./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro --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 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:05:00,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:05:00,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:05:00,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:05:00,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:05:00,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:05:00,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:05:00,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:05:00,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:05:00,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:05:00,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:05:00,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:05:00,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:05:00,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:05:00,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:05:00,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:05:00,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:05:00,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:05:00,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:05:00,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:05:00,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:05:00,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:05:00,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:05:00,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:05:00,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:05:00,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:05:00,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:05:00,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:05:00,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:05:00,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:05:00,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:05:00,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:05:00,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:05:00,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:05:00,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:05:00,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:05:00,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:05:00,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:05:00,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:05:00,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:05:00,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:05:00,176 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:05:00,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:05:00,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:05:00,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:05:00,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:05:00,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:05:00,229 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:05:00,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:05:00,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:05:00,231 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:05:00,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:05:00,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:05:00,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:05:00,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:05:00,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:05:00,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:05:00,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:05:00,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:05:00,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:05:00,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:05:00,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:05:00,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:05:00,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:05:00,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:05:00,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:05:00,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:05:00,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:05:00,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:05:00,237 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:05:00,238 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:05:00,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:05:00,238 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_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 [2022-11-18 20:05:00,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:05:00,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:05:00,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:05:00,671 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:05:00,672 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:05:00,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-18 20:05:00,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/data/eb4d01ac1/a12637b5e9734a5993465d9840318cfd/FLAG20da6c3ca [2022-11-18 20:05:01,931 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:05:01,932 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-18 20:05:01,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/data/eb4d01ac1/a12637b5e9734a5993465d9840318cfd/FLAG20da6c3ca [2022-11-18 20:05:02,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/data/eb4d01ac1/a12637b5e9734a5993465d9840318cfd [2022-11-18 20:05:02,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:05:02,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:05:02,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:05:02,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:05:02,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:05:02,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:05:02" (1/1) ... [2022-11-18 20:05:02,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec03454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:02, skipping insertion in model container [2022-11-18 20:05:02,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:05:02" (1/1) ... [2022-11-18 20:05:02,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:05:02,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:05:04,698 WARN L234 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_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2022-11-18 20:05:08,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:05:08,662 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:05:08,889 WARN L234 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_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2022-11-18 20:05:09,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:05:09,885 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:05:09,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09 WrapperNode [2022-11-18 20:05:09,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:05:09,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:05:09,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:05:09,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:05:09,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (1/1) ... [2022-11-18 20:05:10,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (1/1) ... [2022-11-18 20:05:10,676 INFO L138 Inliner]: procedures = 597, calls = 7272, calls flagged for inlining = 272, calls inlined = 259, statements flattened = 14827 [2022-11-18 20:05:10,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:05:10,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:05:10,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:05:10,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:05:10,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (1/1) ... [2022-11-18 20:05:10,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (1/1) ... [2022-11-18 20:05:10,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (1/1) ... [2022-11-18 20:05:10,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (1/1) ... [2022-11-18 20:05:11,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (1/1) ... [2022-11-18 20:05:11,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (1/1) ... [2022-11-18 20:05:11,740 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (1/1) ... [2022-11-18 20:05:11,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (1/1) ... [2022-11-18 20:05:11,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:05:11,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:05:11,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:05:11,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:05:11,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (1/1) ... [2022-11-18 20:05:11,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:05:11,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:05:11,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:05:12,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:05:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 20:05:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 20:05:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-18 20:05:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-18 20:05:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 20:05:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-18 20:05:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-18 20:05:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-18 20:05:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-18 20:05:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-18 20:05:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-18 20:05:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-18 20:05:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-18 20:05:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:05:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:05:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-18 20:05:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-18 20:05:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-18 20:05:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-18 20:05:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-18 20:05:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-18 20:05:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-18 20:05:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-18 20:05:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-18 20:05:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-18 20:05:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 20:05:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 20:05:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-18 20:05:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-18 20:05:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-18 20:05:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-18 20:05:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-18 20:05:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-18 20:05:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-18 20:05:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-18 20:05:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-18 20:05:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-18 20:05:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:05:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:05:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-18 20:05:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-18 20:05:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 20:05:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 20:05:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-18 20:05:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-18 20:05:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-18 20:05:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-18 20:05:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:05:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:05:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-18 20:05:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-18 20:05:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-18 20:05:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-18 20:05:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-18 20:05:12,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-18 20:05:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-18 20:05:12,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-18 20:05:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-18 20:05:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-18 20:05:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-18 20:05:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-18 20:05:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:05:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:05:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-18 20:05:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-18 20:05:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 20:05:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 20:05:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 20:05:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 20:05:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_14 [2022-11-18 20:05:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_14 [2022-11-18 20:05:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-18 20:05:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-18 20:05:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 20:05:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 20:05:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-18 20:05:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-18 20:05:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-18 20:05:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-18 20:05:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-18 20:05:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 20:05:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 20:05:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-18 20:05:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-18 20:05:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:05:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 20:05:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 20:05:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-18 20:05:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-18 20:05:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-18 20:05:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-18 20:05:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-18 20:05:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-18 20:05:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-18 20:05:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-18 20:05:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-18 20:05:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-18 20:05:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-18 20:05:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-18 20:05:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-18 20:05:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-18 20:05:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-18 20:05:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-18 20:05:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-18 20:05:12,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-18 20:05:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-18 20:05:12,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-18 20:05:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 20:05:12,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 20:05:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-18 20:05:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-18 20:05:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:05:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:05:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-18 20:05:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-18 20:05:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-18 20:05:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-18 20:05:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:05:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-18 20:05:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-18 20:05:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-18 20:05:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-18 20:05:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:05:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:05:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 20:05:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 20:05:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-18 20:05:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-18 20:05:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-18 20:05:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-18 20:05:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-18 20:05:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-18 20:05:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:05:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-18 20:05:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-18 20:05:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:05:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:05:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:05:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-18 20:05:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-18 20:05:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-18 20:05:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-18 20:05:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:05:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:05:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-18 20:05:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-18 20:05:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-18 20:05:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-18 20:05:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-18 20:05:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-18 20:05:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-18 20:05:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-18 20:05:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-18 20:05:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-18 20:05:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-18 20:05:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-18 20:05:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-18 20:05:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-18 20:05:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-18 20:05:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-18 20:05:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 20:05:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 20:05:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:05:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:05:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-18 20:05:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-18 20:05:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-18 20:05:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-18 20:05:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-18 20:05:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-18 20:05:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-18 20:05:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:05:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-18 20:05:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-18 20:05:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-18 20:05:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-18 20:05:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-18 20:05:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-18 20:05:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:05:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-18 20:05:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-18 20:05:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-18 20:05:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-18 20:05:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:05:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:05:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:05:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:05:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-18 20:05:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-18 20:05:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-18 20:05:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-18 20:05:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:05:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:05:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-18 20:05:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-18 20:05:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 20:05:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 20:05:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-18 20:05:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-18 20:05:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 20:05:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 20:05:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-18 20:05:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-18 20:05:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-18 20:05:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-18 20:05:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 20:05:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 20:05:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-18 20:05:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-18 20:05:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-18 20:05:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-18 20:05:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-18 20:05:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-18 20:05:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:05:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:05:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-18 20:05:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-18 20:05:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-18 20:05:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-18 20:05:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-18 20:05:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-18 20:05:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-18 20:05:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-18 20:05:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-18 20:05:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-18 20:05:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-18 20:05:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-18 20:05:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 20:05:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 20:05:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 20:05:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 20:05:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-18 20:05:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-18 20:05:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:05:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:05:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-18 20:05:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-18 20:05:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-18 20:05:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-18 20:05:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-18 20:05:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-18 20:05:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-18 20:05:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-18 20:05:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 20:05:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 20:05:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-18 20:05:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-18 20:05:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:05:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:05:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:05:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:05:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-18 20:05:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-18 20:05:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-18 20:05:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-18 20:05:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:05:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:05:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-18 20:05:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-18 20:05:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-18 20:05:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-18 20:05:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 20:05:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 20:05:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 20:05:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 20:05:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-18 20:05:12,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-18 20:05:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 20:05:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-18 20:05:12,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-18 20:05:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-18 20:05:12,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-18 20:05:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-18 20:05:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-18 20:05:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-18 20:05:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-18 20:05:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-18 20:05:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-18 20:05:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-18 20:05:12,117 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-18 20:05:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-18 20:05:12,117 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-18 20:05:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:05:12,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:05:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:05:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:05:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-11-18 20:05:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-11-18 20:05:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-18 20:05:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-18 20:05:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 20:05:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 20:05:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-18 20:05:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-18 20:05:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-18 20:05:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-18 20:05:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:05:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:05:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:05:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:05:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-18 20:05:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-18 20:05:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-18 20:05:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-18 20:05:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:05:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:05:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-18 20:05:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-18 20:05:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-18 20:05:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-18 20:05:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-18 20:05:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-18 20:05:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-18 20:05:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-18 20:05:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-18 20:05:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-18 20:05:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-18 20:05:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-18 20:05:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-18 20:05:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-18 20:05:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-18 20:05:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-18 20:05:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:05:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:05:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:05:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-18 20:05:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-18 20:05:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-18 20:05:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-18 20:05:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-18 20:05:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-18 20:05:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 20:05:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 20:05:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-18 20:05:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-18 20:05:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-18 20:05:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-18 20:05:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:05:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-18 20:05:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-18 20:05:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-18 20:05:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-18 20:05:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-18 20:05:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-18 20:05:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-18 20:05:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-18 20:05:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-18 20:05:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-18 20:05:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-18 20:05:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-18 20:05:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:05:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-18 20:05:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-18 20:05:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-18 20:05:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-18 20:05:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-18 20:05:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-18 20:05:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-18 20:05:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-18 20:05:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:05:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:05:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 20:05:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 20:05:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 20:05:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 20:05:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-18 20:05:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-18 20:05:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 20:05:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 20:05:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-18 20:05:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-18 20:05:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-18 20:05:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-18 20:05:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-18 20:05:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-18 20:05:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-18 20:05:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-18 20:05:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-18 20:05:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-18 20:05:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 20:05:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 20:05:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 20:05:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 20:05:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-18 20:05:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-18 20:05:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-18 20:05:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-18 20:05:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-18 20:05:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-18 20:05:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-18 20:05:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-18 20:05:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-18 20:05:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-18 20:05:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 20:05:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 20:05:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-18 20:05:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-18 20:05:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-18 20:05:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-18 20:05:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:05:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:05:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-18 20:05:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-18 20:05:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-18 20:05:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-18 20:05:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:05:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-18 20:05:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-18 20:05:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-18 20:05:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-18 20:05:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:05:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:05:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-18 20:05:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-18 20:05:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-18 20:05:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-18 20:05:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-18 20:05:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-18 20:05:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 20:05:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 20:05:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:05:12,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:05:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-18 20:05:12,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-18 20:05:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-18 20:05:12,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-18 20:05:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 20:05:12,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 20:05:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-18 20:05:12,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-18 20:05:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-18 20:05:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-18 20:05:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-18 20:05:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-18 20:05:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-18 20:05:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-18 20:05:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-18 20:05:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-18 20:05:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 20:05:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 20:05:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-18 20:05:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-18 20:05:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-18 20:05:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-18 20:05:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-18 20:05:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-18 20:05:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 20:05:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 20:05:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-18 20:05:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-18 20:05:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-18 20:05:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-18 20:05:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-18 20:05:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-18 20:05:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-18 20:05:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-18 20:05:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 20:05:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 20:05:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-18 20:05:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-18 20:05:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-18 20:05:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-18 20:05:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-18 20:05:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-18 20:05:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-18 20:05:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-18 20:05:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-18 20:05:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-18 20:05:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-18 20:05:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-18 20:05:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 20:05:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 20:05:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:05:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:05:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:05:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-18 20:05:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-18 20:05:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-18 20:05:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-18 20:05:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-18 20:05:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-18 20:05:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-18 20:05:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-18 20:05:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-18 20:05:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-18 20:05:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-18 20:05:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-18 20:05:14,059 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:05:14,065 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:05:14,171 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:05:41,006 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:05:41,059 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:05:41,064 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:05:41,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:41 BoogieIcfgContainer [2022-11-18 20:05:41,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:05:41,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:05:41,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:05:41,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:05:41,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:05:02" (1/3) ... [2022-11-18 20:05:41,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfa6816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:05:41, skipping insertion in model container [2022-11-18 20:05:41,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:09" (2/3) ... [2022-11-18 20:05:41,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfa6816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:05:41, skipping insertion in model container [2022-11-18 20:05:41,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:41" (3/3) ... [2022-11-18 20:05:41,086 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-18 20:05:41,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:05:41,111 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:05:41,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:05:41,317 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3652038e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:05:41,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:05:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 4921 states, 3491 states have (on average 1.3855628759667717) internal successors, (4837), 3565 states have internal predecessors, (4837), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) [2022-11-18 20:05:41,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 20:05:41,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:05:41,364 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-18 20:05:41,364 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:05:41,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:05:41,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1057766095, now seen corresponding path program 1 times [2022-11-18 20:05:41,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:05:41,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830153003] [2022-11-18 20:05:41,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:05:41,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:05:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:43,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:05:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:43,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:05:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:05:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:05:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:05:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:43,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:05:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:43,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:05:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:43,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:05:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:05:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:43,697 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-18 20:05:43,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:05:43,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830153003] [2022-11-18 20:05:43,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830153003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:05:43,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:05:43,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:05:43,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215744237] [2022-11-18 20:05:43,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:05:43,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:05:43,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:05:43,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:05:43,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:05:43,769 INFO L87 Difference]: Start difference. First operand has 4921 states, 3491 states have (on average 1.3855628759667717) internal successors, (4837), 3565 states have internal predecessors, (4837), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-18 20:06:08,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:10,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:12,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:14,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:16,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:18,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:21,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:23,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:25,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:27,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:39,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:41,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:43,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:56,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:56,343 INFO L93 Difference]: Finished difference Result 16372 states and 25160 transitions. [2022-11-18 20:06:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:06:56,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 76 [2022-11-18 20:06:56,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:56,461 INFO L225 Difference]: With dead ends: 16372 [2022-11-18 20:06:56,461 INFO L226 Difference]: Without dead ends: 11406 [2022-11-18 20:06:56,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:06:56,508 INFO L413 NwaCegarLoop]: 6126 mSDtfsCounter, 14388 mSDsluCounter, 10071 mSDsCounter, 0 mSdLazyCounter, 11301 mSolverCounterSat, 8077 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15126 SdHoareTripleChecker+Valid, 16197 SdHoareTripleChecker+Invalid, 19388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 8077 IncrementalHoareTripleChecker+Valid, 11301 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:56,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15126 Valid, 16197 Invalid, 19388 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [8077 Valid, 11301 Invalid, 10 Unknown, 0 Unchecked, 70.6s Time] [2022-11-18 20:06:56,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11406 states. [2022-11-18 20:06:57,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11406 to 9734. [2022-11-18 20:06:57,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9734 states, 6917 states have (on average 1.375018071418245) internal successors, (9511), 7041 states have internal predecessors, (9511), 2354 states have call successors, (2354), 463 states have call predecessors, (2354), 462 states have return successors, (2353), 2323 states have call predecessors, (2353), 2353 states have call successors, (2353) [2022-11-18 20:06:57,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9734 states to 9734 states and 14218 transitions. [2022-11-18 20:06:57,359 INFO L78 Accepts]: Start accepts. Automaton has 9734 states and 14218 transitions. Word has length 76 [2022-11-18 20:06:57,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:57,363 INFO L495 AbstractCegarLoop]: Abstraction has 9734 states and 14218 transitions. [2022-11-18 20:06:57,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-18 20:06:57,364 INFO L276 IsEmpty]: Start isEmpty. Operand 9734 states and 14218 transitions. [2022-11-18 20:06:57,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-18 20:06:57,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:57,380 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-18 20:06:57,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:06:57,381 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:57,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:57,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1494451194, now seen corresponding path program 1 times [2022-11-18 20:06:57,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:06:57,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436537731] [2022-11-18 20:06:57,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:57,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:06:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:06:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:06:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:06:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:06:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:06:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:06:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:06:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:06:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:06:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-18 20:06:59,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:06:59,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436537731] [2022-11-18 20:06:59,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436537731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:06:59,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:06:59,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:06:59,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384725506] [2022-11-18 20:06:59,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:06:59,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:06:59,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:06:59,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:06:59,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:06:59,430 INFO L87 Difference]: Start difference. First operand 9734 states and 14218 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 20:07:31,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:33,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:35,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:37,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:39,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:41,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:43,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:45,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:48,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:49,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:52,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:03,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:05,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:07,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:09,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:11,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:13,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:15,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:34,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:37,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:37,703 INFO L93 Difference]: Finished difference Result 32491 states and 48813 transitions. [2022-11-18 20:08:37,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:08:37,704 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2022-11-18 20:08:37,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:37,888 INFO L225 Difference]: With dead ends: 32491 [2022-11-18 20:08:37,889 INFO L226 Difference]: Without dead ends: 22774 [2022-11-18 20:08:37,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:08:37,950 INFO L413 NwaCegarLoop]: 6414 mSDtfsCounter, 14083 mSDsluCounter, 21154 mSDsCounter, 0 mSdLazyCounter, 19880 mSolverCounterSat, 7765 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14809 SdHoareTripleChecker+Valid, 27568 SdHoareTripleChecker+Invalid, 27661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 7765 IncrementalHoareTripleChecker+Valid, 19880 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:37,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14809 Valid, 27568 Invalid, 27661 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [7765 Valid, 19880 Invalid, 16 Unknown, 0 Unchecked, 96.1s Time] [2022-11-18 20:08:37,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22774 states. [2022-11-18 20:08:39,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22774 to 20178. [2022-11-18 20:08:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20178 states, 14349 states have (on average 1.3748693288730922) internal successors, (19728), 14625 states have internal predecessors, (19728), 4838 states have call successors, (4838), 925 states have call predecessors, (4838), 990 states have return successors, (5281), 4821 states have call predecessors, (5281), 4837 states have call successors, (5281) [2022-11-18 20:08:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20178 states to 20178 states and 29847 transitions. [2022-11-18 20:08:39,382 INFO L78 Accepts]: Start accepts. Automaton has 20178 states and 29847 transitions. Word has length 79 [2022-11-18 20:08:39,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:39,385 INFO L495 AbstractCegarLoop]: Abstraction has 20178 states and 29847 transitions. [2022-11-18 20:08:39,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 20:08:39,386 INFO L276 IsEmpty]: Start isEmpty. Operand 20178 states and 29847 transitions. [2022-11-18 20:08:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-11-18 20:08:39,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:39,453 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:39,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:08:39,453 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:08:39,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:39,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1510324872, now seen corresponding path program 1 times [2022-11-18 20:08:39,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:39,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417322565] [2022-11-18 20:08:39,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:39,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:08:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:08:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:08:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:08:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:08:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:08:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:08:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:08:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:08:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:08:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:08:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:08:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:08:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:40,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:08:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:08:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:08:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:08:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 20:08:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:08:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:08:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:08:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:08:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:08:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:08:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:08:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:08:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:08:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-18 20:08:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:08:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:08:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:08:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:08:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:08:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-18 20:08:41,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:41,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417322565] [2022-11-18 20:08:41,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417322565] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:08:41,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896459106] [2022-11-18 20:08:41,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:41,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:08:41,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:41,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:08:41,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:08:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:44,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 9143 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:08:44,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-18 20:08:44,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:08:44,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896459106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:44,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:08:44,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2022-11-18 20:08:44,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557531652] [2022-11-18 20:08:44,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:44,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:08:44,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:44,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:08:44,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:08:44,723 INFO L87 Difference]: Start difference. First operand 20178 states and 29847 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-18 20:08:46,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:46,139 INFO L93 Difference]: Finished difference Result 59070 states and 87429 transitions. [2022-11-18 20:08:46,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:08:46,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 344 [2022-11-18 20:08:46,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:46,416 INFO L225 Difference]: With dead ends: 59070 [2022-11-18 20:08:46,416 INFO L226 Difference]: Without dead ends: 38914 [2022-11-18 20:08:46,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:08:46,528 INFO L413 NwaCegarLoop]: 8253 mSDtfsCounter, 6619 mSDsluCounter, 7088 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6619 SdHoareTripleChecker+Valid, 15341 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:46,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6619 Valid, 15341 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:08:46,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38914 states. [2022-11-18 20:08:48,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38914 to 38902. [2022-11-18 20:08:48,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38902 states, 27709 states have (on average 1.3773864087480603) internal successors, (38166), 28255 states have internal predecessors, (38166), 9276 states have call successors, (9276), 1785 states have call predecessors, (9276), 1916 states have return successors, (10128), 9241 states have call predecessors, (10128), 9275 states have call successors, (10128) [2022-11-18 20:08:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38902 states to 38902 states and 57570 transitions. [2022-11-18 20:08:49,049 INFO L78 Accepts]: Start accepts. Automaton has 38902 states and 57570 transitions. Word has length 344 [2022-11-18 20:08:49,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:49,052 INFO L495 AbstractCegarLoop]: Abstraction has 38902 states and 57570 transitions. [2022-11-18 20:08:49,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-18 20:08:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 38902 states and 57570 transitions. [2022-11-18 20:08:49,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2022-11-18 20:08:49,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:49,132 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:49,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:08:49,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:08:49,360 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:08:49,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:49,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1191576557, now seen corresponding path program 1 times [2022-11-18 20:08:49,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:49,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399202381] [2022-11-18 20:08:49,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:49,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:08:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:08:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:08:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:08:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:08:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:08:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:08:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:08:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:08:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:08:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:08:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:08:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 20:08:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:08:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:08:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:08:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:08:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:08:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:08:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:08:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:50,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:08:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:08:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-18 20:08:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:08:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:08:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:08:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:08:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:08:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,395 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-18 20:08:51,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:51,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399202381] [2022-11-18 20:08:51,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399202381] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:08:51,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834251701] [2022-11-18 20:08:51,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:51,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:08:51,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:51,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:08:51,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:08:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:54,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 9118 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:08:54,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2022-11-18 20:08:54,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:08:54,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834251701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:54,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:08:54,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2022-11-18 20:08:54,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95412368] [2022-11-18 20:08:54,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:54,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:08:54,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:54,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:08:54,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:08:54,202 INFO L87 Difference]: Start difference. First operand 38902 states and 57570 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-18 20:08:56,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:56,752 INFO L93 Difference]: Finished difference Result 114674 states and 169696 transitions. [2022-11-18 20:08:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:08:56,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 337 [2022-11-18 20:08:56,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:57,650 INFO L225 Difference]: With dead ends: 114674 [2022-11-18 20:08:57,651 INFO L226 Difference]: Without dead ends: 75794 [2022-11-18 20:08:57,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:08:57,851 INFO L413 NwaCegarLoop]: 8601 mSDtfsCounter, 6726 mSDsluCounter, 6988 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6726 SdHoareTripleChecker+Valid, 15589 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:57,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6726 Valid, 15589 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 20:08:57,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75794 states. [2022-11-18 20:09:01,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75794 to 75758. [2022-11-18 20:09:01,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75758 states, 54063 states have (on average 1.3752288996171134) internal successors, (74349), 55163 states have internal predecessors, (74349), 17946 states have call successors, (17946), 3497 states have call predecessors, (17946), 3748 states have return successors, (19551), 17857 states have call predecessors, (19551), 17945 states have call successors, (19551) [2022-11-18 20:09:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75758 states to 75758 states and 111846 transitions. [2022-11-18 20:09:02,295 INFO L78 Accepts]: Start accepts. Automaton has 75758 states and 111846 transitions. Word has length 337 [2022-11-18 20:09:02,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:09:02,295 INFO L495 AbstractCegarLoop]: Abstraction has 75758 states and 111846 transitions. [2022-11-18 20:09:02,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-18 20:09:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 75758 states and 111846 transitions. [2022-11-18 20:09:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-18 20:09:02,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:09:02,368 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:09:02,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:09:02,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:09:02,584 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:09:02,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:02,584 INFO L85 PathProgramCache]: Analyzing trace with hash 532443787, now seen corresponding path program 1 times [2022-11-18 20:09:02,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:02,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975014067] [2022-11-18 20:09:02,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:02,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:09:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:09:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:09:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:09:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:09:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:09:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:09:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:09:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:09:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:09:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:09:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:09:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:09:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:09:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:03,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:09:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:09:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:09:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:09:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:09:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:09:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:09:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:09:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 20:09:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:09:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:09:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:09:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:09:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 20:09:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:09:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:09:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:09:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 20:09:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-11-18 20:09:04,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:04,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975014067] [2022-11-18 20:09:04,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975014067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:09:04,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:09:04,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:09:04,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667058084] [2022-11-18 20:09:04,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:09:04,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:09:04,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:04,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:09:04,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:09:04,396 INFO L87 Difference]: Start difference. First operand 75758 states and 111846 transitions. Second operand has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (40), 8 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-18 20:09:53,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:09:55,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:09:57,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:09:59,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:01,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:03,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:05,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:07,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:09,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:11,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:13,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:15,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:21,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:23,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:25,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:27,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:29,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:31,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:33,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:35,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:37,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:39,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:42,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:44,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:46,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:48,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:10,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:11:10,689 INFO L93 Difference]: Finished difference Result 241098 states and 362277 transitions. [2022-11-18 20:11:10,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:11:10,690 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (40), 8 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 278 [2022-11-18 20:11:10,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:11:12,438 INFO L225 Difference]: With dead ends: 241098 [2022-11-18 20:11:12,439 INFO L226 Difference]: Without dead ends: 165362 [2022-11-18 20:11:12,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:11:12,855 INFO L413 NwaCegarLoop]: 6859 mSDtfsCounter, 13335 mSDsluCounter, 12651 mSDsCounter, 0 mSdLazyCounter, 21074 mSolverCounterSat, 7348 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 109.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14067 SdHoareTripleChecker+Valid, 19510 SdHoareTripleChecker+Invalid, 28448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7348 IncrementalHoareTripleChecker+Valid, 21074 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 116.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:11:12,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14067 Valid, 19510 Invalid, 28448 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7348 Valid, 21074 Invalid, 26 Unknown, 0 Unchecked, 116.5s Time] [2022-11-18 20:11:13,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165362 states. [2022-11-18 20:11:21,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165362 to 145026. [2022-11-18 20:11:21,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145026 states, 103603 states have (on average 1.3756841018117236) internal successors, (142525), 105695 states have internal predecessors, (142525), 34218 states have call successors, (34218), 6737 states have call predecessors, (34218), 7204 states have return successors, (37049), 34015 states have call predecessors, (37049), 34217 states have call successors, (37049) [2022-11-18 20:11:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145026 states to 145026 states and 213792 transitions. [2022-11-18 20:11:22,672 INFO L78 Accepts]: Start accepts. Automaton has 145026 states and 213792 transitions. Word has length 278 [2022-11-18 20:11:22,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:11:22,672 INFO L495 AbstractCegarLoop]: Abstraction has 145026 states and 213792 transitions. [2022-11-18 20:11:22,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (40), 8 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-18 20:11:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 145026 states and 213792 transitions. [2022-11-18 20:11:23,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-11-18 20:11:23,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:11:23,232 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:11:23,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:11:23,232 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:11:23,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:11:23,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1652336259, now seen corresponding path program 1 times [2022-11-18 20:11:23,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:11:23,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100047848] [2022-11-18 20:11:23,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:11:23,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:11:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:11:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:11:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:11:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:11:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:11:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:11:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:11:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:11:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:11:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:11:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:11:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 20:11:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:11:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:11:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 20:11:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:11:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:11:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:11:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:11:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:11:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:11:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:11:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:11:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:11:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:11:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:11:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 20:11:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:11:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:11:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:11:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:11:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:11:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:11:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:11:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:11:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:11:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-18 20:11:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:11:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:11:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:11:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:11:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:11:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:25,759 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-11-18 20:11:25,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:11:25,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100047848] [2022-11-18 20:11:25,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100047848] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:11:25,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182605728] [2022-11-18 20:11:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:11:25,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:11:25,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:11:25,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:11:25,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79f847a-b614-485e-8ea5-f0cf3c90b6b6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:11:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:28,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 9452 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:11:28,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:11:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-18 20:11:29,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:11:29,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182605728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:11:29,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:11:29,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2022-11-18 20:11:29,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741344662] [2022-11-18 20:11:29,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:11:29,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:11:29,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:11:29,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:11:29,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:11:29,071 INFO L87 Difference]: Start difference. First operand 145026 states and 213792 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54)