:38,893 INFO L225 Difference]: With dead ends: 37764 [2022-11-23 02:23:38,894 INFO L226 Difference]: Without dead ends: 19643 [2022-11-23 02:23:39,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-11-23 02:23:39,040 INFO L413 NwaCegarLoop]: 1196 mSDtfsCounter, 2343 mSDsluCounter, 6815 mSDsCounter, 0 mSdLazyCounter, 13234 mSolverCounterSat, 822 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2749 SdHoareTripleChecker+Valid, 8011 SdHoareTripleChecker+Invalid, 14056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 822 IncrementalHoareTripleChecker+Valid, 13234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-11-23 02:23:39,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2749 Valid, 8011 Invalid, 14056 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [822 Valid, 13234 Invalid, 0 Unknown, 0 Unchecked, 21.5s Time] [2022-11-23 02:23:39,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19643 states. [2022-11-23 02:23:40,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19643 to 18130. [2022-11-23 02:23:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18130 states, 12662 states have (on average 1.2366134891802243) internal successors, (15658), 12911 states have internal predecessors, (15658), 4514 states have call successors, (4514), 807 states have call predecessors, (4514), 953 states have return successors, (6365), 4580 states have call predecessors, (6365), 4500 states have call successors, (6365) [2022-11-23 02:23:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18130 states to 18130 states and 26537 transitions. [2022-11-23 02:23:41,144 INFO L78 Accepts]: Start accepts. Automaton has 18130 states and 26537 transitions. Word has length 377 [2022-11-23 02:23:41,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:23:41,145 INFO L495 AbstractCegarLoop]: Abstraction has 18130 states and 26537 transitions. [2022-11-23 02:23:41,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 6 states have internal predecessors, (127), 2 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-23 02:23:41,146 INFO L276 IsEmpty]: Start isEmpty. Operand 18130 states and 26537 transitions. [2022-11-23 02:23:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-11-23 02:23:41,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:23:41,175 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 8, 8, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:23:41,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 02:23:41,175 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:23:41,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:23:41,176 INFO L85 PathProgramCache]: Analyzing trace with hash -480197432, now seen corresponding path program 1 times [2022-11-23 02:23:41,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:23:41,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447549470] [2022-11-23 02:23:41,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:23:41,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:23:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:23:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:41,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:23:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:23:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:41,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:41,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:41,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:23:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:41,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:23:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:41,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:41,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:41,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:23:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:41,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 02:23:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:23:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:23:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:23:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:23:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 02:23:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 02:23:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 02:23:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-23 02:23:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 02:23:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-23 02:23:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:23:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 02:23:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-23 02:23:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 02:23:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-23 02:23:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-23 02:23:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-23 02:23:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 02:23:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 02:23:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:42,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-23 02:23:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-23 02:23:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-23 02:23:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-23 02:23:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-23 02:23:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-23 02:23:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-23 02:23:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-11-23 02:23:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-23 02:23:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-11-23 02:23:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-11-23 02:23:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-23 02:23:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-23 02:23:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 836 trivial. 0 not checked. [2022-11-23 02:23:43,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:23:43,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447549470] [2022-11-23 02:23:43,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447549470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:23:43,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:23:43,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-23 02:23:43,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496433812] [2022-11-23 02:23:43,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:23:43,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 02:23:43,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:23:43,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 02:23:43,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-23 02:23:43,439 INFO L87 Difference]: Start difference. First operand 18130 states and 26537 transitions. Second operand has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (49), 7 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-23 02:24:06,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:24:06,719 INFO L93 Difference]: Finished difference Result 41216 states and 62317 transitions. [2022-11-23 02:24:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 02:24:06,720 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (49), 7 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) Word has length 393 [2022-11-23 02:24:06,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:24:06,862 INFO L225 Difference]: With dead ends: 41216 [2022-11-23 02:24:06,863 INFO L226 Difference]: Without dead ends: 23101 [2022-11-23 02:24:06,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2022-11-23 02:24:06,999 INFO L413 NwaCegarLoop]: 1416 mSDtfsCounter, 5618 mSDsluCounter, 9032 mSDsCounter, 0 mSdLazyCounter, 15381 mSolverCounterSat, 4353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6008 SdHoareTripleChecker+Valid, 10448 SdHoareTripleChecker+Invalid, 19734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4353 IncrementalHoareTripleChecker+Valid, 15381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-23 02:24:07,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6008 Valid, 10448 Invalid, 19734 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4353 Valid, 15381 Invalid, 0 Unknown, 0 Unchecked, 20.4s Time] [2022-11-23 02:24:07,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23101 states. [2022-11-23 02:24:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23101 to 21238. [2022-11-23 02:24:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21238 states, 14803 states have (on average 1.2354928055123962) internal successors, (18289), 15071 states have internal predecessors, (18289), 5426 states have call successors, (5426), 807 states have call predecessors, (5426), 1008 states have return successors, (7836), 5570 states have call predecessors, (7836), 5412 states have call successors, (7836) [2022-11-23 02:24:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21238 states to 21238 states and 31551 transitions. [2022-11-23 02:24:08,785 INFO L78 Accepts]: Start accepts. Automaton has 21238 states and 31551 transitions. Word has length 393 [2022-11-23 02:24:08,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:24:08,786 INFO L495 AbstractCegarLoop]: Abstraction has 21238 states and 31551 transitions. [2022-11-23 02:24:08,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (49), 7 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-23 02:24:08,786 INFO L276 IsEmpty]: Start isEmpty. Operand 21238 states and 31551 transitions. [2022-11-23 02:24:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-11-23 02:24:08,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:24:08,844 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 13, 9, 9, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:24:08,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 02:24:08,844 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:24:08,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:24:08,845 INFO L85 PathProgramCache]: Analyzing trace with hash 429622015, now seen corresponding path program 1 times [2022-11-23 02:24:08,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:24:08,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388479558] [2022-11-23 02:24:08,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:24:08,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:24:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:24:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:24:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:24:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:24:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:24:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:24:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:24:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:24:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 02:24:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:24:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:24:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:24:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:24:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 02:24:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 02:24:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 02:24:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-23 02:24:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 02:24:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-23 02:24:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:24:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:24:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 02:24:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-23 02:24:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 02:24:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-23 02:24:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-23 02:24:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-23 02:24:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 02:24:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 02:24:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-23 02:24:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-23 02:24:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-23 02:24:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-23 02:24:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-23 02:24:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-23 02:24:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-23 02:24:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-23 02:24:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-23 02:24:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-23 02:24:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-23 02:24:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-11-23 02:24:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-23 02:24:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-11-23 02:24:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-11-23 02:24:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-23 02:24:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-11-23 02:24:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-23 02:24:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-11-23 02:24:10,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:24:10,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388479558] [2022-11-23 02:24:10,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388479558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:24:10,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:24:10,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-23 02:24:10,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304814621] [2022-11-23 02:24:10,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:24:10,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 02:24:10,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:24:10,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 02:24:10,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-23 02:24:10,788 INFO L87 Difference]: Start difference. First operand 21238 states and 31551 transitions. Second operand has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-23 02:24:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:24:33,571 INFO L93 Difference]: Finished difference Result 44789 states and 69711 transitions. [2022-11-23 02:24:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 02:24:33,571 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) Word has length 435 [2022-11-23 02:24:33,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:24:33,724 INFO L225 Difference]: With dead ends: 44789 [2022-11-23 02:24:33,724 INFO L226 Difference]: Without dead ends: 23566 [2022-11-23 02:24:33,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=239, Invalid=883, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 02:24:33,854 INFO L413 NwaCegarLoop]: 1524 mSDtfsCounter, 8935 mSDsluCounter, 9907 mSDsCounter, 0 mSdLazyCounter, 17937 mSolverCounterSat, 7125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9434 SdHoareTripleChecker+Valid, 11431 SdHoareTripleChecker+Invalid, 25062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7125 IncrementalHoareTripleChecker+Valid, 17937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:24:33,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9434 Valid, 11431 Invalid, 25062 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7125 Valid, 17937 Invalid, 0 Unknown, 0 Unchecked, 20.1s Time] [2022-11-23 02:24:33,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23566 states. [2022-11-23 02:24:35,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23566 to 18784. [2022-11-23 02:24:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18784 states, 13001 states have (on average 1.2273671256057226) internal successors, (15957), 13185 states have internal predecessors, (15957), 4806 states have call successors, (4806), 789 states have call predecessors, (4806), 976 states have return successors, (7169), 4963 states have call predecessors, (7169), 4792 states have call successors, (7169) [2022-11-23 02:24:35,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18784 states to 18784 states and 27932 transitions. [2022-11-23 02:24:35,615 INFO L78 Accepts]: Start accepts. Automaton has 18784 states and 27932 transitions. Word has length 435 [2022-11-23 02:24:35,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:24:35,616 INFO L495 AbstractCegarLoop]: Abstraction has 18784 states and 27932 transitions. [2022-11-23 02:24:35,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-23 02:24:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 18784 states and 27932 transitions. [2022-11-23 02:24:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-11-23 02:24:35,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:24:35,652 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 13, 9, 9, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:24:35,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 02:24:35,653 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:24:35,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:24:35,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1040891073, now seen corresponding path program 1 times [2022-11-23 02:24:35,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:24:35,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626195987] [2022-11-23 02:24:35,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:24:35,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:24:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:24:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:24:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:24:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:24:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:24:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:24:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:24:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:24:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 02:24:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:24:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:24:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:24:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:24:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 02:24:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 02:24:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 02:24:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-23 02:24:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 02:24:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-23 02:24:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:24:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:24:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 02:24:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-23 02:24:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 02:24:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-23 02:24:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-23 02:24:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-23 02:24:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 02:24:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 02:24:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-23 02:24:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-23 02:24:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-23 02:24:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-23 02:24:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-23 02:24:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-23 02:24:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-23 02:24:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-23 02:24:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-23 02:24:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-23 02:24:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-23 02:24:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-11-23 02:24:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-23 02:24:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:24:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-11-23 02:24:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-11-23 02:24:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-23 02:24:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-11-23 02:24:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-23 02:24:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:37,410 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-11-23 02:24:37,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:24:37,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626195987] [2022-11-23 02:24:37,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626195987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:24:37,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:24:37,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-23 02:24:37,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153436256] [2022-11-23 02:24:37,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:24:37,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 02:24:37,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:24:37,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 02:24:37,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-23 02:24:37,413 INFO L87 Difference]: Start difference. First operand 18784 states and 27932 transitions. Second operand has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-23 02:24:59,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:24:59,544 INFO L93 Difference]: Finished difference Result 42022 states and 63992 transitions. [2022-11-23 02:24:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 02:24:59,545 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) Word has length 435 [2022-11-23 02:24:59,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:24:59,664 INFO L225 Difference]: With dead ends: 42022 [2022-11-23 02:24:59,664 INFO L226 Difference]: Without dead ends: 23253 [2022-11-23 02:24:59,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=206, Invalid=916, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 02:24:59,726 INFO L413 NwaCegarLoop]: 1384 mSDtfsCounter, 7692 mSDsluCounter, 9517 mSDsCounter, 0 mSdLazyCounter, 17613 mSolverCounterSat, 5704 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8163 SdHoareTripleChecker+Valid, 10901 SdHoareTripleChecker+Invalid, 23317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5704 IncrementalHoareTripleChecker+Valid, 17613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-23 02:24:59,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8163 Valid, 10901 Invalid, 23317 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5704 Valid, 17613 Invalid, 0 Unknown, 0 Unchecked, 19.2s Time] [2022-11-23 02:24:59,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23253 states. [2022-11-23 02:25:01,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23253 to 18784. [2022-11-23 02:25:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18784 states, 13001 states have (on average 1.2271363741250674) internal successors, (15954), 13185 states have internal predecessors, (15954), 4806 states have call successors, (4806), 789 states have call predecessors, (4806), 976 states have return successors, (7169), 4963 states have call predecessors, (7169), 4792 states have call successors, (7169) [2022-11-23 02:25:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18784 states to 18784 states and 27929 transitions. [2022-11-23 02:25:01,326 INFO L78 Accepts]: Start accepts. Automaton has 18784 states and 27929 transitions. Word has length 435 [2022-11-23 02:25:01,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:25:01,328 INFO L495 AbstractCegarLoop]: Abstraction has 18784 states and 27929 transitions. [2022-11-23 02:25:01,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-23 02:25:01,329 INFO L276 IsEmpty]: Start isEmpty. Operand 18784 states and 27929 transitions. [2022-11-23 02:25:01,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-11-23 02:25:01,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:25:01,367 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:25:01,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 02:25:01,367 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:25:01,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:25:01,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1401675439, now seen corresponding path program 1 times [2022-11-23 02:25:01,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:25:01,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64507637] [2022-11-23 02:25:01,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:25:01,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:25:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:25:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:25:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:25:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:25:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:25:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:25:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:25:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:25:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 02:25:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:25:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:25:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:25:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:25:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 02:25:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 02:25:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 02:25:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-23 02:25:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 02:25:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-23 02:25:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:25:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:25:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 02:25:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-23 02:25:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 02:25:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-23 02:25:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-23 02:25:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-23 02:25:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 02:25:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 02:25:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-23 02:25:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-23 02:25:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-23 02:25:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 02:25:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-23 02:25:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-23 02:25:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-23 02:25:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-23 02:25:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 02:25:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-23 02:25:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-23 02:25:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-11-23 02:25:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-11-23 02:25:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-23 02:25:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-23 02:25:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-11-23 02:25:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-11-23 02:25:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-23 02:25:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-11-23 02:25:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-11-23 02:25:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:04,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1055 trivial. 0 not checked. [2022-11-23 02:25:04,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:25:04,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64507637] [2022-11-23 02:25:04,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64507637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:25:04,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:25:04,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-23 02:25:04,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101353721] [2022-11-23 02:25:04,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:25:04,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 02:25:04,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:25:04,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 02:25:04,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-23 02:25:04,751 INFO L87 Difference]: Start difference. First operand 18784 states and 27929 transitions. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (57), 8 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-23 02:25:25,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:25:25,487 INFO L93 Difference]: Finished difference Result 42149 states and 65236 transitions. [2022-11-23 02:25:25,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-23 02:25:25,488 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (57), 8 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) Word has length 466 [2022-11-23 02:25:25,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:25:25,600 INFO L225 Difference]: With dead ends: 42149 [2022-11-23 02:25:25,600 INFO L226 Difference]: Without dead ends: 23380 [2022-11-23 02:25:25,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=922, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 02:25:25,689 INFO L413 NwaCegarLoop]: 1421 mSDtfsCounter, 7946 mSDsluCounter, 8320 mSDsCounter, 0 mSdLazyCounter, 15422 mSolverCounterSat, 5892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8434 SdHoareTripleChecker+Valid, 9741 SdHoareTripleChecker+Invalid, 21314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5892 IncrementalHoareTripleChecker+Valid, 15422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:25:25,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8434 Valid, 9741 Invalid, 21314 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5892 Valid, 15422 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2022-11-23 02:25:25,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23380 states. [2022-11-23 02:25:26,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23380 to 18802. [2022-11-23 02:25:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18802 states, 13019 states have (on average 1.226822336584991) internal successors, (15972), 13197 states have internal predecessors, (15972), 4806 states have call successors, (4806), 789 states have call predecessors, (4806), 976 states have return successors, (7169), 4969 states have call predecessors, (7169), 4792 states have call successors, (7169) [2022-11-23 02:25:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18802 states to 18802 states and 27947 transitions. [2022-11-23 02:25:27,077 INFO L78 Accepts]: Start accepts. Automaton has 18802 states and 27947 transitions. Word has length 466 [2022-11-23 02:25:27,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:25:27,078 INFO L495 AbstractCegarLoop]: Abstraction has 18802 states and 27947 transitions. [2022-11-23 02:25:27,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (57), 8 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-23 02:25:27,079 INFO L276 IsEmpty]: Start isEmpty. Operand 18802 states and 27947 transitions. [2022-11-23 02:25:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-11-23 02:25:27,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:25:27,211 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:25:27,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 02:25:27,212 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:25:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:25:27,212 INFO L85 PathProgramCache]: Analyzing trace with hash -214325720, now seen corresponding path program 1 times [2022-11-23 02:25:27,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:25:27,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404663774] [2022-11-23 02:25:27,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:25:27,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:25:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:28,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:25:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:25:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:28,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:25:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:25:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:28,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:25:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:28,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:25:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:28,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:25:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:25:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 02:25:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:25:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:25:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:25:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:25:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 02:25:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:29,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 02:25:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 02:25:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-23 02:25:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 02:25:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-23 02:25:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:25:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:25:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 02:25:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-23 02:25:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 02:25:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-23 02:25:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-23 02:25:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-23 02:25:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 02:25:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 02:25:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-23 02:25:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-23 02:25:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-23 02:25:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 02:25:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 02:25:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-23 02:25:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-23 02:25:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-23 02:25:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-23 02:25:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-23 02:25:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-23 02:25:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-23 02:25:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-11-23 02:25:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-23 02:25:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-23 02:25:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-23 02:25:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-11-23 02:25:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-11-23 02:25:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-11-23 02:25:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-11-23 02:25:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 17 proven. 42 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2022-11-23 02:25:30,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:25:30,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404663774] [2022-11-23 02:25:30,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404663774] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:25:30,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576930646] [2022-11-23 02:25:30,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:25:30,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:25:30,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:25:30,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:25:30,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 02:25:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:32,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 3764 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-23 02:25:32,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:25:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-11-23 02:25:32,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:25:32,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576930646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:25:32,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:25:32,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 23 [2022-11-23 02:25:32,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105080669] [2022-11-23 02:25:32,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:25:32,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 02:25:32,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:25:32,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 02:25:32,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2022-11-23 02:25:32,172 INFO L87 Difference]: Start difference. First operand 18802 states and 27947 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 6 states have internal predecessors, (176), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) [2022-11-23 02:25:33,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:25:33,369 INFO L93 Difference]: Finished difference Result 36588 states and 55807 transitions. [2022-11-23 02:25:33,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:25:33,369 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 6 states have internal predecessors, (176), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) Word has length 462 [2022-11-23 02:25:33,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:25:33,487 INFO L225 Difference]: With dead ends: 36588 [2022-11-23 02:25:33,488 INFO L226 Difference]: Without dead ends: 17801 [2022-11-23 02:25:33,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2022-11-23 02:25:33,606 INFO L413 NwaCegarLoop]: 2607 mSDtfsCounter, 98 mSDsluCounter, 12870 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 15477 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:25:33,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 15477 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:25:33,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17801 states. [2022-11-23 02:25:34,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17801 to 17023. [2022-11-23 02:25:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17023 states, 11769 states have (on average 1.223893278953182) internal successors, (14404), 11913 states have internal predecessors, (14404), 4301 states have call successors, (4301), 783 states have call predecessors, (4301), 952 states have return successors, (6494), 4450 states have call predecessors, (6494), 4287 states have call successors, (6494) [2022-11-23 02:25:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17023 states to 17023 states and 25199 transitions. [2022-11-23 02:25:34,884 INFO L78 Accepts]: Start accepts. Automaton has 17023 states and 25199 transitions. Word has length 462 [2022-11-23 02:25:34,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:25:34,885 INFO L495 AbstractCegarLoop]: Abstraction has 17023 states and 25199 transitions. [2022-11-23 02:25:34,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 6 states have internal predecessors, (176), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) [2022-11-23 02:25:34,885 INFO L276 IsEmpty]: Start isEmpty. Operand 17023 states and 25199 transitions. [2022-11-23 02:25:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-11-23 02:25:34,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:25:34,936 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:25:34,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 02:25:35,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-23 02:25:35,149 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:25:35,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:25:35,149 INFO L85 PathProgramCache]: Analyzing trace with hash 2066796198, now seen corresponding path program 1 times [2022-11-23 02:25:35,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:25:35,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403614091] [2022-11-23 02:25:35,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:25:35,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:25:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:25:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:25:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:25:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:25:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:25:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:25:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:25:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:25:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 02:25:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:38,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:25:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:25:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:25:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:25:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 02:25:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 02:25:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 02:25:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-23 02:25:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 02:25:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-23 02:25:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:25:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:25:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 02:25:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-23 02:25:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 02:25:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-23 02:25:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-23 02:25:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-23 02:25:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 02:25:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 02:25:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-23 02:25:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-23 02:25:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-23 02:25:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 02:25:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 02:25:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-23 02:25:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-23 02:25:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-23 02:25:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-23 02:25:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-23 02:25:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-23 02:25:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-23 02:25:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-11-23 02:25:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-23 02:25:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-23 02:25:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:25:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-23 02:25:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-11-23 02:25:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-11-23 02:25:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-11-23 02:25:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-11-23 02:25:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 17 proven. 42 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2022-11-23 02:25:39,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:25:39,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403614091] [2022-11-23 02:25:39,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403614091] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:25:39,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513222299] [2022-11-23 02:25:39,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:25:39,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:25:39,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:25:39,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:25:39,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 02:25:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:25:41,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 3767 conjuncts, 99 conjunts are in the unsatisfiable core [2022-11-23 02:25:41,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:25:41,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 02:25:41,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 02:25:44,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2022-11-23 02:25:44,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2022-11-23 02:25:44,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-11-23 02:25:44,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-11-23 02:25:44,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 498 proven. 10 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-11-23 02:25:44,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:25:46,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513222299] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:25:46,366 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 02:25:46,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22] total 36 [2022-11-23 02:25:46,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129396477] [2022-11-23 02:25:46,367 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 02:25:46,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-23 02:25:46,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:25:46,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-23 02:25:46,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=2099, Unknown=0, NotChecked=0, Total=2256 [2022-11-23 02:25:46,370 INFO L87 Difference]: Start difference. First operand 17023 states and 25199 transitions. Second operand has 36 states, 31 states have (on average 8.935483870967742) internal successors, (277), 21 states have internal predecessors, (277), 9 states have call successors, (104), 9 states have call predecessors, (104), 11 states have return successors, (99), 13 states have call predecessors, (99), 9 states have call successors, (99) [2022-11-23 02:26:24,693 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] [2022-11-23 02:26:26,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:27:02,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:27:04,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:27:06,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:27:08,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:27:10,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:27:12,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:27:28,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:31,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:27:33,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:35,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:43,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:46,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:47,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:27:56,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:28:06,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:28:45,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:28:45,740 INFO L93 Difference]: Finished difference Result 52525 states and 85441 transitions. [2022-11-23 02:28:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-23 02:28:45,741 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 31 states have (on average 8.935483870967742) internal successors, (277), 21 states have internal predecessors, (277), 9 states have call successors, (104), 9 states have call predecessors, (104), 11 states have return successors, (99), 13 states have call predecessors, (99), 9 states have call successors, (99) Word has length 462 [2022-11-23 02:28:45,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:28:45,942 INFO L225 Difference]: With dead ends: 52525 [2022-11-23 02:28:45,943 INFO L226 Difference]: Without dead ends: 35517 [2022-11-23 02:28:46,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 917 GetRequests, 751 SyntacticMatches, 9 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8253 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=2100, Invalid=23022, Unknown=0, NotChecked=0, Total=25122 [2022-11-23 02:28:46,043 INFO L413 NwaCegarLoop]: 1917 mSDtfsCounter, 10585 mSDsluCounter, 38103 mSDsCounter, 0 mSdLazyCounter, 99309 mSolverCounterSat, 8765 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 157.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11132 SdHoareTripleChecker+Valid, 40020 SdHoareTripleChecker+Invalid, 108088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.0s SdHoareTripleChecker+Time, 8765 IncrementalHoareTripleChecker+Valid, 99309 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 167.4s IncrementalHoareTripleChecker+Time [2022-11-23 02:28:46,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11132 Valid, 40020 Invalid, 108088 Unknown, 0 Unchecked, 1.0s Time], IncrementalHoareTripleChecker [8765 Valid, 99309 Invalid, 14 Unknown, 0 Unchecked, 167.4s Time] [2022-11-23 02:28:46,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35517 states. [2022-11-23 02:28:48,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35517 to 27774. [2022-11-23 02:28:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27774 states, 19154 states have (on average 1.221624725905816) internal successors, (23399), 19599 states have internal predecessors, (23399), 6810 states have call successors, (6810), 1398 states have call predecessors, (6810), 1809 states have return successors, (14559), 6980 states have call predecessors, (14559), 6796 states have call successors, (14559) [2022-11-23 02:28:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27774 states to 27774 states and 44768 transitions. [2022-11-23 02:28:48,798 INFO L78 Accepts]: Start accepts. Automaton has 27774 states and 44768 transitions. Word has length 462 [2022-11-23 02:28:48,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:28:48,798 INFO L495 AbstractCegarLoop]: Abstraction has 27774 states and 44768 transitions. [2022-11-23 02:28:48,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 31 states have (on average 8.935483870967742) internal successors, (277), 21 states have internal predecessors, (277), 9 states have call successors, (104), 9 states have call predecessors, (104), 11 states have return successors, (99), 13 states have call predecessors, (99), 9 states have call successors, (99) [2022-11-23 02:28:48,799 INFO L276 IsEmpty]: Start isEmpty. Operand 27774 states and 44768 transitions. [2022-11-23 02:28:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2022-11-23 02:28:48,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:28:48,853 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 16, 16, 12, 12, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:28:48,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 02:28:49,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-23 02:28:49,054 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:28:49,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:28:49,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1638253786, now seen corresponding path program 2 times [2022-11-23 02:28:49,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:28:49,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068503860] [2022-11-23 02:28:49,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:28:49,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:28:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:28:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:28:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:28:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:28:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:28:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:28:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:28:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:28:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 02:28:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:28:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:28:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:28:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:28:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 02:28:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:28:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:28:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:28:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:28:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-23 02:28:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-23 02:28:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 02:28:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-23 02:28:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:28:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:28:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-23 02:28:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:51,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 02:28:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-23 02:28:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 02:28:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-23 02:28:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 02:28:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 02:28:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:28:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:28:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:28:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-23 02:28:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-23 02:28:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-23 02:28:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-23 02:28:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-23 02:28:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-23 02:28:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-23 02:28:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-23 02:28:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-11-23 02:28:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-23 02:28:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-11-23 02:28:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-11-23 02:28:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-11-23 02:28:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-11-23 02:28:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-11-23 02:28:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-11-23 02:28:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:28:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-11-23 02:28:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-11-23 02:28:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-11-23 02:28:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-11-23 02:28:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-11-23 02:28:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 9 proven. 59 refuted. 0 times theorem prover too weak. 1318 trivial. 0 not checked. [2022-11-23 02:28:52,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:28:52,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068503860] [2022-11-23 02:28:52,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068503860] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:28:52,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228831126] [2022-11-23 02:28:52,460 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 02:28:52,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:28:52,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:28:52,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:28:52,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 02:28:54,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 02:28:54,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:28:54,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 3871 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-23 02:28:54,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:28:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 265 proven. 3 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2022-11-23 02:28:54,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:28:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2022-11-23 02:28:55,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228831126] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:28:55,730 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:28:55,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 8] total 20 [2022-11-23 02:28:55,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795857096] [2022-11-23 02:28:55,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:28:55,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-23 02:28:55,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:28:55,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-23 02:28:55,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-11-23 02:28:55,733 INFO L87 Difference]: Start difference. First operand 27774 states and 44768 transitions. Second operand has 20 states, 19 states have (on average 16.263157894736842) internal successors, (309), 12 states have internal predecessors, (309), 5 states have call successors, (132), 8 states have call predecessors, (132), 5 states have return successors, (112), 6 states have call predecessors, (112), 5 states have call successors, (112) [2022-11-23 02:29:39,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:29:39,895 INFO L93 Difference]: Finished difference Result 59131 states and 95158 transitions. [2022-11-23 02:29:39,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-23 02:29:39,896 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 16.263157894736842) internal successors, (309), 12 states have internal predecessors, (309), 5 states have call successors, (132), 8 states have call predecessors, (132), 5 states have return successors, (112), 6 states have call predecessors, (112), 5 states have call successors, (112) Word has length 494 [2022-11-23 02:29:39,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:29:40,087 INFO L225 Difference]: With dead ends: 59131 [2022-11-23 02:29:40,087 INFO L226 Difference]: Without dead ends: 31370 [2022-11-23 02:29:40,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1176 GetRequests, 1138 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=223, Invalid=1037, Unknown=0, NotChecked=0, Total=1260 [2022-11-23 02:29:40,223 INFO L413 NwaCegarLoop]: 1158 mSDtfsCounter, 9527 mSDsluCounter, 12539 mSDsCounter, 0 mSdLazyCounter, 28672 mSolverCounterSat, 7952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10188 SdHoareTripleChecker+Valid, 13697 SdHoareTripleChecker+Invalid, 36624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 7952 IncrementalHoareTripleChecker+Valid, 28672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:29:40,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10188 Valid, 13697 Invalid, 36624 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [7952 Valid, 28672 Invalid, 0 Unknown, 0 Unchecked, 39.1s Time] [2022-11-23 02:29:40,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31370 states. [2022-11-23 02:29:42,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31370 to 27774. [2022-11-23 02:29:42,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27774 states, 19154 states have (on average 1.2215725174898193) internal successors, (23398), 19598 states have internal predecessors, (23398), 6810 states have call successors, (6810), 1398 states have call predecessors, (6810), 1809 states have return successors, (14559), 6980 states have call predecessors, (14559), 6796 states have call successors, (14559) [2022-11-23 02:29:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27774 states to 27774 states and 44767 transitions. [2022-11-23 02:29:43,147 INFO L78 Accepts]: Start accepts. Automaton has 27774 states and 44767 transitions. Word has length 494 [2022-11-23 02:29:43,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:29:43,147 INFO L495 AbstractCegarLoop]: Abstraction has 27774 states and 44767 transitions. [2022-11-23 02:29:43,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 16.263157894736842) internal successors, (309), 12 states have internal predecessors, (309), 5 states have call successors, (132), 8 states have call predecessors, (132), 5 states have return successors, (112), 6 states have call predecessors, (112), 5 states have call successors, (112) [2022-11-23 02:29:43,148 INFO L276 IsEmpty]: Start isEmpty. Operand 27774 states and 44767 transitions. [2022-11-23 02:29:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2022-11-23 02:29:43,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:29:43,236 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 16, 16, 13, 13, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:29:43,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 02:29:43,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-23 02:29:43,454 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:29:43,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:29:43,455 INFO L85 PathProgramCache]: Analyzing trace with hash 556001631, now seen corresponding path program 1 times [2022-11-23 02:29:43,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:29:43,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101892768] [2022-11-23 02:29:43,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:29:43,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:29:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:29:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:29:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:29:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:29:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:29:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:29:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 02:29:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:29:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:29:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-23 02:29:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 02:29:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:49,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:29:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:49,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:29:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:29:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 02:29:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:49,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:29:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:29:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:49,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:29:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:29:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-23 02:29:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-23 02:29:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 02:29:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-23 02:29:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:29:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 02:29:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-23 02:29:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 02:29:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-23 02:29:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 02:29:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-23 02:29:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:29:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:29:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:29:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-23 02:29:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-23 02:29:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 02:29:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:29:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:29:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-23 02:29:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-23 02:29:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 02:29:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-23 02:29:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 02:29:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-23 02:29:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-23 02:29:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-23 02:29:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-11-23 02:29:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-11-23 02:29:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-11-23 02:29:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-11-23 02:29:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-11-23 02:29:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-11-23 02:29:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-11-23 02:29:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-11-23 02:29:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:29:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-11-23 02:29:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-11-23 02:29:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-11-23 02:29:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-11-23 02:29:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-11-23 02:29:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:51,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1583 backedges. 32 proven. 85 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2022-11-23 02:29:51,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:29:51,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101892768] [2022-11-23 02:29:51,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101892768] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:29:51,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403298346] [2022-11-23 02:29:51,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:29:51,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:29:51,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:29:51,143 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:29:51,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81e9889-8cfa-468b-903f-eab3f6022a41/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 02:29:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:55,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 3941 conjuncts, 105 conjunts are in the unsatisfiable core [2022-11-23 02:29:55,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:29:55,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 02:29:55,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 02:29:58,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2022-11-23 02:29:58,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 02:29:58,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 20 [2022-11-23 02:29:58,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-11-23 02:29:59,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1583 backedges. 642 proven. 10 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2022-11-23 02:29:59,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:30:01,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403298346] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:30:01,940 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 02:30:01,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25] total 47 [2022-11-23 02:30:01,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816160724] [2022-11-23 02:30:01,940 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 02:30:01,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-11-23 02:30:01,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:30:01,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-11-23 02:30:01,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=3020, Unknown=0, NotChecked=0, Total=3192 [2022-11-23 02:30:01,944 INFO L87 Difference]: Start difference. First operand 27774 states and 44767 transitions. Second operand has 47 states, 41 states have (on average 6.975609756097561) internal successors, (286), 30 states have internal predecessors, (286), 13 states have call successors, (109), 10 states have call predecessors, (109), 14 states have return successors, (104), 18 states have call predecessors, (104), 13 states have call successors, (104) [2022-11-23 02:30:35,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:30:53,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:30:55,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:30:58,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:00,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:03,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:05,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:12,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:14,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:16,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:18,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:20,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:52,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:54,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:56,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:31:58,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:32:11,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:32:13,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:32:24,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:32:26,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:32:39,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:32:41,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:01,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:03,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:05,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:07,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:09,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:11,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:25,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:27,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:29,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:31,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:33,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:35,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:39,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:33:41,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 02:33:43,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]