./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/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_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 17:04:11,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:04:11,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:04:11,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:04:11,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:04:11,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:04:11,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:04:11,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:04:11,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:04:11,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:04:11,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:04:11,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:04:11,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:04:11,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:04:11,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:04:11,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:04:11,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:04:11,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:04:11,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:04:11,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:04:11,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:04:11,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:04:11,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:04:11,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:04:11,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:04:11,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:04:11,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:04:11,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:04:11,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:04:11,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:04:11,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:04:11,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:04:11,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:04:11,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:04:11,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:04:11,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:04:11,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:04:11,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:04:11,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:04:11,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:04:11,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:04:11,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 17:04:11,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:04:11,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:04:11,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:04:11,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:04:11,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:04:11,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:04:11,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:04:11,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:04:11,356 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:04:11,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:04:11,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:04:11,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:04:11,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:04:11,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:04:11,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:04:11,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:04:11,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:04:11,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:04:11,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:04:11,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:04:11,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:04:11,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:04:11,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:04:11,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:04:11,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:04:11,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:04:11,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:04:11,361 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:04:11,361 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:04:11,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:04:11,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2022-11-21 17:04:11,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:04:11,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:04:11,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:04:11,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:04:11,729 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:04:11,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-11-21 17:04:15,146 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:04:15,934 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:04:15,935 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-11-21 17:04:15,998 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/data/a65007e7f/5dac160a3c7e43da8f281bbcec507645/FLAG2acb280b3 [2022-11-21 17:04:16,017 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/data/a65007e7f/5dac160a3c7e43da8f281bbcec507645 [2022-11-21 17:04:16,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:04:16,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:04:16,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:04:16,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:04:16,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:04:16,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:04:16" (1/1) ... [2022-11-21 17:04:16,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d56c5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:16, skipping insertion in model container [2022-11-21 17:04:16,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:04:16" (1/1) ... [2022-11-21 17:04:16,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:04:16,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:04:19,495 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_6bae25a1-7a56-4c92-95c5-a024772df2cf/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2022-11-21 17:04:19,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:04:19,588 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:04:20,288 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_6bae25a1-7a56-4c92-95c5-a024772df2cf/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2022-11-21 17:04:20,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:04:20,536 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:04:20,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20 WrapperNode [2022-11-21 17:04:20,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:04:20,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:04:20,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:04:20,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:04:20,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (1/1) ... [2022-11-21 17:04:20,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (1/1) ... [2022-11-21 17:04:20,911 INFO L138 Inliner]: procedures = 414, calls = 2190, calls flagged for inlining = 245, calls inlined = 230, statements flattened = 5710 [2022-11-21 17:04:20,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:04:20,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:04:20,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:04:20,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:04:20,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (1/1) ... [2022-11-21 17:04:20,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (1/1) ... [2022-11-21 17:04:20,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (1/1) ... [2022-11-21 17:04:20,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (1/1) ... [2022-11-21 17:04:21,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (1/1) ... [2022-11-21 17:04:21,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (1/1) ... [2022-11-21 17:04:21,162 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (1/1) ... [2022-11-21 17:04:21,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (1/1) ... [2022-11-21 17:04:21,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:04:21,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:04:21,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:04:21,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:04:21,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (1/1) ... [2022-11-21 17:04:21,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:04:21,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:04:21,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:04:21,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:04:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 17:04:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 17:04:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-21 17:04:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-21 17:04:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-21 17:04:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-21 17:04:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 17:04:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 17:04:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2022-11-21 17:04:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2022-11-21 17:04:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-21 17:04:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-21 17:04:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-21 17:04:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-21 17:04:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-21 17:04:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-21 17:04:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2022-11-21 17:04:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2022-11-21 17:04:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2022-11-21 17:04:21,326 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2022-11-21 17:04:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 17:04:21,326 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 17:04:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2022-11-21 17:04:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2022-11-21 17:04:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-21 17:04:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-21 17:04:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-21 17:04:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-21 17:04:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-21 17:04:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-21 17:04:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 17:04:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 17:04:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-21 17:04:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-21 17:04:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 17:04:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 17:04:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:04:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2022-11-21 17:04:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2022-11-21 17:04:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 17:04:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 17:04:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-21 17:04:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-21 17:04:21,334 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 17:04:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 17:04:21,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 17:04:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-21 17:04:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-21 17:04:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 17:04:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 17:04:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-21 17:04:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-21 17:04:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 17:04:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-21 17:04:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-21 17:04:21,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:04:21,337 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-21 17:04:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-21 17:04:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2022-11-21 17:04:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2022-11-21 17:04:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 17:04:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 17:04:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-21 17:04:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-21 17:04:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2022-11-21 17:04:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2022-11-21 17:04:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-21 17:04:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-21 17:04:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2022-11-21 17:04:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2022-11-21 17:04:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2022-11-21 17:04:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2022-11-21 17:04:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:04:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-21 17:04:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-21 17:04:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2022-11-21 17:04:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2022-11-21 17:04:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-21 17:04:21,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-21 17:04:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:04:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 17:04:21,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 17:04:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2022-11-21 17:04:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2022-11-21 17:04:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:04:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 17:04:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 17:04:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 17:04:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 17:04:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-21 17:04:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-21 17:04:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 17:04:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 17:04:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-21 17:04:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-21 17:04:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 17:04:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 17:04:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-21 17:04:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-21 17:04:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-21 17:04:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-21 17:04:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:04:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:04:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 17:04:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 17:04:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-21 17:04:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-21 17:04:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 17:04:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 17:04:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 17:04:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 17:04:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-21 17:04:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-21 17:04:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2022-11-21 17:04:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2022-11-21 17:04:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 17:04:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 17:04:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2022-11-21 17:04:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2022-11-21 17:04:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2022-11-21 17:04:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2022-11-21 17:04:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2022-11-21 17:04:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2022-11-21 17:04:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-21 17:04:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-21 17:04:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2022-11-21 17:04:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2022-11-21 17:04:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2022-11-21 17:04:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2022-11-21 17:04:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2022-11-21 17:04:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2022-11-21 17:04:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2022-11-21 17:04:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2022-11-21 17:04:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2022-11-21 17:04:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2022-11-21 17:04:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2022-11-21 17:04:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2022-11-21 17:04:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2022-11-21 17:04:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2022-11-21 17:04:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-21 17:04:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-21 17:04:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-21 17:04:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-21 17:04:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2022-11-21 17:04:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2022-11-21 17:04:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:04:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-11-21 17:04:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-11-21 17:04:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-21 17:04:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-21 17:04:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 17:04:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 17:04:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-11-21 17:04:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-11-21 17:04:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:04:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2022-11-21 17:04:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2022-11-21 17:04:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-11-21 17:04:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-11-21 17:04:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:04:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2022-11-21 17:04:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2022-11-21 17:04:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2022-11-21 17:04:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2022-11-21 17:04:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-21 17:04:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-21 17:04:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 17:04:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 17:04:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2022-11-21 17:04:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2022-11-21 17:04:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 17:04:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 17:04:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2022-11-21 17:04:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2022-11-21 17:04:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-11-21 17:04:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-11-21 17:04:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-21 17:04:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-21 17:04:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2022-11-21 17:04:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2022-11-21 17:04:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 17:04:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 17:04:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-21 17:04:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-21 17:04:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-21 17:04:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-21 17:04:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 17:04:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 17:04:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2022-11-21 17:04:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2022-11-21 17:04:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 17:04:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 17:04:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 17:04:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 17:04:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:04:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 17:04:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 17:04:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2022-11-21 17:04:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2022-11-21 17:04:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-21 17:04:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-21 17:04:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2022-11-21 17:04:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2022-11-21 17:04:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2022-11-21 17:04:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2022-11-21 17:04:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2022-11-21 17:04:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2022-11-21 17:04:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-21 17:04:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-21 17:04:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-11-21 17:04:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-11-21 17:04:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-21 17:04:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-21 17:04:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-11-21 17:04:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-11-21 17:04:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-21 17:04:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-21 17:04:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:04:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-21 17:04:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-21 17:04:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-21 17:04:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-21 17:04:22,580 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:04:22,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:04:22,682 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 17:04:31,409 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:04:31,427 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:04:31,427 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 17:04:31,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:04:31 BoogieIcfgContainer [2022-11-21 17:04:31,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:04:31,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:04:31,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:04:31,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:04:31,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:04:16" (1/3) ... [2022-11-21 17:04:31,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c30593d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:04:31, skipping insertion in model container [2022-11-21 17:04:31,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:20" (2/3) ... [2022-11-21 17:04:31,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c30593d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:04:31, skipping insertion in model container [2022-11-21 17:04:31,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:04:31" (3/3) ... [2022-11-21 17:04:31,441 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-11-21 17:04:31,460 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:04:31,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:04:31,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:04:31,573 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;@3389b789, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:04:31,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:04:31,588 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) [2022-11-21 17:04:31,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-21 17:04:31,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:04:31,597 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] [2022-11-21 17:04:31,598 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] === [2022-11-21 17:04:31,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:04:31,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1377079052, now seen corresponding path program 1 times [2022-11-21 17:04:31,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:04:31,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898543941] [2022-11-21 17:04:31,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:04:31,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:04:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:32,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:04:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:32,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:04:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:32,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:04:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:32,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 17:04:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:04:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 17:04:32,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:04:32,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898543941] [2022-11-21 17:04:32,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898543941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:04:32,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:04:32,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:04:32,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194472418] [2022-11-21 17:04:32,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:04:32,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:04:32,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:04:32,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:04:32,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:04:32,851 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) [2022-11-21 17:04:33,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:04:33,524 INFO L93 Difference]: Finished difference Result 3783 states and 5237 transitions. [2022-11-21 17:04:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:04:33,527 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 [2022-11-21 17:04:33,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:04:33,573 INFO L225 Difference]: With dead ends: 3783 [2022-11-21 17:04:33,574 INFO L226 Difference]: Without dead ends: 1892 [2022-11-21 17:04:33,595 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 [2022-11-21 17:04:33,600 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 [2022-11-21 17:04:33,601 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] [2022-11-21 17:04:33,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2022-11-21 17:04:33,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1892. [2022-11-21 17:04:33,910 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) [2022-11-21 17:04:33,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2576 transitions. [2022-11-21 17:04:33,940 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2576 transitions. Word has length 48 [2022-11-21 17:04:33,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:04:33,941 INFO L495 AbstractCegarLoop]: Abstraction has 1892 states and 2576 transitions. [2022-11-21 17:04:33,941 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) [2022-11-21 17:04:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2576 transitions. [2022-11-21 17:04:33,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 17:04:33,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:04:33,945 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] [2022-11-21 17:04:33,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:04:33,946 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] === [2022-11-21 17:04:33,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:04:33,947 INFO L85 PathProgramCache]: Analyzing trace with hash -468534672, now seen corresponding path program 1 times [2022-11-21 17:04:33,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:04:33,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642604655] [2022-11-21 17:04:33,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:04:33,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:04:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:04:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:34,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:04:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:04:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 17:04:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:04:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:04:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 17:04:34,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:04:34,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642604655] [2022-11-21 17:04:34,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642604655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:04:34,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:04:34,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:04:34,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125870773] [2022-11-21 17:04:34,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:04:34,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:04:34,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:04:34,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:04:34,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:04:34,719 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) [2022-11-21 17:04:35,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:04:35,115 INFO L93 Difference]: Finished difference Result 3730 states and 5121 transitions. [2022-11-21 17:04:35,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:04:35,116 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 [2022-11-21 17:04:35,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:04:35,150 INFO L225 Difference]: With dead ends: 3730 [2022-11-21 17:04:35,150 INFO L226 Difference]: Without dead ends: 3728 [2022-11-21 17:04:35,154 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 [2022-11-21 17:04:35,156 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 [2022-11-21 17:04:35,156 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] [2022-11-21 17:04:35,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2022-11-21 17:04:35,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3703. [2022-11-21 17:04:35,408 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) [2022-11-21 17:04:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 3703 states and 5087 transitions. [2022-11-21 17:04:35,444 INFO L78 Accepts]: Start accepts. Automaton has 3703 states and 5087 transitions. Word has length 53 [2022-11-21 17:04:35,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:04:35,445 INFO L495 AbstractCegarLoop]: Abstraction has 3703 states and 5087 transitions. [2022-11-21 17:04:35,445 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) [2022-11-21 17:04:35,446 INFO L276 IsEmpty]: Start isEmpty. Operand 3703 states and 5087 transitions. [2022-11-21 17:04:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 17:04:35,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:04:35,448 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] [2022-11-21 17:04:35,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:04:35,449 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] === [2022-11-21 17:04:35,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:04:35,449 INFO L85 PathProgramCache]: Analyzing trace with hash -741927372, now seen corresponding path program 1 times [2022-11-21 17:04:35,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:04:35,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243923163] [2022-11-21 17:04:35,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:04:35,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:04:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:04:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:35,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:04:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:35,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:04:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:35,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 17:04:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:36,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:04:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:36,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:04:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:36,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 17:04:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:36,065 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-21 17:04:36,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:04:36,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243923163] [2022-11-21 17:04:36,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243923163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:04:36,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:04:36,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:04:36,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339578929] [2022-11-21 17:04:36,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:04:36,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:04:36,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:04:36,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:04:36,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:04:36,069 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) [2022-11-21 17:04:36,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:04:36,645 INFO L93 Difference]: Finished difference Result 7356 states and 10236 transitions. [2022-11-21 17:04:36,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:04:36,646 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 [2022-11-21 17:04:36,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:04:36,715 INFO L225 Difference]: With dead ends: 7356 [2022-11-21 17:04:36,716 INFO L226 Difference]: Without dead ends: 7352 [2022-11-21 17:04:36,723 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 [2022-11-21 17:04:36,728 INFO L413 NwaCegarLoop]: 3080 mSDtfsCounter, 2580 mSDsluCounter, 8662 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 11742 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 [2022-11-21 17:04:36,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2581 Valid, 11742 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:04:36,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7352 states. [2022-11-21 17:04:37,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7352 to 7313. [2022-11-21 17:04:37,256 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) [2022-11-21 17:04:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7313 states to 7313 states and 10182 transitions. [2022-11-21 17:04:37,316 INFO L78 Accepts]: Start accepts. Automaton has 7313 states and 10182 transitions. Word has length 58 [2022-11-21 17:04:37,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:04:37,317 INFO L495 AbstractCegarLoop]: Abstraction has 7313 states and 10182 transitions. [2022-11-21 17:04:37,318 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) [2022-11-21 17:04:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 7313 states and 10182 transitions. [2022-11-21 17:04:37,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 17:04:37,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:04:37,328 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] [2022-11-21 17:04:37,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:04:37,329 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] === [2022-11-21 17:04:37,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:04:37,329 INFO L85 PathProgramCache]: Analyzing trace with hash 954685168, now seen corresponding path program 1 times [2022-11-21 17:04:37,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:04:37,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857362462] [2022-11-21 17:04:37,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:04:37,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:04:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:37,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:04:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:04:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:04:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 17:04:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:37,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:04:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:37,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:04:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 17:04:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 17:04:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 17:04:37,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:04:37,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857362462] [2022-11-21 17:04:37,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857362462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:04:37,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:04:37,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:04:37,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733498427] [2022-11-21 17:04:37,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:04:37,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:04:37,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:04:37,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:04:37,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:04:37,912 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) [2022-11-21 17:04:38,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:04:38,855 INFO L93 Difference]: Finished difference Result 14617 states and 20787 transitions. [2022-11-21 17:04:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:04:38,859 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 [2022-11-21 17:04:38,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:04:39,002 INFO L225 Difference]: With dead ends: 14617 [2022-11-21 17:04:39,003 INFO L226 Difference]: Without dead ends: 14547 [2022-11-21 17:04:39,015 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 [2022-11-21 17:04:39,016 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 [2022-11-21 17:04:39,016 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] [2022-11-21 17:04:39,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14547 states. [2022-11-21 17:04:40,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14547 to 14537. [2022-11-21 17:04:40,261 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) [2022-11-21 17:04:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14537 states to 14537 states and 20694 transitions. [2022-11-21 17:04:40,405 INFO L78 Accepts]: Start accepts. Automaton has 14537 states and 20694 transitions. Word has length 70 [2022-11-21 17:04:40,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:04:40,405 INFO L495 AbstractCegarLoop]: Abstraction has 14537 states and 20694 transitions. [2022-11-21 17:04:40,407 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) [2022-11-21 17:04:40,407 INFO L276 IsEmpty]: Start isEmpty. Operand 14537 states and 20694 transitions. [2022-11-21 17:04:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-21 17:04:40,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:04:40,500 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] [2022-11-21 17:04:40,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:04:40,501 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] === [2022-11-21 17:04:40,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:04:40,501 INFO L85 PathProgramCache]: Analyzing trace with hash -219929749, now seen corresponding path program 1 times [2022-11-21 17:04:40,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:04:40,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780439409] [2022-11-21 17:04:40,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:04:40,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:04:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:43,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:04:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:43,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:04:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:43,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:04:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:43,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:04:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:43,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:04:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:43,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:04:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:04:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:04:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 17:04:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:04:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 17:04:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:04:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 17:04:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:04:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 17:04:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-21 17:04:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:04:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:04:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-21 17:04:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 17:04:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 17:04:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-21 17:04:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-21 17:04:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-21 17:04:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-21 17:04:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-21 17:04:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-21 17:04:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-21 17:04:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-21 17:04:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-21 17:04:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-11-21 17:04:44,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:04:44,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780439409] [2022-11-21 17:04:44,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780439409] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:04:44,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365017672] [2022-11-21 17:04:44,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:04:44,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:04:44,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:04:44,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:04:44,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 17:04:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:45,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-21 17:04:45,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:04:46,318 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-11-21 17:04:46,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:04:46,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365017672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:04:46,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:04:46,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 25 [2022-11-21 17:04:46,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187647894] [2022-11-21 17:04:46,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:04:46,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-21 17:04:46,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:04:46,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-21 17:04:46,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2022-11-21 17:04:46,322 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) [2022-11-21 17:04:48,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:04:48,702 INFO L93 Difference]: Finished difference Result 29469 states and 41997 transitions. [2022-11-21 17:04:48,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-21 17:04:48,703 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 [2022-11-21 17:04:48,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:04:48,829 INFO L225 Difference]: With dead ends: 29469 [2022-11-21 17:04:48,829 INFO L226 Difference]: Without dead ends: 14939 [2022-11-21 17:04:48,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2022-11-21 17:04:48,942 INFO L413 NwaCegarLoop]: 2595 mSDtfsCounter, 177 mSDsluCounter, 30819 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 33414 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:04:48,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 33414 Invalid, 600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [46 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:04:48,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14939 states. [2022-11-21 17:04:50,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14939 to 14667. [2022-11-21 17:04:50,159 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) [2022-11-21 17:04:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14667 states to 14667 states and 20895 transitions. [2022-11-21 17:04:50,310 INFO L78 Accepts]: Start accepts. Automaton has 14667 states and 20895 transitions. Word has length 304 [2022-11-21 17:04:50,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:04:50,312 INFO L495 AbstractCegarLoop]: Abstraction has 14667 states and 20895 transitions. [2022-11-21 17:04:50,312 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) [2022-11-21 17:04:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 14667 states and 20895 transitions. [2022-11-21 17:04:50,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-11-21 17:04:50,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:04:50,327 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] [2022-11-21 17:04:50,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 17:04:50,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:04:50,540 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] === [2022-11-21 17:04:50,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:04:50,541 INFO L85 PathProgramCache]: Analyzing trace with hash 94184785, now seen corresponding path program 1 times [2022-11-21 17:04:50,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:04:50,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532133499] [2022-11-21 17:04:50,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:04:50,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:04:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:04:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:04:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:04:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:04:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:04:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:04:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:04:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:04:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:04:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 17:04:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 17:04:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:04:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 17:04:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 17:04:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:52,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 17:04:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 17:04:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:04:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 17:04:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 17:04:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 17:04:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 17:04:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-21 17:04:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 17:04:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 17:04:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-21 17:04:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-21 17:04:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-21 17:04:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-21 17:04:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-21 17:04:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-21 17:04:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-21 17:04:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 17:04:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-21 17:04:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-11-21 17:04:53,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:04:53,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532133499] [2022-11-21 17:04:53,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532133499] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:04:53,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447039545] [2022-11-21 17:04:53,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:04:53,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:04:53,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:04:53,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:04:53,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 17:04:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:54,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 3224 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-21 17:04:54,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:04:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 25 proven. 21 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2022-11-21 17:04:55,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:04:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2022-11-21 17:04:56,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447039545] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:04:56,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:04:56,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15, 15] total 26 [2022-11-21 17:04:56,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710095687] [2022-11-21 17:04:56,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:04:56,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-21 17:04:56,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:04:56,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-21 17:04:56,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-21 17:04:56,081 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) [2022-11-21 17:05:33,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:05:33,693 INFO L93 Difference]: Finished difference Result 34312 states and 51314 transitions. [2022-11-21 17:05:33,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-21 17:05:33,695 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 [2022-11-21 17:05:33,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:05:33,851 INFO L225 Difference]: With dead ends: 34312 [2022-11-21 17:05:33,851 INFO L226 Difference]: Without dead ends: 19653 [2022-11-21 17:05:33,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 758 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=207, Invalid=1599, Unknown=0, NotChecked=0, Total=1806 [2022-11-21 17:05:33,985 INFO L413 NwaCegarLoop]: 1174 mSDtfsCounter, 2997 mSDsluCounter, 21155 mSDsCounter, 0 mSdLazyCounter, 39727 mSolverCounterSat, 1513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3471 SdHoareTripleChecker+Valid, 22329 SdHoareTripleChecker+Invalid, 41240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1513 IncrementalHoareTripleChecker+Valid, 39727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:05:33,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3471 Valid, 22329 Invalid, 41240 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1513 Valid, 39727 Invalid, 0 Unknown, 0 Unchecked, 34.7s Time] [2022-11-21 17:05:34,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19653 states. [2022-11-21 17:05:35,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19653 to 18112. [2022-11-21 17:05:35,663 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) [2022-11-21 17:05:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18112 states to 18112 states and 26518 transitions. [2022-11-21 17:05:36,035 INFO L78 Accepts]: Start accepts. Automaton has 18112 states and 26518 transitions. Word has length 333 [2022-11-21 17:05:36,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:05:36,035 INFO L495 AbstractCegarLoop]: Abstraction has 18112 states and 26518 transitions. [2022-11-21 17:05:36,036 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) [2022-11-21 17:05:36,036 INFO L276 IsEmpty]: Start isEmpty. Operand 18112 states and 26518 transitions. [2022-11-21 17:05:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-11-21 17:05:36,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:05:36,052 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] [2022-11-21 17:05:36,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:05:36,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-21 17:05:36,268 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] === [2022-11-21 17:05:36,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:05:36,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1059092645, now seen corresponding path program 1 times [2022-11-21 17:05:36,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:05:36,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351027804] [2022-11-21 17:05:36,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:05:36,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:05:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:05:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:05:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:05:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:05:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:05:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:05:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:05:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:05:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:05:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:05:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:05:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:05:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:05:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 17:05:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:05:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 17:05:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 17:05:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 17:05:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:05:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 17:05:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 17:05:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 17:05:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 17:05:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-21 17:05:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 17:05:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:05:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-21 17:05:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-21 17:05:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-21 17:05:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-21 17:05:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-21 17:05:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-21 17:05:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-21 17:05:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 17:05:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-21 17:05:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-21 17:05:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2022-11-21 17:05:38,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:05:38,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351027804] [2022-11-21 17:05:38,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351027804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:05:38,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:05:38,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 17:05:38,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215076888] [2022-11-21 17:05:38,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:05:38,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 17:05:38,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:05:38,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 17:05:38,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:05:38,675 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) [2022-11-21 17:05:52,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:05:52,946 INFO L93 Difference]: Finished difference Result 37760 states and 57301 transitions. [2022-11-21 17:05:52,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 17:05:52,947 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 [2022-11-21 17:05:52,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:05:53,096 INFO L225 Difference]: With dead ends: 37760 [2022-11-21 17:05:53,097 INFO L226 Difference]: Without dead ends: 19663 [2022-11-21 17:05:53,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:05:53,371 INFO L413 NwaCegarLoop]: 1188 mSDtfsCounter, 3522 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 9283 mSolverCounterSat, 2207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3926 SdHoareTripleChecker+Valid, 6199 SdHoareTripleChecker+Invalid, 11490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2207 IncrementalHoareTripleChecker+Valid, 9283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:05:53,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3926 Valid, 6199 Invalid, 11490 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2207 Valid, 9283 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2022-11-21 17:05:53,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19663 states. [2022-11-21 17:05:54,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19663 to 18136. [2022-11-21 17:05:54,687 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) [2022-11-21 17:05:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18136 states to 18136 states and 26542 transitions. [2022-11-21 17:05:54,838 INFO L78 Accepts]: Start accepts. Automaton has 18136 states and 26542 transitions. Word has length 356 [2022-11-21 17:05:54,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:05:54,840 INFO L495 AbstractCegarLoop]: Abstraction has 18136 states and 26542 transitions. [2022-11-21 17:05:54,841 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) [2022-11-21 17:05:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 18136 states and 26542 transitions. [2022-11-21 17:05:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-11-21 17:05:54,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:05:54,856 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] [2022-11-21 17:05:54,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 17:05:54,857 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] === [2022-11-21 17:05:54,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:05:54,858 INFO L85 PathProgramCache]: Analyzing trace with hash 685901173, now seen corresponding path program 1 times [2022-11-21 17:05:54,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:05:54,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680150748] [2022-11-21 17:05:54,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:05:54,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:05:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:55,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:05:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:55,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:05:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:55,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:05:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:55,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:05:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:55,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:05:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:05:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:05:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:05:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:05:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:05:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:05:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:05:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:05:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 17:05:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:05:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 17:05:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 17:05:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:05:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:05:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:05:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:05:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:05:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:05:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:05:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 17:05:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 17:05:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-21 17:05:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 17:05:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-21 17:05:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-21 17:05:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-21 17:05:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-21 17:05:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-21 17:05:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-21 17:05:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-21 17:05:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-21 17:05:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 17:05:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-21 17:05:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2022-11-21 17:05:57,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:05:57,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680150748] [2022-11-21 17:05:57,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680150748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:05:57,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:05:57,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 17:05:57,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998687096] [2022-11-21 17:05:57,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:05:57,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 17:05:57,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:05:57,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 17:05:57,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-21 17:05:57,151 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) [2022-11-21 17:06:11,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:06:14,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:06:18,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:06:18,331 INFO L93 Difference]: Finished difference Result 37764 states and 56662 transitions. [2022-11-21 17:06:18,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 17:06:18,331 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 [2022-11-21 17:06:18,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:06:18,480 INFO L225 Difference]: With dead ends: 37764 [2022-11-21 17:06:18,481 INFO L226 Difference]: Without dead ends: 19643 [2022-11-21 17:06:18,642 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 [2022-11-21 17:06:18,644 INFO L413 NwaCegarLoop]: 1192 mSDtfsCounter, 2343 mSDsluCounter, 6820 mSDsCounter, 0 mSdLazyCounter, 13208 mSolverCounterSat, 822 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2749 SdHoareTripleChecker+Valid, 8012 SdHoareTripleChecker+Invalid, 14030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 822 IncrementalHoareTripleChecker+Valid, 13208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:06:18,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2749 Valid, 8012 Invalid, 14030 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [822 Valid, 13208 Invalid, 0 Unknown, 0 Unchecked, 19.1s Time] [2022-11-21 17:06:18,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19643 states. [2022-11-21 17:06:20,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19643 to 18130. [2022-11-21 17:06:20,058 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) [2022-11-21 17:06:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18130 states to 18130 states and 26537 transitions. [2022-11-21 17:06:20,211 INFO L78 Accepts]: Start accepts. Automaton has 18130 states and 26537 transitions. Word has length 377 [2022-11-21 17:06:20,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:06:20,212 INFO L495 AbstractCegarLoop]: Abstraction has 18130 states and 26537 transitions. [2022-11-21 17:06:20,212 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) [2022-11-21 17:06:20,212 INFO L276 IsEmpty]: Start isEmpty. Operand 18130 states and 26537 transitions. [2022-11-21 17:06:20,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-11-21 17:06:20,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:06:20,235 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] [2022-11-21 17:06:20,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 17:06:20,236 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] === [2022-11-21 17:06:20,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:06:20,236 INFO L85 PathProgramCache]: Analyzing trace with hash -480197432, now seen corresponding path program 1 times [2022-11-21 17:06:20,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:06:20,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819745013] [2022-11-21 17:06:20,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:06:20,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:06:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:06:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:06:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:06:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:06:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:06:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:06:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:06:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:06:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:06:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:06:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:06:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:06:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:06:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 17:06:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:06:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 17:06:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 17:06:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:06:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:06:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:06:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:06:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:06:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:06:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:06:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 17:06:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 17:06:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-21 17:06:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-21 17:06:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-21 17:06:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 17:06:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-21 17:06:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-21 17:06:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-21 17:06:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-11-21 17:06:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-21 17:06:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-11-21 17:06:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-11-21 17:06:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-21 17:06:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-21 17:06:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:21,983 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 836 trivial. 0 not checked. [2022-11-21 17:06:21,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:06:21,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819745013] [2022-11-21 17:06:21,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819745013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:06:21,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:06:21,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 17:06:21,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333014085] [2022-11-21 17:06:21,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:06:21,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 17:06:21,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:06:21,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 17:06:21,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:06:21,987 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) [2022-11-21 17:06:41,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:06:41,929 INFO L93 Difference]: Finished difference Result 41216 states and 62317 transitions. [2022-11-21 17:06:41,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-21 17:06:41,930 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 [2022-11-21 17:06:41,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:06:42,084 INFO L225 Difference]: With dead ends: 41216 [2022-11-21 17:06:42,084 INFO L226 Difference]: Without dead ends: 23101 [2022-11-21 17:06:42,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2022-11-21 17:06:42,201 INFO L413 NwaCegarLoop]: 1412 mSDtfsCounter, 5618 mSDsluCounter, 9032 mSDsCounter, 0 mSdLazyCounter, 15363 mSolverCounterSat, 4353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6006 SdHoareTripleChecker+Valid, 10444 SdHoareTripleChecker+Invalid, 19716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4353 IncrementalHoareTripleChecker+Valid, 15363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:06:42,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6006 Valid, 10444 Invalid, 19716 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4353 Valid, 15363 Invalid, 0 Unknown, 0 Unchecked, 17.7s Time] [2022-11-21 17:06:42,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23101 states. [2022-11-21 17:06:43,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23101 to 21238. [2022-11-21 17:06:43,842 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) [2022-11-21 17:06:44,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21238 states to 21238 states and 31551 transitions. [2022-11-21 17:06:44,017 INFO L78 Accepts]: Start accepts. Automaton has 21238 states and 31551 transitions. Word has length 393 [2022-11-21 17:06:44,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:06:44,019 INFO L495 AbstractCegarLoop]: Abstraction has 21238 states and 31551 transitions. [2022-11-21 17:06:44,019 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) [2022-11-21 17:06:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 21238 states and 31551 transitions. [2022-11-21 17:06:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-11-21 17:06:44,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:06:44,084 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] [2022-11-21 17:06:44,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 17:06:44,084 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] === [2022-11-21 17:06:44,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:06:44,085 INFO L85 PathProgramCache]: Analyzing trace with hash 429622015, now seen corresponding path program 1 times [2022-11-21 17:06:44,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:06:44,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083216641] [2022-11-21 17:06:44,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:06:44,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:06:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:44,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:06:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:06:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:06:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:44,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:06:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:44,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:06:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:44,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:44,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:44,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:06:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:44,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:06:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:06:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:06:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:06:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:06:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:06:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:06:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 17:06:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:06:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 17:06:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 17:06:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:06:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:06:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:06:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:06:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:06:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:06:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:06:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 17:06:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 17:06:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-21 17:06:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-21 17:06:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-21 17:06:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-21 17:06:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-21 17:06:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-21 17:06:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-21 17:06:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-21 17:06:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-21 17:06:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-21 17:06:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-21 17:06:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-11-21 17:06:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:06:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-11-21 17:06:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-11-21 17:06:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-21 17:06:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-11-21 17:06:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-21 17:06:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-11-21 17:06:46,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:06:46,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083216641] [2022-11-21 17:06:46,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083216641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:06:46,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:06:46,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 17:06:46,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151390565] [2022-11-21 17:06:46,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:06:46,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 17:06:46,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:06:46,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 17:06:46,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:06:46,132 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) [2022-11-21 17:07:12,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:12,222 INFO L93 Difference]: Finished difference Result 44789 states and 69711 transitions. [2022-11-21 17:07:12,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-21 17:07:12,227 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 [2022-11-21 17:07:12,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:12,422 INFO L225 Difference]: With dead ends: 44789 [2022-11-21 17:07:12,423 INFO L226 Difference]: Without dead ends: 23566 [2022-11-21 17:07:12,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=239, Invalid=883, Unknown=0, NotChecked=0, Total=1122 [2022-11-21 17:07:12,573 INFO L413 NwaCegarLoop]: 1528 mSDtfsCounter, 8873 mSDsluCounter, 10015 mSDsCounter, 0 mSdLazyCounter, 17949 mSolverCounterSat, 7100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9367 SdHoareTripleChecker+Valid, 11543 SdHoareTripleChecker+Invalid, 25049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7100 IncrementalHoareTripleChecker+Valid, 17949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:12,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9367 Valid, 11543 Invalid, 25049 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7100 Valid, 17949 Invalid, 0 Unknown, 0 Unchecked, 23.2s Time] [2022-11-21 17:07:12,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23566 states. [2022-11-21 17:07:14,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23566 to 18784. [2022-11-21 17:07:14,414 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) [2022-11-21 17:07:14,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18784 states to 18784 states and 27932 transitions. [2022-11-21 17:07:14,518 INFO L78 Accepts]: Start accepts. Automaton has 18784 states and 27932 transitions. Word has length 435 [2022-11-21 17:07:14,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:14,520 INFO L495 AbstractCegarLoop]: Abstraction has 18784 states and 27932 transitions. [2022-11-21 17:07:14,520 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) [2022-11-21 17:07:14,520 INFO L276 IsEmpty]: Start isEmpty. Operand 18784 states and 27932 transitions. [2022-11-21 17:07:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-11-21 17:07:14,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:14,574 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] [2022-11-21 17:07:14,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 17:07:14,574 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] === [2022-11-21 17:07:14,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:14,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1040891073, now seen corresponding path program 1 times [2022-11-21 17:07:14,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:14,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993008358] [2022-11-21 17:07:14,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:14,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:07:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:07:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:07:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:07:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:07:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:07:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:07:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:07:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:07:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:07:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:07:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:07:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:07:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 17:07:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:07:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 17:07:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 17:07:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:07:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:07:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:07:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:07:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:07:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:07:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:07:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 17:07:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 17:07:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-21 17:07:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-21 17:07:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-21 17:07:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-21 17:07:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-21 17:07:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-21 17:07:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-21 17:07:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-21 17:07:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-21 17:07:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-21 17:07:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-21 17:07:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-11-21 17:07:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:07:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-11-21 17:07:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-11-21 17:07:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-21 17:07:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-11-21 17:07:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-21 17:07:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-11-21 17:07:16,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:16,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993008358] [2022-11-21 17:07:16,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993008358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:16,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:07:16,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 17:07:16,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893345868] [2022-11-21 17:07:16,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:16,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 17:07:16,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:16,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 17:07:16,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:07:16,398 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) [2022-11-21 17:07:42,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:42,067 INFO L93 Difference]: Finished difference Result 42022 states and 63992 transitions. [2022-11-21 17:07:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-21 17:07:42,068 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 [2022-11-21 17:07:42,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:42,242 INFO L225 Difference]: With dead ends: 42022 [2022-11-21 17:07:42,242 INFO L226 Difference]: Without dead ends: 23253 [2022-11-21 17:07:42,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=206, Invalid=916, Unknown=0, NotChecked=0, Total=1122 [2022-11-21 17:07:42,368 INFO L413 NwaCegarLoop]: 1387 mSDtfsCounter, 7680 mSDsluCounter, 9522 mSDsCounter, 0 mSdLazyCounter, 17762 mSolverCounterSat, 5658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8151 SdHoareTripleChecker+Valid, 10909 SdHoareTripleChecker+Invalid, 23420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5658 IncrementalHoareTripleChecker+Valid, 17762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:42,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8151 Valid, 10909 Invalid, 23420 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5658 Valid, 17762 Invalid, 0 Unknown, 0 Unchecked, 22.8s Time] [2022-11-21 17:07:42,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23253 states. [2022-11-21 17:07:44,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23253 to 18784. [2022-11-21 17:07:44,033 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) [2022-11-21 17:07:44,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18784 states to 18784 states and 27929 transitions. [2022-11-21 17:07:44,136 INFO L78 Accepts]: Start accepts. Automaton has 18784 states and 27929 transitions. Word has length 435 [2022-11-21 17:07:44,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:44,137 INFO L495 AbstractCegarLoop]: Abstraction has 18784 states and 27929 transitions. [2022-11-21 17:07:44,137 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) [2022-11-21 17:07:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 18784 states and 27929 transitions. [2022-11-21 17:07:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-11-21 17:07:44,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:44,196 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] [2022-11-21 17:07:44,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 17:07:44,196 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] === [2022-11-21 17:07:44,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:44,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1401675439, now seen corresponding path program 1 times [2022-11-21 17:07:44,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:44,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504477258] [2022-11-21 17:07:44,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:44,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:07:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:07:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:07:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:07:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:07:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:07:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:07:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:07:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:07:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:07:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:07:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:07:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:07:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 17:07:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:07:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 17:07:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 17:07:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:07:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:07:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:07:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:07:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:07:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:07:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:07:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 17:07:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 17:07:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-21 17:07:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-21 17:07:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-21 17:07:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-21 17:07:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-21 17:07:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-21 17:07:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-21 17:07:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 17:07:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 17:07:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 17:07:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-21 17:07:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-11-21 17:07:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-11-21 17:07:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-21 17:07:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-21 17:07:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-11-21 17:07:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-11-21 17:07:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-21 17:07:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-11-21 17:07:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-11-21 17:07:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:48,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1055 trivial. 0 not checked. [2022-11-21 17:07:48,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:48,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504477258] [2022-11-21 17:07:48,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504477258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:48,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:07:48,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 17:07:48,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748212941] [2022-11-21 17:07:48,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:48,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 17:07:48,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:48,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 17:07:48,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:07:48,239 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) [2022-11-21 17:08:12,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:08:12,114 INFO L93 Difference]: Finished difference Result 42149 states and 65236 transitions. [2022-11-21 17:08:12,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-21 17:08:12,115 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 [2022-11-21 17:08:12,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:08:12,259 INFO L225 Difference]: With dead ends: 42149 [2022-11-21 17:08:12,260 INFO L226 Difference]: Without dead ends: 23380 [2022-11-21 17:08:12,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=200, Invalid=922, Unknown=0, NotChecked=0, Total=1122 [2022-11-21 17:08:12,368 INFO L413 NwaCegarLoop]: 1420 mSDtfsCounter, 7909 mSDsluCounter, 8357 mSDsCounter, 0 mSdLazyCounter, 15419 mSolverCounterSat, 5826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8402 SdHoareTripleChecker+Valid, 9777 SdHoareTripleChecker+Invalid, 21245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5826 IncrementalHoareTripleChecker+Valid, 15419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:08:12,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8402 Valid, 9777 Invalid, 21245 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5826 Valid, 15419 Invalid, 0 Unknown, 0 Unchecked, 20.9s Time] [2022-11-21 17:08:12,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23380 states. [2022-11-21 17:08:13,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23380 to 18802. [2022-11-21 17:08:13,665 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) [2022-11-21 17:08:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18802 states to 18802 states and 27947 transitions. [2022-11-21 17:08:13,765 INFO L78 Accepts]: Start accepts. Automaton has 18802 states and 27947 transitions. Word has length 466 [2022-11-21 17:08:13,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:08:13,766 INFO L495 AbstractCegarLoop]: Abstraction has 18802 states and 27947 transitions. [2022-11-21 17:08:13,767 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) [2022-11-21 17:08:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 18802 states and 27947 transitions. [2022-11-21 17:08:14,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-11-21 17:08:14,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:14,019 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] [2022-11-21 17:08:14,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 17:08:14,019 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] === [2022-11-21 17:08:14,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:14,020 INFO L85 PathProgramCache]: Analyzing trace with hash -214325720, now seen corresponding path program 1 times [2022-11-21 17:08:14,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:08:14,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177586475] [2022-11-21 17:08:14,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:14,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:08:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:08:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:08:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:08:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:08:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:08:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:08:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:08:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:16,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:08:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:08:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:08:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:08:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:08:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:08:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 17:08:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:08:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 17:08:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 17:08:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:08:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:08:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:08:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:08:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:08:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:08:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:08:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 17:08:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 17:08:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-21 17:08:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-21 17:08:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-21 17:08:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-21 17:08:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 17:08:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-21 17:08:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-21 17:08:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:17,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-21 17:08:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 17:08:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-21 17:08:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:08:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-21 17:08:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-11-21 17:08:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-21 17:08:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-21 17:08:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-21 17:08:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-11-21 17:08:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-11-21 17:08:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-11-21 17:08:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-11-21 17:08:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 17 proven. 42 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2022-11-21 17:08:18,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:08:18,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177586475] [2022-11-21 17:08:18,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177586475] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:08:18,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508442147] [2022-11-21 17:08:18,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:18,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:08:18,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:08:18,130 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:08:18,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 17:08:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:19,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 3764 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-21 17:08:19,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:08:19,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-11-21 17:08:19,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:08:19,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508442147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:08:19,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:08:19,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 23 [2022-11-21 17:08:19,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906272842] [2022-11-21 17:08:19,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:08:19,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:08:19,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:08:19,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:08:19,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2022-11-21 17:08:19,668 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) [2022-11-21 17:08:20,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:08:20,842 INFO L93 Difference]: Finished difference Result 36588 states and 55807 transitions. [2022-11-21 17:08:20,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:08:20,843 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 [2022-11-21 17:08:20,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:08:20,973 INFO L225 Difference]: With dead ends: 36588 [2022-11-21 17:08:20,973 INFO L226 Difference]: Without dead ends: 17801 [2022-11-21 17:08:21,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2022-11-21 17:08:21,104 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 [2022-11-21 17:08:21,104 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] [2022-11-21 17:08:21,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17801 states. [2022-11-21 17:08:22,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17801 to 17023. [2022-11-21 17:08:22,572 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) [2022-11-21 17:08:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17023 states to 17023 states and 25199 transitions. [2022-11-21 17:08:22,654 INFO L78 Accepts]: Start accepts. Automaton has 17023 states and 25199 transitions. Word has length 462 [2022-11-21 17:08:22,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:08:22,655 INFO L495 AbstractCegarLoop]: Abstraction has 17023 states and 25199 transitions. [2022-11-21 17:08:22,655 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) [2022-11-21 17:08:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 17023 states and 25199 transitions. [2022-11-21 17:08:22,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-11-21 17:08:22,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:22,691 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] [2022-11-21 17:08:22,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:08:22,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-21 17:08:22,893 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] === [2022-11-21 17:08:22,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:22,893 INFO L85 PathProgramCache]: Analyzing trace with hash 2066796198, now seen corresponding path program 1 times [2022-11-21 17:08:22,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:08:22,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270252628] [2022-11-21 17:08:22,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:22,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:08:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:08:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:08:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:08:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:08:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:08:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:08:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:08:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:26,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:08:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:27,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:08:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:08:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:27,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:08:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:27,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:08:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:27,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:08:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 17:08:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:08:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 17:08:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 17:08:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:08:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:08:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:08:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:08:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:08:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:08:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:08:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 17:08:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 17:08:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-21 17:08:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-21 17:08:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-21 17:08:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-21 17:08:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 17:08:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-21 17:08:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-21 17:08:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-21 17:08:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 17:08:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-21 17:08:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:08:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-21 17:08:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-11-21 17:08:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-21 17:08:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-21 17:08:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-21 17:08:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-11-21 17:08:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-11-21 17:08:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-11-21 17:08:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-11-21 17:08:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 17 proven. 42 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2022-11-21 17:08:28,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:08:28,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270252628] [2022-11-21 17:08:28,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270252628] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:08:28,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49559781] [2022-11-21 17:08:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:28,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:08:28,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:08:28,650 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:08:28,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 17:08:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:30,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 3767 conjuncts, 99 conjunts are in the unsatisfiable core [2022-11-21 17:08:30,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:08:30,588 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 [2022-11-21 17:08:30,599 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 [2022-11-21 17:08:33,342 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 [2022-11-21 17:08:33,355 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 [2022-11-21 17:08:33,389 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 [2022-11-21 17:08:33,393 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 [2022-11-21 17:08:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 498 proven. 10 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-11-21 17:08:33,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:08:36,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49559781] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:08:36,120 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:08:36,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22] total 36 [2022-11-21 17:08:36,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267483490] [2022-11-21 17:08:36,121 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:08:36,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-21 17:08:36,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:08:36,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-21 17:08:36,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=2099, Unknown=0, NotChecked=0, Total=2256 [2022-11-21 17:08:36,125 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) [2022-11-21 17:09:19,550 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] [2022-11-21 17:09:21,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:10:00,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:10:02,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:10:05,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:10:07,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:10:09,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:10:11,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:10:30,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:33,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:10:35,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:10:43,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:45,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:10:48,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:11:01,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:11:13,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:11:25,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:12:00,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:12:00,244 INFO L93 Difference]: Finished difference Result 52413 states and 85221 transitions. [2022-11-21 17:12:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-21 17:12:00,245 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 [2022-11-21 17:12:00,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:12:00,512 INFO L225 Difference]: With dead ends: 52413 [2022-11-21 17:12:00,512 INFO L226 Difference]: Without dead ends: 35405 [2022-11-21 17:12:00,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 917 GetRequests, 751 SyntacticMatches, 9 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8215 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=2100, Invalid=23022, Unknown=0, NotChecked=0, Total=25122 [2022-11-21 17:12:00,649 INFO L413 NwaCegarLoop]: 1983 mSDtfsCounter, 10358 mSDsluCounter, 39402 mSDsCounter, 0 mSdLazyCounter, 100330 mSolverCounterSat, 8719 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 178.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10903 SdHoareTripleChecker+Valid, 41385 SdHoareTripleChecker+Invalid, 109064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.0s SdHoareTripleChecker+Time, 8719 IncrementalHoareTripleChecker+Valid, 100330 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 190.6s IncrementalHoareTripleChecker+Time [2022-11-21 17:12:00,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10903 Valid, 41385 Invalid, 109064 Unknown, 0 Unchecked, 1.0s Time], IncrementalHoareTripleChecker [8719 Valid, 100330 Invalid, 15 Unknown, 0 Unchecked, 190.6s Time] [2022-11-21 17:12:00,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35405 states. [2022-11-21 17:12:03,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35405 to 27766. [2022-11-21 17:12:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27766 states, 19146 states have (on average 1.2217173299905986) internal successors, (23391), 19599 states have internal predecessors, (23391), 6810 states have call successors, (6810), 1398 states have call predecessors, (6810), 1809 states have return successors, (14559), 6972 states have call predecessors, (14559), 6796 states have call successors, (14559) [2022-11-21 17:12:03,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27766 states to 27766 states and 44760 transitions. [2022-11-21 17:12:03,299 INFO L78 Accepts]: Start accepts. Automaton has 27766 states and 44760 transitions. Word has length 462 [2022-11-21 17:12:03,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:12:03,300 INFO L495 AbstractCegarLoop]: Abstraction has 27766 states and 44760 transitions. [2022-11-21 17:12:03,300 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) [2022-11-21 17:12:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 27766 states and 44760 transitions. [2022-11-21 17:12:03,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-11-21 17:12:03,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:12:03,363 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, 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] [2022-11-21 17:12:03,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 17:12:03,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-21 17:12:03,566 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] === [2022-11-21 17:12:03,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:12:03,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1829137282, now seen corresponding path program 2 times [2022-11-21 17:12:03,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:12:03,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16978255] [2022-11-21 17:12:03,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:12:03,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:12:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:05,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:12:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:05,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:12:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:05,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:12:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:05,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:12:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:12:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:12:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:12:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:12:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:12:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:12:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:12:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:12:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:12:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:12:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:12:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 17:12:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 17:12:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 17:12:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:12:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-21 17:12:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:12:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 17:12:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:12:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:12:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 17:12:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:12:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:12:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:12:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:12:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 17:12:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 17:12:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:12:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:12:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:12:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-21 17:12:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-21 17:12:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-21 17:12:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 17:12:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 17:12:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-21 17:12:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-21 17:12:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 17:12:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-11-21 17:12:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-11-21 17:12:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-11-21 17:12:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-11-21 17:12:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-11-21 17:12:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-11-21 17:12:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-11-21 17:12:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-11-21 17:12:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-11-21 17:12:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-11-21 17:12:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-11-21 17:12:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-11-21 17:12:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-11-21 17:12:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:06,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 9 proven. 65 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-11-21 17:12:06,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:12:06,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16978255] [2022-11-21 17:12:06,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16978255] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:12:06,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676453408] [2022-11-21 17:12:06,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:12:06,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:12:06,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:12:06,973 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:12:06,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 17:12:09,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 17:12:09,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:12:09,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 3923 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-21 17:12:09,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:12:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 292 proven. 3 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2022-11-21 17:12:09,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:12:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1505 trivial. 0 not checked. [2022-11-21 17:12:10,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676453408] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:12:10,677 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:12:10,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 8] total 20 [2022-11-21 17:12:10,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500508537] [2022-11-21 17:12:10,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:12:10,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-21 17:12:10,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:12:10,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-21 17:12:10,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-11-21 17:12:10,681 INFO L87 Difference]: Start difference. First operand 27766 states and 44760 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) [2022-11-21 17:12:42,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:46,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:04,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:13:04,450 INFO L93 Difference]: Finished difference Result 59003 states and 94922 transitions. [2022-11-21 17:13:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-21 17:13:04,451 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 510 [2022-11-21 17:13:04,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:13:04,626 INFO L225 Difference]: With dead ends: 59003 [2022-11-21 17:13:04,626 INFO L226 Difference]: Without dead ends: 31250 [2022-11-21 17:13:04,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1214 GetRequests, 1176 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=223, Invalid=1037, Unknown=0, NotChecked=0, Total=1260 [2022-11-21 17:13:04,760 INFO L413 NwaCegarLoop]: 1164 mSDtfsCounter, 7209 mSDsluCounter, 13736 mSDsCounter, 0 mSdLazyCounter, 30593 mSolverCounterSat, 4744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7846 SdHoareTripleChecker+Valid, 14900 SdHoareTripleChecker+Invalid, 35337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4744 IncrementalHoareTripleChecker+Valid, 30593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:13:04,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7846 Valid, 14900 Invalid, 35337 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4744 Valid, 30593 Invalid, 0 Unknown, 0 Unchecked, 49.1s Time] [2022-11-21 17:13:04,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31250 states. [2022-11-21 17:13:07,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31250 to 27766. [2022-11-21 17:13:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27766 states, 19146 states have (on average 1.221665099759741) internal successors, (23390), 19598 states have internal predecessors, (23390), 6810 states have call successors, (6810), 1398 states have call predecessors, (6810), 1809 states have return successors, (14559), 6972 states have call predecessors, (14559), 6796 states have call successors, (14559) [2022-11-21 17:13:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27766 states to 27766 states and 44759 transitions. [2022-11-21 17:13:07,583 INFO L78 Accepts]: Start accepts. Automaton has 27766 states and 44759 transitions. Word has length 510 [2022-11-21 17:13:07,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:13:07,584 INFO L495 AbstractCegarLoop]: Abstraction has 27766 states and 44759 transitions. [2022-11-21 17:13:07,584 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) [2022-11-21 17:13:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 27766 states and 44759 transitions. [2022-11-21 17:13:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2022-11-21 17:13:07,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:13:07,673 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, 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] [2022-11-21 17:13:07,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 17:13:07,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-21 17:13:07,895 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] === [2022-11-21 17:13:07,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:13:07,896 INFO L85 PathProgramCache]: Analyzing trace with hash -765390077, now seen corresponding path program 1 times [2022-11-21 17:13:07,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:13:07,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656450748] [2022-11-21 17:13:07,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:13:07,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:13:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:13:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:13:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:13:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:13:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:13:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:13:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:13:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 17:13:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 17:13:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:13:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:13:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:13:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:13:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:13:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:13:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:13:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 17:13:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 17:13:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 17:13:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:13:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-21 17:13:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:13:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 17:13:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:13:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:13:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 17:13:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:13:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 17:13:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 17:13:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:13:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:13:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:13:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-21 17:13:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-21 17:13:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-21 17:13:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 17:13:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 17:13:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-21 17:13:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-21 17:13:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-21 17:13:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-11-21 17:13:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-21 17:13:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-21 17:13:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-11-21 17:13:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-11-21 17:13:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-11-21 17:13:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-11-21 17:13:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-11-21 17:13:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-11-21 17:13:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-11-21 17:13:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-11-21 17:13:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-11-21 17:13:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-11-21 17:13:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 32 proven. 76 refuted. 0 times theorem prover too weak. 1284 trivial. 0 not checked. [2022-11-21 17:13:16,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:13:16,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656450748] [2022-11-21 17:13:16,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656450748] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:13:16,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847520470] [2022-11-21 17:13:16,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:13:16,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:13:16,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:13:16,225 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:13:16,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-21 17:13:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:19,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 3889 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-21 17:13:19,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:13:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2022-11-21 17:13:20,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:13:20,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847520470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:13:20,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:13:20,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [27] total 42 [2022-11-21 17:13:20,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995308944] [2022-11-21 17:13:20,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:13:20,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-21 17:13:20,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:13:20,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-21 17:13:20,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1618, Unknown=0, NotChecked=0, Total=1722 [2022-11-21 17:13:20,744 INFO L87 Difference]: Start difference. First operand 27766 states and 44759 transitions. Second operand has 19 states, 15 states have (on average 13.0) internal successors, (195), 14 states have internal predecessors, (195), 6 states have call successors, (69), 2 states have call predecessors, (69), 7 states have return successors, (67), 8 states have call predecessors, (67), 6 states have call successors, (67) [2022-11-21 17:13:25,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:13:25,349 INFO L93 Difference]: Finished difference Result 55565 states and 93306 transitions. [2022-11-21 17:13:25,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-21 17:13:25,350 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 13.0) internal successors, (195), 14 states have internal predecessors, (195), 6 states have call successors, (69), 2 states have call predecessors, (69), 7 states have return successors, (67), 8 states have call predecessors, (67), 6 states have call successors, (67) Word has length 498 [2022-11-21 17:13:25,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:13:25,515 INFO L225 Difference]: With dead ends: 55565 [2022-11-21 17:13:25,515 INFO L226 Difference]: Without dead ends: 27814 [2022-11-21 17:13:25,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 640 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=157, Invalid=2293, Unknown=0, NotChecked=0, Total=2450 [2022-11-21 17:13:25,674 INFO L413 NwaCegarLoop]: 2537 mSDtfsCounter, 438 mSDsluCounter, 39790 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 42327 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:13:25,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 42327 Invalid, 1079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [159 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-21 17:13:25,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27814 states. [2022-11-21 17:13:28,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27814 to 27686. [2022-11-21 17:13:28,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27686 states, 19082 states have (on average 1.2215700660308144) internal successors, (23310), 19550 states have internal predecessors, (23310), 6794 states have call successors, (6794), 1398 states have call predecessors, (6794), 1809 states have return successors, (14543), 6940 states have call predecessors, (14543), 6780 states have call successors, (14543) [2022-11-21 17:13:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27686 states to 27686 states and 44647 transitions. [2022-11-21 17:13:28,653 INFO L78 Accepts]: Start accepts. Automaton has 27686 states and 44647 transitions. Word has length 498 [2022-11-21 17:13:28,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:13:28,654 INFO L495 AbstractCegarLoop]: Abstraction has 27686 states and 44647 transitions. [2022-11-21 17:13:28,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 13.0) internal successors, (195), 14 states have internal predecessors, (195), 6 states have call successors, (69), 2 states have call predecessors, (69), 7 states have return successors, (67), 8 states have call predecessors, (67), 6 states have call successors, (67) [2022-11-21 17:13:28,654 INFO L276 IsEmpty]: Start isEmpty. Operand 27686 states and 44647 transitions. [2022-11-21 17:13:28,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2022-11-21 17:13:28,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:13:28,736 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 13, 13, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:13:28,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-21 17:13:28,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:13:28,987 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:13:28,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:13:28,989 INFO L85 PathProgramCache]: Analyzing trace with hash 760877422, now seen corresponding path program 1 times [2022-11-21 17:13:28,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:13:28,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442713173] [2022-11-21 17:13:28,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:13:28,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:13:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:13:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:13:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:13:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:13:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 17:13:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:13:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:13:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:33,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 17:13:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 17:13:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:13:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:13:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:13:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:13:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:13:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 17:13:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 17:13:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 17:13:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 17:13:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 17:13:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 17:13:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:13:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 17:13:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:13:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-21 17:13:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-21 17:13:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 17:13:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:13:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:13:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:13:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-21 17:13:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-21 17:13:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:13:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:13:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:13:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 17:13:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 17:13:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-21 17:13:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-21 17:13:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-21 17:13:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 17:13:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-11-21 17:13:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-21 17:13:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 17:13:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-21 17:13:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-11-21 17:13:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-11-21 17:13:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-11-21 17:13:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-11-21 17:13:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-11-21 17:13:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-11-21 17:13:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-11-21 17:13:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-11-21 17:13:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-11-21 17:13:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-11-21 17:13:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-11-21 17:13:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 121 proven. 7 refuted. 0 times theorem prover too weak. 1420 trivial. 0 not checked. [2022-11-21 17:13:37,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:13:37,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442713173] [2022-11-21 17:13:37,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442713173] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:13:37,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507527542] [2022-11-21 17:13:37,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:13:37,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:13:37,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:13:37,614 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:13:37,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bae25a1-7a56-4c92-95c5-a024772df2cf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-21 17:13:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:41,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 4012 conjuncts, 83 conjunts are in the unsatisfiable core [2022-11-21 17:13:41,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:13:42,634 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 17 treesize of output 13 [2022-11-21 17:13:42,647 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 [2022-11-21 17:13:44,514 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 21 treesize of output 20 [2022-11-21 17:13:44,525 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 33 treesize of output 26 [2022-11-21 17:13:44,557 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 19 treesize of output 7 [2022-11-21 17:13:44,565 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 31 treesize of output 13 [2022-11-21 17:13:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 685 proven. 12 refuted. 0 times theorem prover too weak. 851 trivial. 0 not checked. [2022-11-21 17:13:45,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:13:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 135 proven. 18 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2022-11-21 17:13:48,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507527542] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:13:48,677 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:13:48,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 22, 20] total 55 [2022-11-21 17:13:48,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139108349] [2022-11-21 17:13:48,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:13:48,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-11-21 17:13:48,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:13:48,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-11-21 17:13:48,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=2814, Unknown=0, NotChecked=0, Total=2970 [2022-11-21 17:13:48,685 INFO L87 Difference]: Start difference. First operand 27686 states and 44647 transitions. Second operand has 55 states, 48 states have (on average 6.125) internal successors, (294), 34 states have internal predecessors, (294), 14 states have call successors, (118), 9 states have call predecessors, (118), 19 states have return successors, (108), 22 states have call predecessors, (108), 14 states have call successors, (108) [2022-11-21 17:14:30,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:14:33,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:14:35,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:14:42,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:14:45,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:14:47,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:14:49,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:14:56,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:15:13,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:15:15,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:15:36,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:15:45,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:16:14,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:16:16,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:16:18,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:16:20,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:16:22,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:16:48,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []