./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa --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 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:27:47,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:27:47,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:27:47,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:27:47,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:27:47,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:27:47,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:27:47,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:27:47,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:27:47,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:27:47,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:27:47,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:27:47,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:27:47,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:27:47,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:27:47,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:27:47,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:27:47,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:27:47,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:27:47,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:27:47,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:27:47,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:27:47,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:27:47,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:27:47,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:27:47,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:27:47,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:27:47,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:27:47,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:27:47,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:27:47,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:27:47,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:27:47,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:27:47,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:27:47,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:27:47,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:27:47,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:27:47,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:27:47,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:27:47,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:27:47,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:27:47,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:27:47,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:27:47,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:27:47,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:27:47,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:27:47,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:27:47,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:27:47,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:27:47,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:27:47,933 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:27:47,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:27:47,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:27:47,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:27:47,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:27:47,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:27:47,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:27:47,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:27:47,934 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:27:47,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:27:47,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:27:47,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:27:47,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:27:47,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:27:47,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:27:47,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:27:47,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:27:47,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:27:47,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:27:47,936 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:27:47,936 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:27:47,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:27:47,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:27:47,936 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_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac [2021-12-07 00:27:48,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:27:48,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:27:48,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:27:48,119 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:27:48,119 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:27:48,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-12-07 00:27:48,173 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/data/bc136c46b/86c3fa58404f407d9ffb6c16cf634f47/FLAG4140c80cf [2021-12-07 00:27:49,011 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:27:49,011 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-12-07 00:27:49,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/data/bc136c46b/86c3fa58404f407d9ffb6c16cf634f47/FLAG4140c80cf [2021-12-07 00:27:49,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/data/bc136c46b/86c3fa58404f407d9ffb6c16cf634f47 [2021-12-07 00:27:49,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:27:49,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:27:49,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:27:49,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:27:49,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:27:49,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:27:49" (1/1) ... [2021-12-07 00:27:49,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfc50be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:49, skipping insertion in model container [2021-12-07 00:27:49,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:27:49" (1/1) ... [2021-12-07 00:27:49,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:27:49,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:27:56,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2021-12-07 00:27:56,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:27:56,270 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:27:56,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2021-12-07 00:27:56,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:27:57,224 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:27:57,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57 WrapperNode [2021-12-07 00:27:57,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:27:57,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:27:57,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:27:57,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:27:57,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57" (1/1) ... [2021-12-07 00:27:57,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57" (1/1) ... [2021-12-07 00:27:57,668 INFO L137 Inliner]: procedures = 861, calls = 7350, calls flagged for inlining = 377, calls inlined = 281, statements flattened = 14078 [2021-12-07 00:27:57,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:27:57,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:27:57,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:27:57,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:27:57,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57" (1/1) ... [2021-12-07 00:27:57,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57" (1/1) ... [2021-12-07 00:27:57,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57" (1/1) ... [2021-12-07 00:27:57,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57" (1/1) ... [2021-12-07 00:27:58,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57" (1/1) ... [2021-12-07 00:27:58,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57" (1/1) ... [2021-12-07 00:27:58,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57" (1/1) ... [2021-12-07 00:27:58,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:27:58,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:27:58,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:27:58,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:27:58,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57" (1/1) ... [2021-12-07 00:27:58,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:27:58,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:58,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:58,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308e1174-ef9c-4351-8f17-da899367212d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:27:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2021-12-07 00:27:58,255 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2021-12-07 00:27:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2021-12-07 00:27:58,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2021-12-07 00:27:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-07 00:27:58,255 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-07 00:27:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2021-12-07 00:27:58,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2021-12-07 00:27:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2021-12-07 00:27:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2021-12-07 00:27:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-07 00:27:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-07 00:27:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2021-12-07 00:27:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2021-12-07 00:27:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2021-12-07 00:27:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2021-12-07 00:27:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2021-12-07 00:27:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2021-12-07 00:27:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2021-12-07 00:27:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2021-12-07 00:27:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2021-12-07 00:27:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2021-12-07 00:27:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2021-12-07 00:27:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2021-12-07 00:27:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2021-12-07 00:27:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2021-12-07 00:27:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 00:27:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 00:27:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update_work [2021-12-07 00:27:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update_work [2021-12-07 00:27:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2021-12-07 00:27:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2021-12-07 00:27:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2021-12-07 00:27:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2021-12-07 00:27:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2021-12-07 00:27:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2021-12-07 00:27:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2021-12-07 00:27:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2021-12-07 00:27:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2021-12-07 00:27:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2021-12-07 00:27:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2021-12-07 00:27:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2021-12-07 00:27:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 00:27:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 00:27:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2021-12-07 00:27:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2021-12-07 00:27:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2021-12-07 00:27:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2021-12-07 00:27:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2021-12-07 00:27:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2021-12-07 00:27:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2021-12-07 00:27:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2021-12-07 00:27:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2021-12-07 00:27:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2021-12-07 00:27:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2021-12-07 00:27:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2021-12-07 00:27:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_led_work [2021-12-07 00:27:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_led_work [2021-12-07 00:27:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2021-12-07 00:27:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2021-12-07 00:27:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2021-12-07 00:27:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2021-12-07 00:27:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 00:27:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 00:27:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2021-12-07 00:27:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2021-12-07 00:27:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-07 00:27:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-07 00:27:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2021-12-07 00:27:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2021-12-07 00:27:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2021-12-07 00:27:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2021-12-07 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2021-12-07 00:27:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2021-12-07 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2021-12-07 00:27:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2021-12-07 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_period_work [2021-12-07 00:27:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_period_work [2021-12-07 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_8 [2021-12-07 00:27:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_8 [2021-12-07 00:27:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-07 00:27:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-07 00:27:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-07 00:27:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-07 00:27:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2021-12-07 00:27:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2021-12-07 00:27:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2021-12-07 00:27:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2021-12-07 00:27:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2021-12-07 00:27:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2021-12-07 00:27:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2021-12-07 00:27:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2021-12-07 00:27:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2021-12-07 00:27:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2021-12-07 00:27:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2021-12-07 00:27:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2021-12-07 00:27:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2021-12-07 00:27:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2021-12-07 00:27:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-07 00:27:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-07 00:27:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2021-12-07 00:27:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2021-12-07 00:27:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-07 00:27:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-07 00:27:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-07 00:27:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-07 00:27:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:27:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_duty_cycle_work [2021-12-07 00:27:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_duty_cycle_work [2021-12-07 00:27:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_8 [2021-12-07 00:27:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_8 [2021-12-07 00:27:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:27:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-07 00:27:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-07 00:27:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:27:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 00:27:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2021-12-07 00:27:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2021-12-07 00:27:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2021-12-07 00:27:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2021-12-07 00:27:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-07 00:27:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-07 00:27:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2021-12-07 00:27:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2021-12-07 00:27:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-07 00:27:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-07 00:27:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-07 00:27:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-07 00:27:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-07 00:27:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-07 00:27:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 00:27:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 00:27:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2021-12-07 00:27:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2021-12-07 00:27:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2021-12-07 00:27:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2021-12-07 00:27:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2021-12-07 00:27:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2021-12-07 00:27:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 00:27:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 00:27:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:27:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:27:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2021-12-07 00:27:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2021-12-07 00:27:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2021-12-07 00:27:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2021-12-07 00:27:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2021-12-07 00:27:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2021-12-07 00:27:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2021-12-07 00:27:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2021-12-07 00:27:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 00:27:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2021-12-07 00:27:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2021-12-07 00:27:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-07 00:27:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-07 00:27:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-07 00:27:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-07 00:27:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-07 00:27:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-07 00:27:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2021-12-07 00:27:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2021-12-07 00:27:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2021-12-07 00:27:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2021-12-07 00:27:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2021-12-07 00:27:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2021-12-07 00:27:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2021-12-07 00:27:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2021-12-07 00:27:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-07 00:27:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-07 00:27:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-07 00:27:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-07 00:27:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 00:27:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 00:27:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-12-07 00:27:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-12-07 00:27:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-07 00:27:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-07 00:27:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2021-12-07 00:27:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2021-12-07 00:27:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 00:27:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 00:27:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2021-12-07 00:27:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2021-12-07 00:27:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-07 00:27:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-07 00:27:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2021-12-07 00:27:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2021-12-07 00:27:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2021-12-07 00:27:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2021-12-07 00:27:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_8 [2021-12-07 00:27:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_8 [2021-12-07 00:27:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2021-12-07 00:27:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2021-12-07 00:27:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:27:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 00:27:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 00:27:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2021-12-07 00:27:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2021-12-07 00:27:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:27:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-07 00:27:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-07 00:27:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-07 00:27:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-07 00:27:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2021-12-07 00:27:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2021-12-07 00:27:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_7 [2021-12-07 00:27:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_7 [2021-12-07 00:27:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2021-12-07 00:27:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2021-12-07 00:27:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 00:27:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 00:27:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-07 00:27:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-07 00:27:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-07 00:27:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-07 00:27:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2021-12-07 00:27:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2021-12-07 00:27:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-07 00:27:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-07 00:27:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-07 00:27:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-07 00:27:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2021-12-07 00:27:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2021-12-07 00:27:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-07 00:27:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-07 00:27:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-07 00:27:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-07 00:27:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_8 [2021-12-07 00:27:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_8 [2021-12-07 00:27:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_wakeup [2021-12-07 00:27:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_wakeup [2021-12-07 00:27:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 00:27:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 00:27:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2021-12-07 00:27:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2021-12-07 00:27:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2021-12-07 00:27:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2021-12-07 00:27:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-12-07 00:27:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-12-07 00:27:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-07 00:27:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-07 00:27:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:27:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2021-12-07 00:27:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2021-12-07 00:27:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-07 00:27:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-07 00:27:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 00:27:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 00:27:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2021-12-07 00:27:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2021-12-07 00:27:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2021-12-07 00:27:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2021-12-07 00:27:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2021-12-07 00:27:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2021-12-07 00:27:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2021-12-07 00:27:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2021-12-07 00:27:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2021-12-07 00:27:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2021-12-07 00:27:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-07 00:27:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-07 00:27:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-07 00:27:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-07 00:27:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ani_work [2021-12-07 00:27:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ani_work [2021-12-07 00:27:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2021-12-07 00:27:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2021-12-07 00:27:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2021-12-07 00:27:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2021-12-07 00:27:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2021-12-07 00:27:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2021-12-07 00:27:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2021-12-07 00:27:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2021-12-07 00:27:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2021-12-07 00:27:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2021-12-07 00:27:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2021-12-07 00:27:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2021-12-07 00:27:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-07 00:27:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-07 00:27:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2021-12-07 00:27:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2021-12-07 00:27:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 00:27:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 00:27:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-12-07 00:27:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-12-07 00:27:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2021-12-07 00:27:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2021-12-07 00:27:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-07 00:27:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-07 00:27:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-07 00:27:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-07 00:27:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2021-12-07 00:27:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2021-12-07 00:27:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 00:27:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 00:27:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2021-12-07 00:27:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2021-12-07 00:27:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2021-12-07 00:27:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2021-12-07 00:27:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2021-12-07 00:27:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2021-12-07 00:27:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2021-12-07 00:27:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2021-12-07 00:27:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2021-12-07 00:27:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2021-12-07 00:27:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2021-12-07 00:27:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2021-12-07 00:27:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2021-12-07 00:27:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2021-12-07 00:27:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2021-12-07 00:27:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2021-12-07 00:27:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2021-12-07 00:27:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2021-12-07 00:27:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 00:27:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 00:27:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2021-12-07 00:27:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2021-12-07 00:27:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2021-12-07 00:27:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2021-12-07 00:27:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2021-12-07 00:27:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2021-12-07 00:27:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2021-12-07 00:27:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2021-12-07 00:27:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2021-12-07 00:27:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2021-12-07 00:27:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:27:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2021-12-07 00:27:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2021-12-07 00:27:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_ps_work [2021-12-07 00:27:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_ps_work [2021-12-07 00:27:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-07 00:27:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-07 00:27:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-07 00:27:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-07 00:27:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-07 00:27:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-07 00:27:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2021-12-07 00:27:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2021-12-07 00:27:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 00:27:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2021-12-07 00:27:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2021-12-07 00:27:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 00:27:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 00:27:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 00:27:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2021-12-07 00:27:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2021-12-07 00:27:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 00:27:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 00:27:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-07 00:27:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-07 00:27:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-07 00:27:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-07 00:27:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-07 00:27:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-07 00:27:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-07 00:27:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-07 00:27:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-07 00:27:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-07 00:27:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-07 00:27:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-07 00:27:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2021-12-07 00:27:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2021-12-07 00:27:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2021-12-07 00:27:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2021-12-07 00:27:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-07 00:27:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-07 00:27:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2021-12-07 00:27:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2021-12-07 00:27:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2021-12-07 00:27:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2021-12-07 00:27:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-07 00:27:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-07 00:27:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2021-12-07 00:27:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2021-12-07 00:27:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2021-12-07 00:27:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2021-12-07 00:27:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:27:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:27:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-07 00:27:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-07 00:27:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2021-12-07 00:27:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2021-12-07 00:27:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2021-12-07 00:27:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2021-12-07 00:27:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-07 00:27:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-07 00:27:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-12-07 00:27:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-12-07 00:27:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2021-12-07 00:27:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2021-12-07 00:27:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2021-12-07 00:27:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2021-12-07 00:27:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-07 00:27:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-07 00:27:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-07 00:27:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-07 00:27:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2021-12-07 00:27:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2021-12-07 00:27:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-07 00:27:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-07 00:27:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-07 00:27:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-07 00:27:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-07 00:27:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-07 00:27:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-07 00:27:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-07 00:27:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2021-12-07 00:27:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2021-12-07 00:27:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-07 00:27:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-07 00:27:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2021-12-07 00:27:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2021-12-07 00:27:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 00:27:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 00:27:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 00:27:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-07 00:27:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-07 00:27:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2021-12-07 00:27:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2021-12-07 00:27:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2021-12-07 00:27:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2021-12-07 00:27:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2021-12-07 00:27:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2021-12-07 00:27:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-07 00:27:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-07 00:27:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 00:27:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 00:27:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2021-12-07 00:27:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2021-12-07 00:27:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 00:27:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 00:27:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-07 00:27:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-07 00:27:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2021-12-07 00:27:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2021-12-07 00:27:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2021-12-07 00:27:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2021-12-07 00:27:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2021-12-07 00:27:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2021-12-07 00:27:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-07 00:27:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-07 00:27:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2021-12-07 00:27:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2021-12-07 00:27:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-07 00:27:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-07 00:27:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2021-12-07 00:27:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2021-12-07 00:27:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:27:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2021-12-07 00:27:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2021-12-07 00:27:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2021-12-07 00:27:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2021-12-07 00:27:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2021-12-07 00:27:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2021-12-07 00:27:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-07 00:27:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-07 00:27:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2021-12-07 00:27:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2021-12-07 00:27:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-07 00:27:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-07 00:27:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-07 00:27:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-07 00:27:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-12-07 00:27:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-12-07 00:27:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-07 00:27:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-07 00:27:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2021-12-07 00:27:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2021-12-07 00:27:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-07 00:27:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-07 00:27:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_restore [2021-12-07 00:27:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_restore [2021-12-07 00:27:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-07 00:27:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-07 00:27:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2021-12-07 00:27:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2021-12-07 00:27:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-07 00:27:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-07 00:27:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 00:27:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 00:27:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-07 00:27:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-07 00:27:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2021-12-07 00:27:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2021-12-07 00:27:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2021-12-07 00:27:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2021-12-07 00:27:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-07 00:27:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-07 00:27:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-07 00:27:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-07 00:27:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-07 00:27:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-07 00:27:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-07 00:27:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-07 00:27:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-12-07 00:27:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-12-07 00:27:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-07 00:27:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-07 00:27:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-07 00:27:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-07 00:27:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2021-12-07 00:27:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2021-12-07 00:27:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-12-07 00:27:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-12-07 00:27:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2021-12-07 00:27:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2021-12-07 00:27:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-07 00:27:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-07 00:27:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 00:27:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 00:27:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-12-07 00:27:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-12-07 00:27:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-07 00:27:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-07 00:27:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2021-12-07 00:27:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2021-12-07 00:27:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:27:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2021-12-07 00:27:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2021-12-07 00:27:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2021-12-07 00:27:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2021-12-07 00:27:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2021-12-07 00:27:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2021-12-07 00:27:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_channel_switch_beacon [2021-12-07 00:27:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_channel_switch_beacon [2021-12-07 00:27:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2021-12-07 00:27:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2021-12-07 00:27:59,274 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:27:59,277 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:27:59,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 00:28:10,336 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:28:10,365 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:28:10,365 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 00:28:10,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:28:10 BoogieIcfgContainer [2021-12-07 00:28:10,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:28:10,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:28:10,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:28:10,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:28:10,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:27:49" (1/3) ... [2021-12-07 00:28:10,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a62ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:28:10, skipping insertion in model container [2021-12-07 00:28:10,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:57" (2/3) ... [2021-12-07 00:28:10,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a62ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:28:10, skipping insertion in model container [2021-12-07 00:28:10,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:28:10" (3/3) ... [2021-12-07 00:28:10,377 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-12-07 00:28:10,381 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:28:10,382 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:28:10,434 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:28:10,440 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:28:10,440 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:28:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 4818 states, 3214 states have (on average 1.3419415059116366) internal successors, (4313), 3342 states have internal predecessors, (4313), 1348 states have call successors, (1348), 255 states have call predecessors, (1348), 254 states have return successors, (1329), 1292 states have call predecessors, (1329), 1329 states have call successors, (1329) [2021-12-07 00:28:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-07 00:28:10,539 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:28:10,540 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-07 00:28:10,540 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:28:10,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:28:10,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1111514246, now seen corresponding path program 1 times [2021-12-07 00:28:10,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:28:10,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652188671] [2021-12-07 00:28:10,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:28:10,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:28:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:28:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:28:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:28:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:28:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:28:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-07 00:28:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 00:28:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-07 00:28:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-07 00:28:11,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:28:11,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652188671] [2021-12-07 00:28:11,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652188671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:28:11,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:28:11,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:28:11,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584661772] [2021-12-07 00:28:11,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:28:11,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:28:11,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:28:11,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:28:11,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:28:11,659 INFO L87 Difference]: Start difference. First operand has 4818 states, 3214 states have (on average 1.3419415059116366) internal successors, (4313), 3342 states have internal predecessors, (4313), 1348 states have call successors, (1348), 255 states have call predecessors, (1348), 254 states have return successors, (1329), 1292 states have call predecessors, (1329), 1329 states have call successors, (1329) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 00:28:23,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:28:25,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:28:25,991 INFO L93 Difference]: Finished difference Result 10332 states and 15670 transitions. [2021-12-07 00:28:25,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:28:25,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2021-12-07 00:28:25,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:28:26,040 INFO L225 Difference]: With dead ends: 10332 [2021-12-07 00:28:26,040 INFO L226 Difference]: Without dead ends: 5487 [2021-12-07 00:28:26,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:28:26,074 INFO L933 BasicCegarLoop]: 6378 mSDtfsCounter, 3235 mSDsluCounter, 8101 mSDsCounter, 0 mSdLazyCounter, 5798 mSolverCounterSat, 3642 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 14479 SdHoareTripleChecker+Invalid, 9441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3642 IncrementalHoareTripleChecker+Valid, 5798 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:28:26,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3348 Valid, 14479 Invalid, 9441 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3642 Valid, 5798 Invalid, 1 Unknown, 0 Unchecked, 13.8s Time] [2021-12-07 00:28:26,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5487 states. [2021-12-07 00:28:26,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5487 to 4786. [2021-12-07 00:28:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4786 states, 3203 states have (on average 1.3356228535747736) internal successors, (4278), 3310 states have internal predecessors, (4278), 1329 states have call successors, (1329), 254 states have call predecessors, (1329), 253 states have return successors, (1328), 1291 states have call predecessors, (1328), 1328 states have call successors, (1328) [2021-12-07 00:28:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4786 states to 4786 states and 6935 transitions. [2021-12-07 00:28:26,367 INFO L78 Accepts]: Start accepts. Automaton has 4786 states and 6935 transitions. Word has length 94 [2021-12-07 00:28:26,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:28:26,368 INFO L470 AbstractCegarLoop]: Abstraction has 4786 states and 6935 transitions. [2021-12-07 00:28:26,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 00:28:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 4786 states and 6935 transitions. [2021-12-07 00:28:26,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-07 00:28:26,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:28:26,373 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-07 00:28:26,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:28:26,374 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:28:26,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:28:26,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1220216714, now seen corresponding path program 1 times [2021-12-07 00:28:26,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:28:26,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087503006] [2021-12-07 00:28:26,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:28:26,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:28:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:28:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:28:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:28:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:28:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:28:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-07 00:28:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 00:28:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-07 00:28:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:26,968 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-07 00:28:26,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:28:26,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087503006] [2021-12-07 00:28:26,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087503006] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:28:26,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:28:26,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:28:26,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267330390] [2021-12-07 00:28:26,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:28:26,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:28:26,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:28:26,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:28:26,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:28:26,972 INFO L87 Difference]: Start difference. First operand 4786 states and 6935 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 00:28:42,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:28:48,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:28:52,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:28:52,504 INFO L93 Difference]: Finished difference Result 15622 states and 23280 transitions. [2021-12-07 00:28:52,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:28:52,506 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2021-12-07 00:28:52,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:28:52,579 INFO L225 Difference]: With dead ends: 15622 [2021-12-07 00:28:52,579 INFO L226 Difference]: Without dead ends: 10853 [2021-12-07 00:28:52,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:28:52,599 INFO L933 BasicCegarLoop]: 7525 mSDtfsCounter, 12435 mSDsluCounter, 14833 mSDsCounter, 0 mSdLazyCounter, 10720 mSolverCounterSat, 8158 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13299 SdHoareTripleChecker+Valid, 22358 SdHoareTripleChecker+Invalid, 18879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8158 IncrementalHoareTripleChecker+Valid, 10720 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:28:52,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13299 Valid, 22358 Invalid, 18879 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8158 Valid, 10720 Invalid, 1 Unknown, 0 Unchecked, 24.8s Time] [2021-12-07 00:28:52,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10853 states. [2021-12-07 00:28:52,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10853 to 9464. [2021-12-07 00:28:52,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9464 states, 6327 states have (on average 1.336494389125968) internal successors, (8456), 6541 states have internal predecessors, (8456), 2634 states have call successors, (2634), 503 states have call predecessors, (2634), 502 states have return successors, (2633), 2558 states have call predecessors, (2633), 2633 states have call successors, (2633) [2021-12-07 00:28:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9464 states to 9464 states and 13723 transitions. [2021-12-07 00:28:52,985 INFO L78 Accepts]: Start accepts. Automaton has 9464 states and 13723 transitions. Word has length 94 [2021-12-07 00:28:52,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:28:52,985 INFO L470 AbstractCegarLoop]: Abstraction has 9464 states and 13723 transitions. [2021-12-07 00:28:52,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 00:28:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 9464 states and 13723 transitions. [2021-12-07 00:28:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-07 00:28:52,989 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:28:52,989 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-07 00:28:52,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:28:52,989 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:28:52,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:28:52,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1609619623, now seen corresponding path program 1 times [2021-12-07 00:28:52,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:28:52,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325579961] [2021-12-07 00:28:52,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:28:52,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:28:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:28:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:28:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:28:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:28:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:28:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 00:28:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:28:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-07 00:28:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:28:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-07 00:28:53,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:28:53,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325579961] [2021-12-07 00:28:53,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325579961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:28:53,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:28:53,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:28:53,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473553757] [2021-12-07 00:28:53,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:28:53,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:28:53,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:28:53,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:28:53,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:28:53,598 INFO L87 Difference]: Start difference. First operand 9464 states and 13723 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 00:29:07,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:29:09,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:09,977 INFO L93 Difference]: Finished difference Result 30073 states and 44795 transitions. [2021-12-07 00:29:09,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:29:09,978 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2021-12-07 00:29:09,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:29:10,089 INFO L225 Difference]: With dead ends: 30073 [2021-12-07 00:29:10,089 INFO L226 Difference]: Without dead ends: 20626 [2021-12-07 00:29:10,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:29:10,136 INFO L933 BasicCegarLoop]: 7825 mSDtfsCounter, 14881 mSDsluCounter, 9184 mSDsCounter, 0 mSdLazyCounter, 5877 mSolverCounterSat, 11177 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15642 SdHoareTripleChecker+Valid, 17009 SdHoareTripleChecker+Invalid, 17055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11177 IncrementalHoareTripleChecker+Valid, 5877 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:29:10,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15642 Valid, 17009 Invalid, 17055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11177 Valid, 5877 Invalid, 1 Unknown, 0 Unchecked, 15.6s Time] [2021-12-07 00:29:10,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20626 states. [2021-12-07 00:29:10,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20626 to 17922. [2021-12-07 00:29:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17922 states, 11976 states have (on average 1.3375918503674016) internal successors, (16019), 12384 states have internal predecessors, (16019), 4970 states have call successors, (4970), 976 states have call predecessors, (4970), 975 states have return successors, (4969), 4820 states have call predecessors, (4969), 4969 states have call successors, (4969) [2021-12-07 00:29:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17922 states to 17922 states and 25958 transitions. [2021-12-07 00:29:10,939 INFO L78 Accepts]: Start accepts. Automaton has 17922 states and 25958 transitions. Word has length 113 [2021-12-07 00:29:10,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:29:10,939 INFO L470 AbstractCegarLoop]: Abstraction has 17922 states and 25958 transitions. [2021-12-07 00:29:10,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 00:29:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 17922 states and 25958 transitions. [2021-12-07 00:29:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-07 00:29:10,944 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:29:10,944 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:10,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:29:10,945 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:29:10,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:10,945 INFO L85 PathProgramCache]: Analyzing trace with hash 842278642, now seen corresponding path program 1 times [2021-12-07 00:29:10,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:10,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358534697] [2021-12-07 00:29:10,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:10,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:29:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:29:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:29:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 00:29:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-07 00:29:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:29:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:29:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:29:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:11,707 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-12-07 00:29:11,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:11,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358534697] [2021-12-07 00:29:11,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358534697] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:11,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:11,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:29:11,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012455321] [2021-12-07 00:29:11,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:11,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:29:11,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:11,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:29:11,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:29:11,709 INFO L87 Difference]: Start difference. First operand 17922 states and 25958 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-07 00:29:26,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:29:29,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:29,268 INFO L93 Difference]: Finished difference Result 58951 states and 87798 transitions. [2021-12-07 00:29:29,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:29:29,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 145 [2021-12-07 00:29:29,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:29:29,408 INFO L225 Difference]: With dead ends: 58951 [2021-12-07 00:29:29,409 INFO L226 Difference]: Without dead ends: 41046 [2021-12-07 00:29:29,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:29:29,455 INFO L933 BasicCegarLoop]: 7628 mSDtfsCounter, 15990 mSDsluCounter, 9115 mSDsCounter, 0 mSdLazyCounter, 5882 mSolverCounterSat, 11965 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16843 SdHoareTripleChecker+Valid, 16743 SdHoareTripleChecker+Invalid, 17848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11965 IncrementalHoareTripleChecker+Valid, 5882 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:29:29,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16843 Valid, 16743 Invalid, 17848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11965 Valid, 5882 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2021-12-07 00:29:29,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41046 states. [2021-12-07 00:29:30,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41046 to 35642. [2021-12-07 00:29:30,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35642 states, 23808 states have (on average 1.3375756048387097) internal successors, (31845), 24624 states have internal predecessors, (31845), 9884 states have call successors, (9884), 1950 states have call predecessors, (9884), 1949 states have return successors, (9883), 9584 states have call predecessors, (9883), 9883 states have call successors, (9883) [2021-12-07 00:29:30,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35642 states to 35642 states and 51612 transitions. [2021-12-07 00:29:30,737 INFO L78 Accepts]: Start accepts. Automaton has 35642 states and 51612 transitions. Word has length 145 [2021-12-07 00:29:30,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:29:30,738 INFO L470 AbstractCegarLoop]: Abstraction has 35642 states and 51612 transitions. [2021-12-07 00:29:30,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-07 00:29:30,738 INFO L276 IsEmpty]: Start isEmpty. Operand 35642 states and 51612 transitions. [2021-12-07 00:29:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-07 00:29:30,743 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:29:30,743 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:30,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:29:30,743 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:29:30,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:30,743 INFO L85 PathProgramCache]: Analyzing trace with hash 50630455, now seen corresponding path program 1 times [2021-12-07 00:29:30,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:30,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554863524] [2021-12-07 00:29:30,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:30,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:29:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:29:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:29:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:29:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-07 00:29:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-07 00:29:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-07 00:29:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:29:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-07 00:29:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-07 00:29:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2021-12-07 00:29:31,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:31,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554863524] [2021-12-07 00:29:31,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554863524] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:31,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:31,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:29:31,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134767220] [2021-12-07 00:29:31,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:31,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:29:31,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:31,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:29:31,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:29:31,527 INFO L87 Difference]: Start difference. First operand 35642 states and 51612 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-07 00:29:35,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:29:49,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:29:53,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:53,347 INFO L93 Difference]: Finished difference Result 117351 states and 174683 transitions. [2021-12-07 00:29:53,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:29:53,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 172 [2021-12-07 00:29:53,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:29:53,642 INFO L225 Difference]: With dead ends: 117351 [2021-12-07 00:29:53,642 INFO L226 Difference]: Without dead ends: 81726 [2021-12-07 00:29:53,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:29:53,747 INFO L933 BasicCegarLoop]: 7686 mSDtfsCounter, 13256 mSDsluCounter, 12059 mSDsCounter, 0 mSdLazyCounter, 8319 mSolverCounterSat, 8602 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14108 SdHoareTripleChecker+Valid, 19745 SdHoareTripleChecker+Invalid, 16922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8602 IncrementalHoareTripleChecker+Valid, 8319 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:29:53,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14108 Valid, 19745 Invalid, 16922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8602 Valid, 8319 Invalid, 1 Unknown, 0 Unchecked, 19.6s Time] [2021-12-07 00:29:53,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81726 states. [2021-12-07 00:29:55,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81726 to 70928. [2021-12-07 00:29:55,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70928 states, 47375 states have (on average 1.3374142480211082) internal successors, (63360), 49007 states have internal predecessors, (63360), 19655 states have call successors, (19655), 3898 states have call predecessors, (19655), 3897 states have return successors, (19654), 19055 states have call predecessors, (19654), 19654 states have call successors, (19654) [2021-12-07 00:29:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70928 states to 70928 states and 102669 transitions. [2021-12-07 00:29:56,126 INFO L78 Accepts]: Start accepts. Automaton has 70928 states and 102669 transitions. Word has length 172 [2021-12-07 00:29:56,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:29:56,126 INFO L470 AbstractCegarLoop]: Abstraction has 70928 states and 102669 transitions. [2021-12-07 00:29:56,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-07 00:29:56,126 INFO L276 IsEmpty]: Start isEmpty. Operand 70928 states and 102669 transitions. [2021-12-07 00:29:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-07 00:29:56,131 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:29:56,131 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:56,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:29:56,132 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:29:56,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:56,132 INFO L85 PathProgramCache]: Analyzing trace with hash 131988005, now seen corresponding path program 1 times [2021-12-07 00:29:56,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:56,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929635534] [2021-12-07 00:29:56,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:56,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:29:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:29:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:29:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 00:29:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-07 00:29:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:29:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 00:29:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-07 00:29:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 00:29:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:29:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-07 00:29:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:29:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-07 00:29:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:56,855 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-07 00:29:56,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:56,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929635534] [2021-12-07 00:29:56,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929635534] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:56,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:56,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:29:56,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841541581] [2021-12-07 00:29:56,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:56,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:29:56,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:56,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:29:56,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:29:56,857 INFO L87 Difference]: Start difference. First operand 70928 states and 102669 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 00:30:11,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:18,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:23,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:30:23,790 INFO L93 Difference]: Finished difference Result 233195 states and 346962 transitions. [2021-12-07 00:30:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:30:23,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 169 [2021-12-07 00:30:23,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:30:24,500 INFO L225 Difference]: With dead ends: 233195 [2021-12-07 00:30:24,500 INFO L226 Difference]: Without dead ends: 162284 [2021-12-07 00:30:24,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:30:24,707 INFO L933 BasicCegarLoop]: 7736 mSDtfsCounter, 12338 mSDsluCounter, 15149 mSDsCounter, 0 mSdLazyCounter, 10823 mSolverCounterSat, 8038 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13181 SdHoareTripleChecker+Valid, 22885 SdHoareTripleChecker+Invalid, 18862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8038 IncrementalHoareTripleChecker+Valid, 10823 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:30:24,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13181 Valid, 22885 Invalid, 18862 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8038 Valid, 10823 Invalid, 1 Unknown, 0 Unchecked, 22.8s Time] [2021-12-07 00:30:24,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162284 states. [2021-12-07 00:30:29,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162284 to 140696. [2021-12-07 00:30:29,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140696 states, 94007 states have (on average 1.3380280191900604) internal successors, (125784), 97263 states have internal predecessors, (125784), 38895 states have call successors, (38895), 7794 states have call predecessors, (38895), 7793 states have return successors, (38894), 37703 states have call predecessors, (38894), 38894 states have call successors, (38894) [2021-12-07 00:30:29,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140696 states to 140696 states and 203573 transitions. [2021-12-07 00:30:29,849 INFO L78 Accepts]: Start accepts. Automaton has 140696 states and 203573 transitions. Word has length 169 [2021-12-07 00:30:29,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:30:29,849 INFO L470 AbstractCegarLoop]: Abstraction has 140696 states and 203573 transitions. [2021-12-07 00:30:29,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 00:30:29,850 INFO L276 IsEmpty]: Start isEmpty. Operand 140696 states and 203573 transitions. [2021-12-07 00:30:29,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-07 00:30:29,854 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:30:29,854 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:30:29,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 00:30:29,855 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:30:29,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:29,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1475034102, now seen corresponding path program 1 times [2021-12-07 00:30:29,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:30:29,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917891576] [2021-12-07 00:30:29,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:29,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:30:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:30:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:30:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:30:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:30:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:30:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-07 00:30:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:30:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-07 00:30:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:30:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:30:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-07 00:30:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-07 00:30:30,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:30:30,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917891576] [2021-12-07 00:30:30,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917891576] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:30:30,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:30:30,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:30:30,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038715485] [2021-12-07 00:30:30,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:30:30,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:30:30,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:30:30,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:30:30,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:30:30,308 INFO L87 Difference]: Start difference. First operand 140696 states and 203573 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-07 00:30:44,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:47,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:30:47,606 INFO L93 Difference]: Finished difference Result 302960 states and 447848 transitions. [2021-12-07 00:30:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:30:47,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 150 [2021-12-07 00:30:47,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:30:48,334 INFO L225 Difference]: With dead ends: 302960 [2021-12-07 00:30:48,334 INFO L226 Difference]: Without dead ends: 162265 [2021-12-07 00:30:48,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:30:48,703 INFO L933 BasicCegarLoop]: 6359 mSDtfsCounter, 4986 mSDsluCounter, 8693 mSDsCounter, 0 mSdLazyCounter, 4295 mSolverCounterSat, 5525 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5098 SdHoareTripleChecker+Valid, 15052 SdHoareTripleChecker+Invalid, 9821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5525 IncrementalHoareTripleChecker+Valid, 4295 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-12-07 00:30:48,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5098 Valid, 15052 Invalid, 9821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5525 Valid, 4295 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2021-12-07 00:30:48,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162265 states. [2021-12-07 00:30:53,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162265 to 140625. [2021-12-07 00:30:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140625 states, 93936 states have (on average 1.3380280190768183) internal successors, (125689), 97200 states have internal predecessors, (125689), 38895 states have call successors, (38895), 7794 states have call predecessors, (38895), 7793 states have return successors, (38894), 37695 states have call predecessors, (38894), 38894 states have call successors, (38894) [2021-12-07 00:30:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140625 states to 140625 states and 203478 transitions. [2021-12-07 00:30:53,967 INFO L78 Accepts]: Start accepts. Automaton has 140625 states and 203478 transitions. Word has length 150 [2021-12-07 00:30:53,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:30:53,967 INFO L470 AbstractCegarLoop]: Abstraction has 140625 states and 203478 transitions. [2021-12-07 00:30:53,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-07 00:30:53,968 INFO L276 IsEmpty]: Start isEmpty. Operand 140625 states and 203478 transitions. [2021-12-07 00:30:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-07 00:30:53,972 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:30:53,973 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:30:53,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 00:30:53,973 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:30:53,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:53,973 INFO L85 PathProgramCache]: Analyzing trace with hash 896218478, now seen corresponding path program 1 times [2021-12-07 00:30:53,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:30:53,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629344062] [2021-12-07 00:30:53,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:53,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:30:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:30:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:30:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:30:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:30:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:30:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 00:30:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:30:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-07 00:30:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:30:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-07 00:30:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-07 00:30:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-07 00:30:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 00:30:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:30:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:30:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-07 00:30:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-07 00:30:54,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:30:54,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629344062] [2021-12-07 00:30:54,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629344062] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:30:54,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:30:54,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:30:54,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33725053] [2021-12-07 00:30:54,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:30:54,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:30:54,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:30:54,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:30:54,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:30:54,482 INFO L87 Difference]: Start difference. First operand 140625 states and 203478 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 00:31:17,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:23,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:23,842 INFO L93 Difference]: Finished difference Result 463325 states and 689044 transitions. [2021-12-07 00:31:23,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:31:23,844 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 176 [2021-12-07 00:31:23,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:25,318 INFO L225 Difference]: With dead ends: 463325 [2021-12-07 00:31:25,318 INFO L226 Difference]: Without dead ends: 322717 [2021-12-07 00:31:25,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:31:25,783 INFO L933 BasicCegarLoop]: 8301 mSDtfsCounter, 13035 mSDsluCounter, 12782 mSDsCounter, 0 mSdLazyCounter, 8515 mSolverCounterSat, 8199 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13886 SdHoareTripleChecker+Valid, 21083 SdHoareTripleChecker+Invalid, 16715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8199 IncrementalHoareTripleChecker+Valid, 8515 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:25,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13886 Valid, 21083 Invalid, 16715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8199 Valid, 8515 Invalid, 1 Unknown, 0 Unchecked, 20.6s Time] [2021-12-07 00:31:25,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322717 states. [2021-12-07 00:31:35,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322717 to 279529. [2021-12-07 00:31:35,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279529 states, 186720 states have (on average 1.3380516281062553) internal successors, (249841), 193248 states have internal predecessors, (249841), 77223 states have call successors, (77223), 15586 states have call predecessors, (77223), 15585 states have return successors, (77222), 74823 states have call predecessors, (77222), 77222 states have call successors, (77222) [2021-12-07 00:31:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279529 states to 279529 states and 404286 transitions. [2021-12-07 00:31:36,743 INFO L78 Accepts]: Start accepts. Automaton has 279529 states and 404286 transitions. Word has length 176 [2021-12-07 00:31:36,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:36,744 INFO L470 AbstractCegarLoop]: Abstraction has 279529 states and 404286 transitions. [2021-12-07 00:31:36,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 00:31:36,744 INFO L276 IsEmpty]: Start isEmpty. Operand 279529 states and 404286 transitions. [2021-12-07 00:31:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-07 00:31:36,748 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:36,748 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:36,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 00:31:36,748 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:36,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:36,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1674318208, now seen corresponding path program 1 times [2021-12-07 00:31:36,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:36,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020784943] [2021-12-07 00:31:36,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:36,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:31:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:31:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:31:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:31:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:31:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:31:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:31:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:31:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 00:31:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:31:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:31:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:31:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:31:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:31:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-07 00:31:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:31:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-07 00:31:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:31:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-07 00:31:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:31:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-07 00:31:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-07 00:31:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:31:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:31:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-07 00:31:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-07 00:31:37,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:37,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020784943] [2021-12-07 00:31:37,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020784943] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:37,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:37,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:31:37,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98156017] [2021-12-07 00:31:37,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:37,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:31:37,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:37,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:31:37,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:31:37,370 INFO L87 Difference]: Start difference. First operand 279529 states and 404286 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 00:32:11,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:20,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:32:20,417 INFO L93 Difference]: Finished difference Result 920909 states and 1368804 transitions. [2021-12-07 00:32:20,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:32:20,419 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 177 [2021-12-07 00:32:20,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:32:23,450 INFO L225 Difference]: With dead ends: 920909 [2021-12-07 00:32:23,450 INFO L226 Difference]: Without dead ends: 641397 [2021-12-07 00:32:24,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:32:24,597 INFO L933 BasicCegarLoop]: 8339 mSDtfsCounter, 12310 mSDsluCounter, 16386 mSDsCounter, 0 mSdLazyCounter, 10994 mSolverCounterSat, 7774 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13146 SdHoareTripleChecker+Valid, 24725 SdHoareTripleChecker+Invalid, 18769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7774 IncrementalHoareTripleChecker+Valid, 10994 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:32:24,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13146 Valid, 24725 Invalid, 18769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7774 Valid, 10994 Invalid, 1 Unknown, 0 Unchecked, 25.2s Time] [2021-12-07 00:32:25,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641397 states. [2021-12-07 00:32:43,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641397 to 555041. [2021-12-07 00:32:43,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555041 states, 370872 states have (on average 1.3383188809076987) internal successors, (496345), 383928 states have internal predecessors, (496345), 152999 states have call successors, (152999), 31170 states have call predecessors, (152999), 31169 states have return successors, (152998), 148199 states have call predecessors, (152998), 152998 states have call successors, (152998) [2021-12-07 00:32:47,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555041 states to 555041 states and 802342 transitions. [2021-12-07 00:32:47,597 INFO L78 Accepts]: Start accepts. Automaton has 555041 states and 802342 transitions. Word has length 177 [2021-12-07 00:32:47,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:32:47,597 INFO L470 AbstractCegarLoop]: Abstraction has 555041 states and 802342 transitions. [2021-12-07 00:32:47,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 00:32:47,597 INFO L276 IsEmpty]: Start isEmpty. Operand 555041 states and 802342 transitions. [2021-12-07 00:32:47,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-07 00:32:47,607 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:32:47,608 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:32:47,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 00:32:47,608 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:32:47,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:32:47,609 INFO L85 PathProgramCache]: Analyzing trace with hash 582599341, now seen corresponding path program 1 times [2021-12-07 00:32:47,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:32:47,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151275021] [2021-12-07 00:32:47,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:32:47,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:32:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:32:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:32:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:32:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:32:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:32:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:32:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:32:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:32:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 00:32:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-07 00:32:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-07 00:32:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-07 00:32:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:32:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:32:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 00:32:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:32:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:32:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:32:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 00:32:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-07 00:32:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-07 00:32:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-07 00:32:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-07 00:32:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:32:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:32:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:32:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-07 00:32:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-07 00:32:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-07 00:32:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 00:32:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:48,687 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-07 00:32:48,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:32:48,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151275021] [2021-12-07 00:32:48,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151275021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:32:48,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:32:48,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 00:32:48,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969988609] [2021-12-07 00:32:48,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:32:48,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 00:32:48,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:32:48,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 00:32:48,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:32:48,689 INFO L87 Difference]: Start difference. First operand 555041 states and 802342 transitions. Second operand has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (38), 9 states have call predecessors, (38), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-07 00:32:55,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:34:39,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:35:55,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:55,384 INFO L93 Difference]: Finished difference Result 3009084 states and 4916994 transitions. [2021-12-07 00:35:55,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-12-07 00:35:55,386 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (38), 9 states have call predecessors, (38), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 228 [2021-12-07 00:35:55,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted.