./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF --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 fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:30:03,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:30:03,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:30:03,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:30:03,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:30:03,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:30:03,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:30:03,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:30:03,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:30:03,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:30:03,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:30:03,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:30:03,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:30:03,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:30:03,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:30:03,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:30:03,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:30:03,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:30:03,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:30:03,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:30:03,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:30:03,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:30:03,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:30:03,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:30:03,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:30:03,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:30:03,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:30:03,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:30:03,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:30:03,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:30:03,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:30:03,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:30:03,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:30:03,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:30:03,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:30:03,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:30:03,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:30:03,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:30:03,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:30:03,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:30:03,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:30:03,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:30:03,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:30:03,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:30:03,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:30:03,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:30:03,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:30:03,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:30:03,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:30:03,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:30:03,339 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:30:03,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:30:03,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:30:03,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:30:03,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:30:03,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:30:03,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:30:03,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:30:03,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:30:03,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:30:03,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:30:03,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:30:03,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:30:03,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:30:03,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:30:03,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:30:03,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:30:03,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:30:03,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:30:03,345 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:30:03,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:30:03,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:30:03,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:30:03,347 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_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651 [2021-11-20 07:30:03,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:30:03,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:30:03,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:30:03,673 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:30:03,674 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:30:03,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2021-11-20 07:30:03,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/data/0fbf640c3/87d6d5a8160e4583b92983f985bc8cba/FLAGf93cea62b [2021-11-20 07:30:04,559 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:30:04,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2021-11-20 07:30:04,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/data/0fbf640c3/87d6d5a8160e4583b92983f985bc8cba/FLAGf93cea62b [2021-11-20 07:30:05,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/data/0fbf640c3/87d6d5a8160e4583b92983f985bc8cba [2021-11-20 07:30:05,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:30:05,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:30:05,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:30:05,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:30:05,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:30:05,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:30:05" (1/1) ... [2021-11-20 07:30:05,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e876de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05, skipping insertion in model container [2021-11-20 07:30:05,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:30:05" (1/1) ... [2021-11-20 07:30:05,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:30:05,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:30:06,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2021-11-20 07:30:06,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:30:06,216 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:30:06,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2021-11-20 07:30:06,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:30:06,497 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:30:06,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06 WrapperNode [2021-11-20 07:30:06,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:30:06,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:30:06,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:30:06,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:30:06,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06" (1/1) ... [2021-11-20 07:30:06,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06" (1/1) ... [2021-11-20 07:30:06,690 INFO L137 Inliner]: procedures = 95, calls = 374, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1161 [2021-11-20 07:30:06,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:30:06,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:30:06,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:30:06,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:30:06,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06" (1/1) ... [2021-11-20 07:30:06,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06" (1/1) ... [2021-11-20 07:30:06,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06" (1/1) ... [2021-11-20 07:30:06,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06" (1/1) ... [2021-11-20 07:30:06,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06" (1/1) ... [2021-11-20 07:30:06,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06" (1/1) ... [2021-11-20 07:30:06,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06" (1/1) ... [2021-11-20 07:30:06,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:30:06,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:30:06,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:30:06,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:30:06,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06" (1/1) ... [2021-11-20 07:30:06,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:30:06,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:30:06,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:30:06,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:30:06,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:30:06,963 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2021-11-20 07:30:06,964 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2021-11-20 07:30:06,964 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw [2021-11-20 07:30:06,964 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw [2021-11-20 07:30:06,964 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop [2021-11-20 07:30:06,964 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop [2021-11-20 07:30:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:30:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:30:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:30:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write [2021-11-20 07:30:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write [2021-11-20 07:30:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout [2021-11-20 07:30:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout [2021-11-20 07:30:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 07:30:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 07:30:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:30:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 07:30:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 07:30:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:30:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time [2021-11-20 07:30:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time [2021-11-20 07:30:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2021-11-20 07:30:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2021-11-20 07:30:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 07:30:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 07:30:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:30:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2021-11-20 07:30:06,969 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2021-11-20 07:30:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:30:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-20 07:30:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-20 07:30:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:30:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-20 07:30:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-20 07:30:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 07:30:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 07:30:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start [2021-11-20 07:30:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start [2021-11-20 07:30:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2021-11-20 07:30:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2021-11-20 07:30:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-20 07:30:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-20 07:30:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 07:30:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 07:30:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-20 07:30:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-20 07:30:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 07:30:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 07:30:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2021-11-20 07:30:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2021-11-20 07:30:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 07:30:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 07:30:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 07:30:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 07:30:06,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:30:06,976 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive [2021-11-20 07:30:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive [2021-11-20 07:30:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-20 07:30:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-20 07:30:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2021-11-20 07:30:06,981 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2021-11-20 07:30:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2021-11-20 07:30:06,981 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2021-11-20 07:30:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:30:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-20 07:30:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-20 07:30:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 07:30:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 07:30:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:30:06,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:30:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 07:30:06,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 07:30:07,381 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:30:07,384 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:30:07,613 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:30:09,217 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:30:09,234 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:30:09,234 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:30:09,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:09 BoogieIcfgContainer [2021-11-20 07:30:09,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:30:09,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:30:09,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:30:09,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:30:09,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:30:05" (1/3) ... [2021-11-20 07:30:09,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e05e4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:30:09, skipping insertion in model container [2021-11-20 07:30:09,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:06" (2/3) ... [2021-11-20 07:30:09,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e05e4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:30:09, skipping insertion in model container [2021-11-20 07:30:09,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:09" (3/3) ... [2021-11-20 07:30:09,247 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2021-11-20 07:30:09,252 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:30:09,253 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:30:09,319 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:30:09,326 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:30:09,327 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:30:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 570 states, 358 states have (on average 1.4078212290502794) internal successors, (504), 390 states have internal predecessors, (504), 181 states have call successors, (181), 30 states have call predecessors, (181), 29 states have return successors, (177), 172 states have call predecessors, (177), 177 states have call successors, (177) [2021-11-20 07:30:09,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-20 07:30:09,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:09,381 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:09,381 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:09,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:09,387 INFO L85 PathProgramCache]: Analyzing trace with hash 645771615, now seen corresponding path program 1 times [2021-11-20 07:30:09,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:09,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708292531] [2021-11-20 07:30:09,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:09,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:09,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:09,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:09,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:09,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:09,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:09,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:09,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:10,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:10,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:10,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:10,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:10,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:10,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-20 07:30:10,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:10,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708292531] [2021-11-20 07:30:10,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708292531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:10,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:10,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:30:10,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602313078] [2021-11-20 07:30:10,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:10,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:30:10,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:10,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:30:10,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:30:10,201 INFO L87 Difference]: Start difference. First operand has 570 states, 358 states have (on average 1.4078212290502794) internal successors, (504), 390 states have internal predecessors, (504), 181 states have call successors, (181), 30 states have call predecessors, (181), 29 states have return successors, (177), 172 states have call predecessors, (177), 177 states have call successors, (177) Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:30:12,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:12,520 INFO L93 Difference]: Finished difference Result 1198 states and 1868 transitions. [2021-11-20 07:30:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:30:12,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2021-11-20 07:30:12,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:12,548 INFO L225 Difference]: With dead ends: 1198 [2021-11-20 07:30:12,548 INFO L226 Difference]: Without dead ends: 622 [2021-11-20 07:30:12,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:30:12,564 INFO L933 BasicCegarLoop]: 838 mSDtfsCounter, 295 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1950 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:12,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 1950 Invalid, 1192 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [527 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 07:30:12,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2021-11-20 07:30:12,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 559. [2021-11-20 07:30:12,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 353 states have (on average 1.3937677053824362) internal successors, (492), 379 states have internal predecessors, (492), 177 states have call successors, (177), 29 states have call predecessors, (177), 28 states have return successors, (176), 171 states have call predecessors, (176), 176 states have call successors, (176) [2021-11-20 07:30:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 845 transitions. [2021-11-20 07:30:12,693 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 845 transitions. Word has length 137 [2021-11-20 07:30:12,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:12,693 INFO L470 AbstractCegarLoop]: Abstraction has 559 states and 845 transitions. [2021-11-20 07:30:12,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:30:12,694 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 845 transitions. [2021-11-20 07:30:12,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-20 07:30:12,702 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:12,703 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:12,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:30:12,703 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:12,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:12,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1599788631, now seen corresponding path program 1 times [2021-11-20 07:30:12,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:12,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116407129] [2021-11-20 07:30:12,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:12,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:12,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:12,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:12,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:12,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:12,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-20 07:30:13,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:13,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116407129] [2021-11-20 07:30:13,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116407129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:13,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:13,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:30:13,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120403415] [2021-11-20 07:30:13,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:13,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:30:13,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:13,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:30:13,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:30:13,183 INFO L87 Difference]: Start difference. First operand 559 states and 845 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-20 07:30:15,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:15,003 INFO L93 Difference]: Finished difference Result 633 states and 974 transitions. [2021-11-20 07:30:15,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:30:15,004 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 137 [2021-11-20 07:30:15,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:15,014 INFO L225 Difference]: With dead ends: 633 [2021-11-20 07:30:15,014 INFO L226 Difference]: Without dead ends: 628 [2021-11-20 07:30:15,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:30:15,017 INFO L933 BasicCegarLoop]: 823 mSDtfsCounter, 1027 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 924 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 924 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:15,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1159 Valid, 1561 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [924 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-20 07:30:15,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2021-11-20 07:30:15,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 560. [2021-11-20 07:30:15,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 354 states have (on average 1.3926553672316384) internal successors, (493), 380 states have internal predecessors, (493), 177 states have call successors, (177), 29 states have call predecessors, (177), 28 states have return successors, (176), 171 states have call predecessors, (176), 176 states have call successors, (176) [2021-11-20 07:30:15,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 846 transitions. [2021-11-20 07:30:15,070 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 846 transitions. Word has length 137 [2021-11-20 07:30:15,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:15,071 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 846 transitions. [2021-11-20 07:30:15,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-20 07:30:15,071 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 846 transitions. [2021-11-20 07:30:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-20 07:30:15,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:15,075 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:15,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:30:15,075 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:15,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:15,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1657046933, now seen corresponding path program 1 times [2021-11-20 07:30:15,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:15,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592898110] [2021-11-20 07:30:15,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:15,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-20 07:30:15,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:15,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592898110] [2021-11-20 07:30:15,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592898110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:15,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:15,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:30:15,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269432589] [2021-11-20 07:30:15,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:15,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:30:15,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:15,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:30:15,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:30:15,455 INFO L87 Difference]: Start difference. First operand 560 states and 846 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:30:18,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:18,603 INFO L93 Difference]: Finished difference Result 1214 states and 1882 transitions. [2021-11-20 07:30:18,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:30:18,604 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2021-11-20 07:30:18,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:18,616 INFO L225 Difference]: With dead ends: 1214 [2021-11-20 07:30:18,617 INFO L226 Difference]: Without dead ends: 1175 [2021-11-20 07:30:18,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:30:18,620 INFO L933 BasicCegarLoop]: 991 mSDtfsCounter, 1338 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 1591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 2410 SdHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1591 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:18,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1481 Valid, 2410 Invalid, 2679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1591 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-20 07:30:18,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2021-11-20 07:30:18,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1052. [2021-11-20 07:30:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 671 states have (on average 1.4008941877794336) internal successors, (940), 717 states have internal predecessors, (940), 325 states have call successors, (325), 56 states have call predecessors, (325), 55 states have return successors, (324), 316 states have call predecessors, (324), 324 states have call successors, (324) [2021-11-20 07:30:18,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1589 transitions. [2021-11-20 07:30:18,723 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1589 transitions. Word has length 137 [2021-11-20 07:30:18,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:18,724 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1589 transitions. [2021-11-20 07:30:18,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:30:18,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1589 transitions. [2021-11-20 07:30:18,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-20 07:30:18,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:18,732 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:18,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:30:18,733 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:18,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:18,734 INFO L85 PathProgramCache]: Analyzing trace with hash 782209435, now seen corresponding path program 1 times [2021-11-20 07:30:18,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:18,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976894978] [2021-11-20 07:30:18,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:18,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:18,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-20 07:30:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:30:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 07:30:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:19,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:19,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 07:30:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:19,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:19,055 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2021-11-20 07:30:19,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:19,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976894978] [2021-11-20 07:30:19,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976894978] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:19,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:19,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:30:19,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442980986] [2021-11-20 07:30:19,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:19,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:30:19,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:19,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:30:19,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:30:19,059 INFO L87 Difference]: Start difference. First operand 1052 states and 1589 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:30:21,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:21,862 INFO L93 Difference]: Finished difference Result 2703 states and 4116 transitions. [2021-11-20 07:30:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:30:21,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 188 [2021-11-20 07:30:21,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:21,883 INFO L225 Difference]: With dead ends: 2703 [2021-11-20 07:30:21,883 INFO L226 Difference]: Without dead ends: 1679 [2021-11-20 07:30:21,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:30:21,893 INFO L933 BasicCegarLoop]: 854 mSDtfsCounter, 728 mSDsluCounter, 1695 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 896 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 2549 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:21,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [825 Valid, 2549 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [896 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 07:30:21,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2021-11-20 07:30:22,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1500. [2021-11-20 07:30:22,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 937 states have (on average 1.3895410885805763) internal successors, (1302), 1003 states have internal predecessors, (1302), 472 states have call successors, (472), 91 states have call predecessors, (472), 90 states have return successors, (471), 459 states have call predecessors, (471), 471 states have call successors, (471) [2021-11-20 07:30:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2245 transitions. [2021-11-20 07:30:22,056 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2245 transitions. Word has length 188 [2021-11-20 07:30:22,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:22,057 INFO L470 AbstractCegarLoop]: Abstraction has 1500 states and 2245 transitions. [2021-11-20 07:30:22,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:30:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2245 transitions. [2021-11-20 07:30:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-11-20 07:30:22,068 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:22,069 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:22,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:30:22,069 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:22,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:22,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1937349075, now seen corresponding path program 1 times [2021-11-20 07:30:22,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:22,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031926395] [2021-11-20 07:30:22,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:22,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:30:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:30:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 07:30:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-20 07:30:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 07:30:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-20 07:30:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-20 07:30:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-20 07:30:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-20 07:30:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:30:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-20 07:30:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-20 07:30:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-20 07:30:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-20 07:30:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-20 07:30:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-11-20 07:30:22,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:22,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031926395] [2021-11-20 07:30:22,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031926395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:22,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:22,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:30:22,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265077601] [2021-11-20 07:30:22,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:22,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:30:22,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:22,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:30:22,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:30:22,909 INFO L87 Difference]: Start difference. First operand 1500 states and 2245 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 4 states have internal predecessors, (132), 4 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-11-20 07:30:26,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:26,551 INFO L93 Difference]: Finished difference Result 3935 states and 6128 transitions. [2021-11-20 07:30:26,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:30:26,552 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 4 states have internal predecessors, (132), 4 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 382 [2021-11-20 07:30:26,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:26,578 INFO L225 Difference]: With dead ends: 3935 [2021-11-20 07:30:26,578 INFO L226 Difference]: Without dead ends: 2473 [2021-11-20 07:30:26,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:30:26,587 INFO L933 BasicCegarLoop]: 1164 mSDtfsCounter, 1242 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 2548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 768 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:26,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1468 Valid, 3349 Invalid, 2548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [768 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-20 07:30:26,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2473 states. [2021-11-20 07:30:26,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2473 to 1744. [2021-11-20 07:30:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1744 states, 1063 states have (on average 1.394167450611477) internal successors, (1482), 1153 states have internal predecessors, (1482), 590 states have call successors, (590), 91 states have call predecessors, (590), 90 states have return successors, (589), 573 states have call predecessors, (589), 589 states have call successors, (589) [2021-11-20 07:30:26,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2661 transitions. [2021-11-20 07:30:26,765 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2661 transitions. Word has length 382 [2021-11-20 07:30:26,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:26,766 INFO L470 AbstractCegarLoop]: Abstraction has 1744 states and 2661 transitions. [2021-11-20 07:30:26,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 4 states have internal predecessors, (132), 4 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-11-20 07:30:26,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2661 transitions. [2021-11-20 07:30:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-20 07:30:26,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:26,780 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:26,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:30:26,781 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:26,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:26,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2022518081, now seen corresponding path program 1 times [2021-11-20 07:30:26,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:26,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280496293] [2021-11-20 07:30:26,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:26,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:30:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:30:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 07:30:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-20 07:30:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:30:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-20 07:30:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:30:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-20 07:30:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-20 07:30:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-20 07:30:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 07:30:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-20 07:30:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-20 07:30:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-20 07:30:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-20 07:30:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-11-20 07:30:27,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:27,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280496293] [2021-11-20 07:30:27,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280496293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:27,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:27,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:30:27,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239582500] [2021-11-20 07:30:27,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:27,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:30:27,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:27,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:30:27,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:30:27,379 INFO L87 Difference]: Start difference. First operand 1744 states and 2661 transitions. Second operand has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-20 07:30:29,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:29,780 INFO L93 Difference]: Finished difference Result 4173 states and 6518 transitions. [2021-11-20 07:30:29,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:30:29,781 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 395 [2021-11-20 07:30:29,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:29,804 INFO L225 Difference]: With dead ends: 4173 [2021-11-20 07:30:29,804 INFO L226 Difference]: Without dead ends: 2467 [2021-11-20 07:30:29,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:30:29,818 INFO L933 BasicCegarLoop]: 953 mSDtfsCounter, 744 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 2388 SdHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 950 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:29,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [885 Valid, 2388 Invalid, 1776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [950 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 07:30:29,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2021-11-20 07:30:29,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 1780. [2021-11-20 07:30:29,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1099 states have (on average 1.3776160145586898) internal successors, (1514), 1189 states have internal predecessors, (1514), 590 states have call successors, (590), 91 states have call predecessors, (590), 90 states have return successors, (589), 573 states have call predecessors, (589), 589 states have call successors, (589) [2021-11-20 07:30:30,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2693 transitions. [2021-11-20 07:30:30,002 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2693 transitions. Word has length 395 [2021-11-20 07:30:30,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:30,003 INFO L470 AbstractCegarLoop]: Abstraction has 1780 states and 2693 transitions. [2021-11-20 07:30:30,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-20 07:30:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2693 transitions. [2021-11-20 07:30:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-20 07:30:30,020 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:30,021 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:30,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:30:30,021 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:30,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:30,022 INFO L85 PathProgramCache]: Analyzing trace with hash -476306446, now seen corresponding path program 1 times [2021-11-20 07:30:30,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:30,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52909424] [2021-11-20 07:30:30,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:30,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:30:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:30:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 07:30:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-20 07:30:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:30:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-20 07:30:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:30:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-20 07:30:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-20 07:30:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-20 07:30:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-20 07:30:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 07:30:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-20 07:30:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-20 07:30:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-20 07:30:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-20 07:30:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-20 07:30:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2021-11-20 07:30:30,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:30,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52909424] [2021-11-20 07:30:30,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52909424] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:30,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:30,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:30:30,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098988577] [2021-11-20 07:30:30,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:30,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:30:30,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:30,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:30:30,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:30:30,778 INFO L87 Difference]: Start difference. First operand 1780 states and 2693 transitions. Second operand has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-20 07:30:32,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:32,865 INFO L93 Difference]: Finished difference Result 3692 states and 5660 transitions. [2021-11-20 07:30:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:30:32,866 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 404 [2021-11-20 07:30:32,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:32,890 INFO L225 Difference]: With dead ends: 3692 [2021-11-20 07:30:32,890 INFO L226 Difference]: Without dead ends: 1950 [2021-11-20 07:30:32,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:30:32,901 INFO L933 BasicCegarLoop]: 795 mSDtfsCounter, 1022 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 961 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 961 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:32,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1135 Valid, 1522 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [961 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-20 07:30:32,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2021-11-20 07:30:33,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1780. [2021-11-20 07:30:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1099 states have (on average 1.370336669699727) internal successors, (1506), 1189 states have internal predecessors, (1506), 590 states have call successors, (590), 91 states have call predecessors, (590), 90 states have return successors, (589), 573 states have call predecessors, (589), 589 states have call successors, (589) [2021-11-20 07:30:33,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2685 transitions. [2021-11-20 07:30:33,050 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2685 transitions. Word has length 404 [2021-11-20 07:30:33,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:33,051 INFO L470 AbstractCegarLoop]: Abstraction has 1780 states and 2685 transitions. [2021-11-20 07:30:33,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-20 07:30:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2685 transitions. [2021-11-20 07:30:33,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-11-20 07:30:33,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:33,099 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:33,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:30:33,100 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:33,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:33,101 INFO L85 PathProgramCache]: Analyzing trace with hash 290283610, now seen corresponding path program 1 times [2021-11-20 07:30:33,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:33,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053295323] [2021-11-20 07:30:33,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:33,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:30:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:30:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 07:30:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-20 07:30:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:30:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-20 07:30:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:30:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-20 07:30:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 07:30:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:30:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-20 07:30:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 07:30:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-20 07:30:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-20 07:30:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-20 07:30:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-11-20 07:30:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2021-11-20 07:30:33,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:33,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053295323] [2021-11-20 07:30:33,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053295323] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:30:33,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128267676] [2021-11-20 07:30:33,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:33,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:30:33,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:30:33,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:30:33,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:30:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:34,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:30:34,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:30:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2021-11-20 07:30:35,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:30:35,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128267676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:35,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:30:35,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-11-20 07:30:35,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67997678] [2021-11-20 07:30:35,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:35,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:30:35,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:35,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:30:35,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:30:35,605 INFO L87 Difference]: Start difference. First operand 1780 states and 2685 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-20 07:30:35,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:35,825 INFO L93 Difference]: Finished difference Result 3522 states and 5322 transitions. [2021-11-20 07:30:35,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:30:35,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 401 [2021-11-20 07:30:35,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:35,842 INFO L225 Difference]: With dead ends: 3522 [2021-11-20 07:30:35,842 INFO L226 Difference]: Without dead ends: 1780 [2021-11-20 07:30:35,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:30:35,852 INFO L933 BasicCegarLoop]: 840 mSDtfsCounter, 651 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:35,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [651 Valid, 840 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:30:35,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states. [2021-11-20 07:30:35,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 1780. [2021-11-20 07:30:35,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1099 states have (on average 1.3685168334849864) internal successors, (1504), 1189 states have internal predecessors, (1504), 590 states have call successors, (590), 91 states have call predecessors, (590), 90 states have return successors, (589), 573 states have call predecessors, (589), 589 states have call successors, (589) [2021-11-20 07:30:36,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2683 transitions. [2021-11-20 07:30:36,001 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2683 transitions. Word has length 401 [2021-11-20 07:30:36,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:36,002 INFO L470 AbstractCegarLoop]: Abstraction has 1780 states and 2683 transitions. [2021-11-20 07:30:36,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-20 07:30:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2683 transitions. [2021-11-20 07:30:36,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-11-20 07:30:36,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:36,019 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:36,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:30:36,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:30:36,247 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:36,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:36,247 INFO L85 PathProgramCache]: Analyzing trace with hash 926919638, now seen corresponding path program 1 times [2021-11-20 07:30:36,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:36,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709737052] [2021-11-20 07:30:36,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:36,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:30:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:30:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 07:30:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-20 07:30:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:30:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-20 07:30:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:30:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-20 07:30:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 07:30:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:30:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-20 07:30:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 07:30:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-20 07:30:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-20 07:30:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-20 07:30:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-20 07:30:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-11-20 07:30:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-11-20 07:30:36,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:36,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709737052] [2021-11-20 07:30:36,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709737052] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:30:36,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239694844] [2021-11-20 07:30:36,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:36,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:30:36,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:30:36,915 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:30:36,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:30:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:37,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 2143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:30:37,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:30:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2021-11-20 07:30:38,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:30:38,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239694844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:38,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:30:38,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2021-11-20 07:30:38,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657434856] [2021-11-20 07:30:38,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:38,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:30:38,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:38,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:30:38,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:30:38,261 INFO L87 Difference]: Start difference. First operand 1780 states and 2683 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-11-20 07:30:38,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:38,626 INFO L93 Difference]: Finished difference Result 4385 states and 6568 transitions. [2021-11-20 07:30:38,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:30:38,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 407 [2021-11-20 07:30:38,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:38,653 INFO L225 Difference]: With dead ends: 4385 [2021-11-20 07:30:38,653 INFO L226 Difference]: Without dead ends: 2561 [2021-11-20 07:30:38,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:30:38,666 INFO L933 BasicCegarLoop]: 1106 mSDtfsCounter, 515 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:38,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [515 Valid, 1879 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:30:38,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2021-11-20 07:30:38,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 2561. [2021-11-20 07:30:38,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 1623 states have (on average 1.3746149106592729) internal successors, (2231), 1738 states have internal predecessors, (2231), 793 states have call successors, (793), 145 states have call predecessors, (793), 144 states have return successors, (792), 772 states have call predecessors, (792), 792 states have call successors, (792) [2021-11-20 07:30:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3816 transitions. [2021-11-20 07:30:38,930 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3816 transitions. Word has length 407 [2021-11-20 07:30:38,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:38,931 INFO L470 AbstractCegarLoop]: Abstraction has 2561 states and 3816 transitions. [2021-11-20 07:30:38,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-11-20 07:30:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3816 transitions. [2021-11-20 07:30:38,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-11-20 07:30:38,952 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:38,952 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:30:39,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:30:39,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-20 07:30:39,177 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:39,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:39,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1228361653, now seen corresponding path program 1 times [2021-11-20 07:30:39,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:39,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16584601] [2021-11-20 07:30:39,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:39,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:30:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:30:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 07:30:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-20 07:30:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:30:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-20 07:30:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:30:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-20 07:30:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 07:30:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:30:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-20 07:30:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 07:30:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-20 07:30:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-20 07:30:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-20 07:30:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-20 07:30:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-20 07:30:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-20 07:30:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-20 07:30:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:39,656 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2021-11-20 07:30:39,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:39,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16584601] [2021-11-20 07:30:39,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16584601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:39,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:39,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:30:39,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924446487] [2021-11-20 07:30:39,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:39,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:30:39,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:39,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:30:39,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:30:39,661 INFO L87 Difference]: Start difference. First operand 2561 states and 3816 transitions. Second operand has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-20 07:30:42,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:42,550 INFO L93 Difference]: Finished difference Result 3949 states and 5897 transitions. [2021-11-20 07:30:42,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:30:42,560 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 416 [2021-11-20 07:30:42,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:42,581 INFO L225 Difference]: With dead ends: 3949 [2021-11-20 07:30:42,581 INFO L226 Difference]: Without dead ends: 1389 [2021-11-20 07:30:42,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:30:42,593 INFO L933 BasicCegarLoop]: 796 mSDtfsCounter, 264 mSDsluCounter, 2105 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 499 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:42,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 2901 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [499 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-20 07:30:42,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2021-11-20 07:30:42,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1217. [2021-11-20 07:30:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 767 states have (on average 1.3389830508474576) internal successors, (1027), 817 states have internal predecessors, (1027), 365 states have call successors, (365), 85 states have call predecessors, (365), 84 states have return successors, (364), 354 states have call predecessors, (364), 364 states have call successors, (364) [2021-11-20 07:30:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1756 transitions. [2021-11-20 07:30:42,700 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1756 transitions. Word has length 416 [2021-11-20 07:30:42,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:42,701 INFO L470 AbstractCegarLoop]: Abstraction has 1217 states and 1756 transitions. [2021-11-20 07:30:42,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-20 07:30:42,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1756 transitions. [2021-11-20 07:30:42,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-11-20 07:30:42,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:42,712 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:42,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:30:42,713 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:42,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:42,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1857184944, now seen corresponding path program 1 times [2021-11-20 07:30:42,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:42,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425847862] [2021-11-20 07:30:42,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:42,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:42,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:30:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:30:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 07:30:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-20 07:30:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:30:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-20 07:30:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:30:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-20 07:30:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 07:30:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:30:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-20 07:30:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 07:30:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-20 07:30:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-20 07:30:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-20 07:30:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-20 07:30:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-20 07:30:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-20 07:30:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-20 07:30:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-20 07:30:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-20 07:30:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-20 07:30:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2021-11-20 07:30:43,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:43,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425847862] [2021-11-20 07:30:43,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425847862] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:30:43,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466569013] [2021-11-20 07:30:43,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:43,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:30:43,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:30:43,387 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:30:43,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:30:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:43,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 2255 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:30:43,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:30:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-20 07:30:44,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:30:44,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466569013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:44,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:30:44,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 14 [2021-11-20 07:30:44,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959045727] [2021-11-20 07:30:44,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:44,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:30:44,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:44,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:30:44,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:30:44,747 INFO L87 Difference]: Start difference. First operand 1217 states and 1756 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2021-11-20 07:30:44,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:44,865 INFO L93 Difference]: Finished difference Result 2365 states and 3425 transitions. [2021-11-20 07:30:44,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:30:44,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) Word has length 431 [2021-11-20 07:30:44,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:44,877 INFO L225 Difference]: With dead ends: 2365 [2021-11-20 07:30:44,878 INFO L226 Difference]: Without dead ends: 1225 [2021-11-20 07:30:44,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:30:44,884 INFO L933 BasicCegarLoop]: 825 mSDtfsCounter, 0 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3287 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:44,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3287 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:30:44,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2021-11-20 07:30:44,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1219. [2021-11-20 07:30:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 768 states have (on average 1.3385416666666667) internal successors, (1028), 819 states have internal predecessors, (1028), 365 states have call successors, (365), 85 states have call predecessors, (365), 85 states have return successors, (367), 354 states have call predecessors, (367), 364 states have call successors, (367) [2021-11-20 07:30:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1760 transitions. [2021-11-20 07:30:44,987 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1760 transitions. Word has length 431 [2021-11-20 07:30:44,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:44,987 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 1760 transitions. [2021-11-20 07:30:44,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2021-11-20 07:30:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1760 transitions. [2021-11-20 07:30:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-11-20 07:30:44,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:44,999 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:45,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-20 07:30:45,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:30:45,223 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:45,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:45,224 INFO L85 PathProgramCache]: Analyzing trace with hash 791583314, now seen corresponding path program 1 times [2021-11-20 07:30:45,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:45,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141778096] [2021-11-20 07:30:45,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:45,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:30:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:30:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:30:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:30:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:30:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 07:30:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-20 07:30:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:30:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 07:30:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-20 07:30:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-20 07:30:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 07:30:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-20 07:30:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-20 07:30:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-20 07:30:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-20 07:30:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-20 07:30:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-20 07:30:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-20 07:30:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-11-20 07:30:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-20 07:30:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-20 07:30:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-20 07:30:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-20 07:30:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2021-11-20 07:30:45,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:45,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141778096] [2021-11-20 07:30:45,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141778096] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:30:45,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439019130] [2021-11-20 07:30:45,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:45,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:30:45,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:30:45,815 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:30:45,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:30:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:46,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:30:46,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:30:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 393 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2021-11-20 07:30:47,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:30:47,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439019130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:47,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:30:47,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 14 [2021-11-20 07:30:47,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705271369] [2021-11-20 07:30:47,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:47,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:30:47,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:47,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:30:47,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:30:47,047 INFO L87 Difference]: Start difference. First operand 1219 states and 1760 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-20 07:30:47,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:47,155 INFO L93 Difference]: Finished difference Result 2312 states and 3351 transitions. [2021-11-20 07:30:47,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:30:47,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) Word has length 439 [2021-11-20 07:30:47,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:47,165 INFO L225 Difference]: With dead ends: 2312 [2021-11-20 07:30:47,166 INFO L226 Difference]: Without dead ends: 1225 [2021-11-20 07:30:47,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:30:47,171 INFO L933 BasicCegarLoop]: 825 mSDtfsCounter, 0 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3287 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:47,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3287 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:30:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2021-11-20 07:30:47,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1219. [2021-11-20 07:30:47,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 768 states have (on average 1.3385416666666667) internal successors, (1028), 819 states have internal predecessors, (1028), 365 states have call successors, (365), 85 states have call predecessors, (365), 85 states have return successors, (365), 354 states have call predecessors, (365), 364 states have call successors, (365) [2021-11-20 07:30:47,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1758 transitions. [2021-11-20 07:30:47,256 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1758 transitions. Word has length 439 [2021-11-20 07:30:47,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:47,257 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 1758 transitions. [2021-11-20 07:30:47,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-20 07:30:47,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1758 transitions. [2021-11-20 07:30:47,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-11-20 07:30:47,266 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:47,266 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:30:47,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:30:47,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-20 07:30:47,485 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:47,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:47,486 INFO L85 PathProgramCache]: Analyzing trace with hash -283363491, now seen corresponding path program 2 times [2021-11-20 07:30:47,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:47,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870497753] [2021-11-20 07:30:47,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:47,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:30:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:30:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:30:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:30:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:30:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 07:30:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-20 07:30:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:30:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:30:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:30:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:30:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:30:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 07:30:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-20 07:30:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-20 07:30:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 07:30:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-20 07:30:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-20 07:30:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-20 07:30:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-20 07:30:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-20 07:30:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-20 07:30:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-11-20 07:30:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-20 07:30:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:48,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:48,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-20 07:30:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:48,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-20 07:30:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-20 07:30:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-20 07:30:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:48,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-11-20 07:30:48,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:48,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870497753] [2021-11-20 07:30:48,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870497753] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:30:48,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24437904] [2021-11-20 07:30:48,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:30:48,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:30:48,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:30:48,071 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:30:48,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:30:49,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:30:49,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:30:49,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 2311 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:30:49,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:30:49,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2021-11-20 07:30:49,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:30:49,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24437904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:49,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:30:49,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 14 [2021-11-20 07:30:49,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259385466] [2021-11-20 07:30:49,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:49,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:30:49,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:49,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:30:49,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:30:49,763 INFO L87 Difference]: Start difference. First operand 1219 states and 1758 transitions. Second operand has 8 states, 8 states have (on average 21.25) internal successors, (170), 6 states have internal predecessors, (170), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53) [2021-11-20 07:30:49,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:49,915 INFO L93 Difference]: Finished difference Result 2520 states and 3755 transitions. [2021-11-20 07:30:49,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:30:49,916 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 6 states have internal predecessors, (170), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53) Word has length 456 [2021-11-20 07:30:49,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:49,931 INFO L225 Difference]: With dead ends: 2520 [2021-11-20 07:30:49,931 INFO L226 Difference]: Without dead ends: 1678 [2021-11-20 07:30:49,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:30:49,937 INFO L933 BasicCegarLoop]: 1127 mSDtfsCounter, 236 mSDsluCounter, 6485 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 7612 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:49,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 7612 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:30:49,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2021-11-20 07:30:50,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1235. [2021-11-20 07:30:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 780 states have (on average 1.3333333333333333) internal successors, (1040), 831 states have internal predecessors, (1040), 365 states have call successors, (365), 85 states have call predecessors, (365), 89 states have return successors, (380), 358 states have call predecessors, (380), 364 states have call successors, (380) [2021-11-20 07:30:50,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1785 transitions. [2021-11-20 07:30:50,075 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1785 transitions. Word has length 456 [2021-11-20 07:30:50,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:50,076 INFO L470 AbstractCegarLoop]: Abstraction has 1235 states and 1785 transitions. [2021-11-20 07:30:50,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 6 states have internal predecessors, (170), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53) [2021-11-20 07:30:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1785 transitions. [2021-11-20 07:30:50,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-11-20 07:30:50,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:50,088 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:30:50,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:30:50,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-20 07:30:50,311 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:50,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:50,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1287254364, now seen corresponding path program 1 times [2021-11-20 07:30:50,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:50,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472202041] [2021-11-20 07:30:50,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:50,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:30:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:30:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:30:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:30:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:30:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 07:30:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-20 07:30:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:30:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:30:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:30:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:30:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:30:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 07:30:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-20 07:30:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-20 07:30:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 07:30:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-20 07:30:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-20 07:30:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-20 07:30:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-20 07:30:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-20 07:30:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-20 07:30:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-20 07:30:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-20 07:30:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-20 07:30:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-20 07:30:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-20 07:30:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-20 07:30:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-20 07:30:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-20 07:30:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-20 07:30:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-20 07:30:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-20 07:30:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 1050 trivial. 0 not checked. [2021-11-20 07:30:50,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:50,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472202041] [2021-11-20 07:30:50,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472202041] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:30:50,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716017808] [2021-11-20 07:30:50,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:50,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:30:50,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:30:50,962 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:30:50,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 07:30:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:51,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:30:51,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:30:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1001 trivial. 0 not checked. [2021-11-20 07:30:52,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:30:52,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716017808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:52,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:30:52,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 18 [2021-11-20 07:30:52,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693038814] [2021-11-20 07:30:52,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:52,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:30:52,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:52,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:30:52,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-11-20 07:30:52,355 INFO L87 Difference]: Start difference. First operand 1235 states and 1785 transitions. Second operand has 10 states, 10 states have (on average 17.4) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) [2021-11-20 07:30:53,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:53,680 INFO L93 Difference]: Finished difference Result 3410 states and 5056 transitions. [2021-11-20 07:30:53,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 07:30:53,681 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.4) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) Word has length 476 [2021-11-20 07:30:53,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:53,701 INFO L225 Difference]: With dead ends: 3410 [2021-11-20 07:30:53,701 INFO L226 Difference]: Without dead ends: 2552 [2021-11-20 07:30:53,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 630 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=654, Unknown=0, NotChecked=0, Total=756 [2021-11-20 07:30:53,708 INFO L933 BasicCegarLoop]: 1532 mSDtfsCounter, 1099 mSDsluCounter, 10931 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 12463 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:53,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1103 Valid, 12463 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 07:30:53,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2021-11-20 07:30:53,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 1247. [2021-11-20 07:30:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 786 states have (on average 1.3307888040712468) internal successors, (1046), 837 states have internal predecessors, (1046), 371 states have call successors, (371), 85 states have call predecessors, (371), 89 states have return successors, (386), 364 states have call predecessors, (386), 370 states have call successors, (386) [2021-11-20 07:30:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1803 transitions. [2021-11-20 07:30:53,838 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1803 transitions. Word has length 476 [2021-11-20 07:30:53,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:53,839 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 1803 transitions. [2021-11-20 07:30:53,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.4) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) [2021-11-20 07:30:53,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1803 transitions. [2021-11-20 07:30:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-20 07:30:53,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:53,850 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:30:53,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:30:54,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-20 07:30:54,063 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:54,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:54,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2119745061, now seen corresponding path program 1 times [2021-11-20 07:30:54,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:54,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662507878] [2021-11-20 07:30:54,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:54,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:30:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 07:30:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:30:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:30:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:30:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:30:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:30:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:30:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:30:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:30:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:30:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 07:30:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-20 07:30:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:30:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:30:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:30:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:30:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:30:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 07:30:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-20 07:30:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-20 07:30:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 07:30:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-20 07:30:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-20 07:30:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-20 07:30:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-20 07:30:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-20 07:30:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-20 07:30:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-11-20 07:30:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-20 07:30:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-20 07:30:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-20 07:30:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-20 07:30:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-20 07:30:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-20 07:30:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-11-20 07:30:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-20 07:30:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2021-11-20 07:30:54,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:54,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662507878] [2021-11-20 07:30:54,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662507878] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:30:54,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665092661] [2021-11-20 07:30:54,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:54,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:30:54,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:30:54,827 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:30:54,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 07:30:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:55,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 2331 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 07:30:55,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:30:56,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2021-11-20 07:30:56,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:30:56,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665092661] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:56,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:30:56,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2021-11-20 07:30:56,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461111863] [2021-11-20 07:30:56,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:56,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:30:56,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:56,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:30:56,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:30:56,342 INFO L87 Difference]: Start difference. First operand 1247 states and 1803 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-20 07:30:56,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:56,483 INFO L93 Difference]: Finished difference Result 2476 states and 3589 transitions. [2021-11-20 07:30:56,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:30:56,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 467 [2021-11-20 07:30:56,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:56,505 INFO L225 Difference]: With dead ends: 2476 [2021-11-20 07:30:56,511 INFO L226 Difference]: Without dead ends: 1248 [2021-11-20 07:30:56,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:30:56,520 INFO L933 BasicCegarLoop]: 824 mSDtfsCounter, 3 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2459 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:56,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 2459 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:30:56,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2021-11-20 07:30:56,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1248. [2021-11-20 07:30:56,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 787 states have (on average 1.3303684879288438) internal successors, (1047), 838 states have internal predecessors, (1047), 371 states have call successors, (371), 85 states have call predecessors, (371), 89 states have return successors, (386), 364 states have call predecessors, (386), 370 states have call successors, (386) [2021-11-20 07:30:56,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1804 transitions. [2021-11-20 07:30:56,643 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1804 transitions. Word has length 467 [2021-11-20 07:30:56,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:56,643 INFO L470 AbstractCegarLoop]: Abstraction has 1248 states and 1804 transitions. [2021-11-20 07:30:56,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-20 07:30:56,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1804 transitions. [2021-11-20 07:30:56,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-11-20 07:30:56,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:56,654 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:30:56,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:30:56,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-20 07:30:56,879 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:56,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:56,879 INFO L85 PathProgramCache]: Analyzing trace with hash 756315388, now seen corresponding path program 1 times [2021-11-20 07:30:56,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:56,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424154996] [2021-11-20 07:30:56,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:56,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-20 07:30:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:30:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:30:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:30:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 07:30:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:30:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:30:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:30:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:30:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:30:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:30:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 07:30:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:30:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 07:30:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:30:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:30:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:30:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:30:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:30:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 07:30:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-20 07:30:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-20 07:30:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 07:30:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-20 07:30:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-20 07:30:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-20 07:30:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-20 07:30:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-20 07:30:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-20 07:30:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-20 07:30:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-20 07:30:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-20 07:30:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-20 07:30:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-20 07:30:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-20 07:30:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-20 07:30:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-20 07:30:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-20 07:30:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-20 07:30:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2021-11-20 07:30:57,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:57,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424154996] [2021-11-20 07:30:57,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424154996] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:30:57,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205249751] [2021-11-20 07:30:57,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:57,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:30:57,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:30:57,515 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:30:57,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 07:30:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:58,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 2405 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 07:30:58,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:30:58,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2021-11-20 07:30:58,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:30:58,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205249751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:58,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:30:58,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2021-11-20 07:30:58,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217179954] [2021-11-20 07:30:58,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:58,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:30:58,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:58,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:30:58,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:30:58,847 INFO L87 Difference]: Start difference. First operand 1248 states and 1804 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2021-11-20 07:30:59,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:59,138 INFO L93 Difference]: Finished difference Result 2121 states and 3086 transitions. [2021-11-20 07:30:59,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:30:59,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 482 [2021-11-20 07:30:59,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:59,146 INFO L225 Difference]: With dead ends: 2121 [2021-11-20 07:30:59,147 INFO L226 Difference]: Without dead ends: 1205 [2021-11-20 07:30:59,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:30:59,151 INFO L933 BasicCegarLoop]: 825 mSDtfsCounter, 8 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:59,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 3264 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:30:59,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2021-11-20 07:30:59,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1161. [2021-11-20 07:30:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 744 states have (on average 1.331989247311828) internal successors, (991), 786 states have internal predecessors, (991), 330 states have call successors, (330), 82 states have call predecessors, (330), 86 states have return successors, (345), 325 states have call predecessors, (345), 329 states have call successors, (345) [2021-11-20 07:30:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1666 transitions. [2021-11-20 07:30:59,245 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1666 transitions. Word has length 482 [2021-11-20 07:30:59,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:59,246 INFO L470 AbstractCegarLoop]: Abstraction has 1161 states and 1666 transitions. [2021-11-20 07:30:59,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2021-11-20 07:30:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1666 transitions. [2021-11-20 07:30:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-11-20 07:30:59,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:59,255 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:30:59,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:30:59,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-20 07:30:59,475 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:59,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:59,476 INFO L85 PathProgramCache]: Analyzing trace with hash 13882699, now seen corresponding path program 1 times [2021-11-20 07:30:59,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:59,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90819874] [2021-11-20 07:30:59,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:59,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:30:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:30:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:30:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:30:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-20 07:30:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:30:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:30:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:30:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 07:30:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:30:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:30:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:30:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:30:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:30:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:30:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:30:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 07:30:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:30:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:30:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:30:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:30:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 07:30:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:30:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:30:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:30:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:30:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:30:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 07:30:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:30:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-20 07:30:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-20 07:31:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 07:31:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-20 07:31:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-20 07:31:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-20 07:31:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:31:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:31:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:31:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-20 07:31:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-20 07:31:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-11-20 07:31:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-20 07:31:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-20 07:31:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-20 07:31:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-20 07:31:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-20 07:31:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-20 07:31:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-20 07:31:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-20 07:31:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2021-11-20 07:31:00,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:31:00,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90819874] [2021-11-20 07:31:00,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90819874] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:31:00,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088916901] [2021-11-20 07:31:00,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:00,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:31:00,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:31:00,139 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:31:00,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 07:31:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:00,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 2367 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:31:00,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:31:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 152 proven. 1 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2021-11-20 07:31:01,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:31:03,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2021-11-20 07:31:03,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088916901] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:31:03,023 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:31:03,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16 [2021-11-20 07:31:03,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718786108] [2021-11-20 07:31:03,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:31:03,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 07:31:03,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:31:03,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 07:31:03,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2021-11-20 07:31:03,027 INFO L87 Difference]: Start difference. First operand 1161 states and 1666 transitions. Second operand has 16 states, 16 states have (on average 15.1875) internal successors, (243), 11 states have internal predecessors, (243), 2 states have call successors, (129), 6 states have call predecessors, (129), 5 states have return successors, (118), 3 states have call predecessors, (118), 2 states have call successors, (118) [2021-11-20 07:31:06,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:06,023 INFO L93 Difference]: Finished difference Result 2435 states and 3578 transitions. [2021-11-20 07:31:06,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 07:31:06,023 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 15.1875) internal successors, (243), 11 states have internal predecessors, (243), 2 states have call successors, (129), 6 states have call predecessors, (129), 5 states have return successors, (118), 3 states have call predecessors, (118), 2 states have call successors, (118) Word has length 473 [2021-11-20 07:31:06,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:06,032 INFO L225 Difference]: With dead ends: 2435 [2021-11-20 07:31:06,032 INFO L226 Difference]: Without dead ends: 1293 [2021-11-20 07:31:06,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1120 GetRequests, 1092 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2021-11-20 07:31:06,039 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 368 mSDsluCounter, 4742 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 688 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 5474 SdHoareTripleChecker+Invalid, 2387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:06,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [392 Valid, 5474 Invalid, 2387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 07:31:06,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2021-11-20 07:31:06,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1191. [2021-11-20 07:31:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 769 states have (on average 1.3250975292587777) internal successors, (1019), 811 states have internal predecessors, (1019), 330 states have call successors, (330), 83 states have call predecessors, (330), 91 states have return successors, (351), 329 states have call predecessors, (351), 329 states have call successors, (351) [2021-11-20 07:31:06,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1700 transitions. [2021-11-20 07:31:06,143 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1700 transitions. Word has length 473 [2021-11-20 07:31:06,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:06,144 INFO L470 AbstractCegarLoop]: Abstraction has 1191 states and 1700 transitions. [2021-11-20 07:31:06,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 15.1875) internal successors, (243), 11 states have internal predecessors, (243), 2 states have call successors, (129), 6 states have call predecessors, (129), 5 states have return successors, (118), 3 states have call predecessors, (118), 2 states have call successors, (118) [2021-11-20 07:31:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1700 transitions. [2021-11-20 07:31:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-11-20 07:31:06,153 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:06,154 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:31:06,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:31:06,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-20 07:31:06,370 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:06,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:06,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1899891663, now seen corresponding path program 1 times [2021-11-20 07:31:06,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:31:06,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712279530] [2021-11-20 07:31:06,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:06,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:31:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:31:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:31:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:31:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:31:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:31:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 07:31:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:31:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:31:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:31:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:06,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-20 07:31:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 07:31:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:31:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 07:31:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:31:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:31:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:31:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-20 07:31:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:31:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:31:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 07:31:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-20 07:31:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:31:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:31:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:31:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-20 07:31:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:31:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 07:31:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:31:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:31:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:31:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:31:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-20 07:31:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 07:31:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-20 07:31:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-20 07:31:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-20 07:31:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-20 07:31:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-20 07:31:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:31:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:31:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:31:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-20 07:31:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-20 07:31:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-20 07:31:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-20 07:31:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-20 07:31:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-20 07:31:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-20 07:31:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-20 07:31:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-20 07:31:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-11-20 07:31:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-20 07:31:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 1286 trivial. 0 not checked. [2021-11-20 07:31:07,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:31:07,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712279530] [2021-11-20 07:31:07,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712279530] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:31:07,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973248366] [2021-11-20 07:31:07,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:07,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:31:07,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:31:07,322 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:31:07,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 07:31:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:07,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 2495 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-20 07:31:07,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:31:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 373 proven. 50 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2021-11-20 07:31:09,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:31:10,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 36 proven. 51 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-11-20 07:31:10,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973248366] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:31:10,504 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:31:10,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 6] total 25 [2021-11-20 07:31:10,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628116735] [2021-11-20 07:31:10,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:31:10,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 07:31:10,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:31:10,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 07:31:10,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2021-11-20 07:31:10,509 INFO L87 Difference]: Start difference. First operand 1191 states and 1700 transitions. Second operand has 25 states, 25 states have (on average 9.88) internal successors, (247), 21 states have internal predecessors, (247), 2 states have call successors, (125), 6 states have call predecessors, (125), 5 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2021-11-20 07:31:14,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:14,721 INFO L93 Difference]: Finished difference Result 2478 states and 3579 transitions. [2021-11-20 07:31:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-20 07:31:14,722 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 9.88) internal successors, (247), 21 states have internal predecessors, (247), 2 states have call successors, (125), 6 states have call predecessors, (125), 5 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 499 [2021-11-20 07:31:14,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:14,731 INFO L225 Difference]: With dead ends: 2478 [2021-11-20 07:31:14,731 INFO L226 Difference]: Without dead ends: 1296 [2021-11-20 07:31:14,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1182 GetRequests, 1141 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=311, Invalid=1495, Unknown=0, NotChecked=0, Total=1806 [2021-11-20 07:31:14,738 INFO L933 BasicCegarLoop]: 735 mSDtfsCounter, 608 mSDsluCounter, 8073 mSDsCounter, 0 mSdLazyCounter, 2892 mSolverCounterSat, 982 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 8808 SdHoareTripleChecker+Invalid, 3874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 982 IncrementalHoareTripleChecker+Valid, 2892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:14,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [632 Valid, 8808 Invalid, 3874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [982 Valid, 2892 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-20 07:31:14,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2021-11-20 07:31:14,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1194. [2021-11-20 07:31:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 772 states have (on average 1.3199481865284974) internal successors, (1019), 814 states have internal predecessors, (1019), 330 states have call successors, (330), 83 states have call predecessors, (330), 91 states have return successors, (351), 329 states have call predecessors, (351), 329 states have call successors, (351) [2021-11-20 07:31:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1700 transitions. [2021-11-20 07:31:14,888 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1700 transitions. Word has length 499 [2021-11-20 07:31:14,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:14,888 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 1700 transitions. [2021-11-20 07:31:14,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.88) internal successors, (247), 21 states have internal predecessors, (247), 2 states have call successors, (125), 6 states have call predecessors, (125), 5 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2021-11-20 07:31:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1700 transitions. [2021-11-20 07:31:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-11-20 07:31:14,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:14,898 INFO L514 BasicCegarLoop]: trace histogram [28, 21, 21, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:31:14,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:31:15,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-20 07:31:15,115 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:15,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:15,117 INFO L85 PathProgramCache]: Analyzing trace with hash -348241123, now seen corresponding path program 2 times [2021-11-20 07:31:15,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:31:15,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026982117] [2021-11-20 07:31:15,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:15,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:31:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:31:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:31:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:31:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:31:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:31:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:31:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:31:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:31:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:31:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-20 07:31:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-20 07:31:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:31:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 07:31:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:31:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:31:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:31:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:31:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:31:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:31:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-20 07:31:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-20 07:31:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:31:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:31:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:31:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-20 07:31:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:31:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 07:31:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:31:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:31:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:31:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-20 07:31:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 07:31:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-20 07:31:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-20 07:31:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-20 07:31:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:15,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-20 07:31:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-20 07:31:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-20 07:31:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:31:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:31:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:31:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-20 07:31:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-20 07:31:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-20 07:31:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-20 07:31:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-20 07:31:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-20 07:31:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-20 07:31:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-20 07:31:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:31:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-20 07:31:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-20 07:31:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-11-20 07:31:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked. [2021-11-20 07:31:16,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:31:16,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026982117] [2021-11-20 07:31:16,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026982117] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:31:16,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345585392] [2021-11-20 07:31:16,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:31:16,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:31:16,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:31:16,128 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:31:16,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-20 07:31:17,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:31:17,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:31:17,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 2565 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-20 07:31:17,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:31:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 348 proven. 15 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2021-11-20 07:31:18,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:31:20,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked. [2021-11-20 07:31:20,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345585392] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:31:20,334 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:31:20,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 26 [2021-11-20 07:31:20,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779473590] [2021-11-20 07:31:20,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:31:20,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-20 07:31:20,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:31:20,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-20 07:31:20,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2021-11-20 07:31:20,338 INFO L87 Difference]: Start difference. First operand 1194 states and 1700 transitions. Second operand has 26 states, 26 states have (on average 9.384615384615385) internal successors, (244), 22 states have internal predecessors, (244), 2 states have call successors, (127), 6 states have call predecessors, (127), 4 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2021-11-20 07:31:23,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:23,774 INFO L93 Difference]: Finished difference Result 2477 states and 3571 transitions. [2021-11-20 07:31:23,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 07:31:23,775 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 9.384615384615385) internal successors, (244), 22 states have internal predecessors, (244), 2 states have call successors, (127), 6 states have call predecessors, (127), 4 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 513 [2021-11-20 07:31:23,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:23,780 INFO L225 Difference]: With dead ends: 2477 [2021-11-20 07:31:23,780 INFO L226 Difference]: Without dead ends: 1299 [2021-11-20 07:31:23,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1210 GetRequests, 1169 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=405, Invalid=1401, Unknown=0, NotChecked=0, Total=1806 [2021-11-20 07:31:23,786 INFO L933 BasicCegarLoop]: 744 mSDtfsCounter, 337 mSDsluCounter, 5970 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 6714 SdHoareTripleChecker+Invalid, 2829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 540 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:23,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 6714 Invalid, 2829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [540 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-20 07:31:23,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2021-11-20 07:31:23,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1197. [2021-11-20 07:31:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 775 states have (on average 1.3187096774193547) internal successors, (1022), 817 states have internal predecessors, (1022), 330 states have call successors, (330), 83 states have call predecessors, (330), 91 states have return successors, (351), 329 states have call predecessors, (351), 329 states have call successors, (351) [2021-11-20 07:31:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1703 transitions. [2021-11-20 07:31:23,896 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1703 transitions. Word has length 513 [2021-11-20 07:31:23,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:23,896 INFO L470 AbstractCegarLoop]: Abstraction has 1197 states and 1703 transitions. [2021-11-20 07:31:23,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.384615384615385) internal successors, (244), 22 states have internal predecessors, (244), 2 states have call successors, (127), 6 states have call predecessors, (127), 4 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2021-11-20 07:31:23,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1703 transitions. [2021-11-20 07:31:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2021-11-20 07:31:23,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:23,908 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:31:23,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:31:24,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:31:24,135 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:24,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:24,136 INFO L85 PathProgramCache]: Analyzing trace with hash 908994673, now seen corresponding path program 3 times [2021-11-20 07:31:24,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:31:24,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371185438] [2021-11-20 07:31:24,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:24,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:31:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:31:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:31:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:31:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:31:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:31:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:31:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:31:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 07:31:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 07:31:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-20 07:31:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 07:31:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:31:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 07:31:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:31:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:31:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:31:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 07:31:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:31:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:31:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 07:31:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-20 07:31:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:31:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:31:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:31:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-20 07:31:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:31:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 07:31:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:31:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:31:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:31:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 07:31:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-20 07:31:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-20 07:31:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:31:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-20 07:31:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-20 07:31:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-20 07:31:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:24,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:31:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-20 07:31:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-20 07:31:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:31:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:31:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:31:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-20 07:31:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-20 07:31:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-20 07:31:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-20 07:31:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-20 07:31:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-11-20 07:31:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-20 07:31:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-11-20 07:31:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:31:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-11-20 07:31:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-11-20 07:31:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-11-20 07:31:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2118 trivial. 0 not checked. [2021-11-20 07:31:25,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:31:25,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371185438] [2021-11-20 07:31:25,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371185438] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:31:25,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:31:25,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:31:25,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963128062] [2021-11-20 07:31:25,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:25,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:31:25,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:31:25,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:31:25,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:31:25,109 INFO L87 Difference]: Start difference. First operand 1197 states and 1703 transitions. Second operand has 8 states, 8 states have (on average 20.125) internal successors, (161), 4 states have internal predecessors, (161), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-20 07:31:30,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:30,464 INFO L93 Difference]: Finished difference Result 4374 states and 6386 transitions. [2021-11-20 07:31:30,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:31:30,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 4 states have internal predecessors, (161), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) Word has length 519 [2021-11-20 07:31:30,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:30,487 INFO L225 Difference]: With dead ends: 4374 [2021-11-20 07:31:30,488 INFO L226 Difference]: Without dead ends: 3422 [2021-11-20 07:31:30,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-11-20 07:31:30,494 INFO L933 BasicCegarLoop]: 1045 mSDtfsCounter, 1734 mSDsluCounter, 2334 mSDsCounter, 0 mSdLazyCounter, 2194 mSolverCounterSat, 1704 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 3379 SdHoareTripleChecker+Invalid, 3898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1704 IncrementalHoareTripleChecker+Valid, 2194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:30,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1860 Valid, 3379 Invalid, 3898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1704 Valid, 2194 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-20 07:31:30,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3422 states. [2021-11-20 07:31:30,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3422 to 2983. [2021-11-20 07:31:30,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 1936 states have (on average 1.3321280991735538) internal successors, (2579), 2037 states have internal predecessors, (2579), 820 states have call successors, (820), 204 states have call predecessors, (820), 226 states have return successors, (874), 817 states have call predecessors, (874), 819 states have call successors, (874) [2021-11-20 07:31:30,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 4273 transitions. [2021-11-20 07:31:30,861 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 4273 transitions. Word has length 519 [2021-11-20 07:31:30,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:30,862 INFO L470 AbstractCegarLoop]: Abstraction has 2983 states and 4273 transitions. [2021-11-20 07:31:30,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 4 states have internal predecessors, (161), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-20 07:31:30,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 4273 transitions. [2021-11-20 07:31:30,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2021-11-20 07:31:30,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:30,880 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:31:30,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 07:31:30,880 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:30,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:30,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1056992081, now seen corresponding path program 1 times [2021-11-20 07:31:30,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:31:30,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188412736] [2021-11-20 07:31:30,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:30,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:31:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:31:31,901 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:31:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:31:33,600 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:31:33,600 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:31:33,601 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:31:33,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 07:31:33,606 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:31:33,611 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:31:33,689 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,694 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,694 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,695 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,696 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,697 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,697 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,697 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,698 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,698 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,701 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,701 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,702 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,702 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,702 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,702 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,703 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,703 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,703 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,703 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,704 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,704 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,704 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,704 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,705 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,705 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,705 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,705 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,706 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,706 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,706 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,707 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,707 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,707 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,707 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,708 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,708 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,708 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,708 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,709 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,709 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,709 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,709 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,709 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,710 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,710 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,710 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,710 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,711 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,711 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,711 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,711 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,712 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,712 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,712 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,713 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,713 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,713 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,714 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,714 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,714 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,714 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,715 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,715 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,715 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,715 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,716 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,716 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,716 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,716 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,716 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,717 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,717 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,717 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,717 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,718 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,718 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,718 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,719 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,719 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,719 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,719 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,720 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,720 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,720 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,720 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,721 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,721 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,721 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,721 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,722 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,722 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,722 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,722 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,723 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,723 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,723 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,723 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,724 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,724 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,724 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,724 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,724 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,725 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,725 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,726 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,726 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,726 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,726 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,726 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,727 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,727 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,727 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,728 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,728 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,728 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,728 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,729 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,729 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,729 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,729 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,729 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,730 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,730 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,731 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,731 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,731 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,731 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,732 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,732 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,733 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,733 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,733 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,733 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,734 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,734 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,734 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,734 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,735 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,735 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,735 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,735 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,736 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,736 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,736 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,736 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,737 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,737 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,737 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:33,737 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,738 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 07:31:33,738 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 07:31:34,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:31:34 BoogieIcfgContainer [2021-11-20 07:31:34,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:31:34,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:31:34,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:31:34,141 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:31:34,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:09" (3/4) ... [2021-11-20 07:31:34,144 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:31:34,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:31:34,146 INFO L158 Benchmark]: Toolchain (without parser) took 89016.92ms. Allocated memory was 92.3MB in the beginning and 809.5MB in the end (delta: 717.2MB). Free memory was 52.7MB in the beginning and 359.1MB in the end (delta: -306.4MB). Peak memory consumption was 410.8MB. Max. memory is 16.1GB. [2021-11-20 07:31:34,146 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:31:34,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1359.70ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 52.5MB in the beginning and 76.7MB in the end (delta: -24.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-11-20 07:31:34,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.39ms. Allocated memory is still 123.7MB. Free memory was 76.7MB in the beginning and 70.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:31:34,151 INFO L158 Benchmark]: Boogie Preprocessor took 156.88ms. Allocated memory is still 123.7MB. Free memory was 69.9MB in the beginning and 64.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:31:34,152 INFO L158 Benchmark]: RCFGBuilder took 2384.65ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 64.1MB in the beginning and 86.4MB in the end (delta: -22.2MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2021-11-20 07:31:34,152 INFO L158 Benchmark]: TraceAbstraction took 84900.19ms. Allocated memory was 172.0MB in the beginning and 809.5MB in the end (delta: 637.5MB). Free memory was 85.3MB in the beginning and 359.1MB in the end (delta: -273.8MB). Peak memory consumption was 453.9MB. Max. memory is 16.1GB. [2021-11-20 07:31:34,152 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 809.5MB. Free memory is still 359.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:31:34,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1359.70ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 52.5MB in the beginning and 76.7MB in the end (delta: -24.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 191.39ms. Allocated memory is still 123.7MB. Free memory was 76.7MB in the beginning and 70.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 156.88ms. Allocated memory is still 123.7MB. Free memory was 69.9MB in the beginning and 64.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2384.65ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 64.1MB in the beginning and 86.4MB in the end (delta: -22.2MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * TraceAbstraction took 84900.19ms. Allocated memory was 172.0MB in the beginning and 809.5MB in the end (delta: 637.5MB). Free memory was 85.3MB in the beginning and 359.1MB in the end (delta: -273.8MB). Peak memory consumption was 453.9MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 809.5MB. Free memory is still 359.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4338]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 3320, overapproximation of bitwiseOr at line 3380, overapproximation of bitwiseAnd at line 3151. Possible FailurePath: [L3268] int LDV_IN_INTERRUPT = 1; [L3269] struct file *wdt_fops_group2 ; [L3270] int ldv_state_variable_2 ; [L3271] struct inode *wdt_fops_group1 ; [L3272] int ref_cnt ; [L3273] int ldv_state_variable_1 ; [L3274] int ldv_state_variable_0 ; [L3304] static unsigned int base ; [L3305] static unsigned int gpact ; [L3306] static unsigned int ciract ; [L3307] static unsigned int max_units ; [L3308] static unsigned int chip_type ; [L3309] static unsigned long wdt_status ; [L3310] static int nogameport = 0; [L3311] static int nocir = 0; [L3312] static int exclusive = 1; [L3313] static int timeout = 60; [L3314] static int testmode = 0; [L3315] static bool nowayout = 1; [L3695] static struct watchdog_info const ident = {33152U, 1U, {'I', 'T', '8', '7', ' ', 'W', 'D', 'T', '\000'}}; [L3878-L3880] static struct file_operations const wdt_fops = {& __this_module, & no_llseek, 0, & wdt_write, 0, 0, 0, 0, & wdt_ioctl, 0, 0, 0, & wdt_open, 0, & wdt_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L3881-L3882] static struct miscdevice wdt_miscdev = {130, "watchdog", & wdt_fops, {0, 0}, 0, 0, 0, 0, (unsigned short)0}; [L3883] static struct notifier_block wdt_notifier = {& wdt_notify_sys, 0, 0}; [L4119] int ldv_retval_0 ; [L4120] int ldv_retval_1 ; [L4377] int ldv_module_refcounter = 1; VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4137] void *ldvarg1 ; [L4138] void *tmp ; [L4139] struct notifier_block *ldvarg0 ; [L4140] void *tmp___0 ; [L4141] unsigned long ldvarg2 ; [L4142] size_t ldvarg8 ; [L4143] loff_t *ldvarg7 ; [L4144] void *tmp___1 ; [L4145] unsigned int ldvarg4 ; [L4146] unsigned long ldvarg3 ; [L4147] char *ldvarg9 ; [L4148] void *tmp___2 ; [L4149] int ldvarg5 ; [L4150] loff_t ldvarg6 ; [L4151] int tmp___3 ; [L4152] int tmp___4 ; [L4153] int tmp___5 ; [L4154] int tmp___6 ; VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg8={36893488147419103241:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4156] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3222] void *p ; [L3223] void *tmp ; [L3225] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __this_module={38:-37}, base=0, calloc(1UL, size)={-18446744073709551617:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, size=1, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3225] tmp = calloc(1UL, size) [L3226] p = tmp VAL [\old(size)=1, __this_module={38:-37}, base=0, calloc(1UL, size)={-18446744073709551617:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={-18446744073709551617:0}, ref_cnt=0, size=1, testmode=0, timeout=60, tmp={-18446744073709551617:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3184] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, cond=1, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __this_module={38:-37}, base=0, calloc(1UL, size)={-18446744073709551617:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={-18446744073709551617:0}, ref_cnt=0, size=1, testmode=0, timeout=60, tmp={-18446744073709551617:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3228] return (p); VAL [\old(size)=1, \result={-18446744073709551617:0}, __this_module={38:-37}, base=0, calloc(1UL, size)={-18446744073709551617:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={-18446744073709551617:0}, ref_cnt=0, size=1, testmode=0, timeout=60, tmp={-18446744073709551617:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4156] RET, EXPR ldv_init_zalloc(1UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg8={36893488147419103241:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4156] tmp = ldv_init_zalloc(1UL) [L4157] ldvarg1 = tmp VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg8={36893488147419103241:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4158] CALL, EXPR ldv_init_zalloc(24UL) VAL [\old(size)=24, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3222] void *p ; [L3223] void *tmp ; [L3225] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=24, __this_module={38:-37}, base=0, calloc(1UL, size)={18446744073709551618:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, size=24, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3225] tmp = calloc(1UL, size) [L3226] p = tmp VAL [\old(size)=24, __this_module={38:-37}, base=0, calloc(1UL, size)={18446744073709551618:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={18446744073709551618:0}, ref_cnt=0, size=24, testmode=0, timeout=60, tmp={18446744073709551618:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3184] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, cond=1, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=24, __this_module={38:-37}, base=0, calloc(1UL, size)={18446744073709551618:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={18446744073709551618:0}, ref_cnt=0, size=24, testmode=0, timeout=60, tmp={18446744073709551618:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3228] return (p); VAL [\old(size)=24, \result={18446744073709551618:0}, __this_module={38:-37}, base=0, calloc(1UL, size)={18446744073709551618:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={18446744073709551618:0}, ref_cnt=0, size=24, testmode=0, timeout=60, tmp={18446744073709551618:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4158] RET, EXPR ldv_init_zalloc(24UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(24UL)={18446744073709551618:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg8={36893488147419103241:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4158] tmp___0 = ldv_init_zalloc(24UL) [L4159] ldvarg0 = (struct notifier_block *)tmp___0 VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg8={36893488147419103241:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4160] CALL, EXPR ldv_init_zalloc(8UL) VAL [\old(size)=8, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3222] void *p ; [L3223] void *tmp ; [L3225] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=8, __this_module={38:-37}, base=0, calloc(1UL, size)={-55340232221128654847:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, size=8, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3225] tmp = calloc(1UL, size) [L3226] p = tmp VAL [\old(size)=8, __this_module={38:-37}, base=0, calloc(1UL, size)={-55340232221128654847:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={-55340232221128654847:0}, ref_cnt=0, size=8, testmode=0, timeout=60, tmp={-55340232221128654847:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3184] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, cond=1, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __this_module={38:-37}, base=0, calloc(1UL, size)={-55340232221128654847:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={-55340232221128654847:0}, ref_cnt=0, size=8, testmode=0, timeout=60, tmp={-55340232221128654847:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3228] return (p); VAL [\old(size)=8, \result={-55340232221128654847:0}, __this_module={38:-37}, base=0, calloc(1UL, size)={-55340232221128654847:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={-55340232221128654847:0}, ref_cnt=0, size=8, testmode=0, timeout=60, tmp={-55340232221128654847:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4160] RET, EXPR ldv_init_zalloc(8UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(8UL)={-55340232221128654847:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg8={36893488147419103241:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4160] tmp___1 = ldv_init_zalloc(8UL) [L4161] ldvarg7 = (loff_t *)tmp___1 VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4162] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3222] void *p ; [L3223] void *tmp ; [L3225] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __this_module={38:-37}, base=0, calloc(1UL, size)={36893488147419103233:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, size=1, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3225] tmp = calloc(1UL, size) [L3226] p = tmp VAL [\old(size)=1, __this_module={38:-37}, base=0, calloc(1UL, size)={36893488147419103233:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={36893488147419103233:0}, ref_cnt=0, size=1, testmode=0, timeout=60, tmp={36893488147419103233:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3184] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, cond=1, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __this_module={38:-37}, base=0, calloc(1UL, size)={36893488147419103233:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={36893488147419103233:0}, ref_cnt=0, size=1, testmode=0, timeout=60, tmp={36893488147419103233:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3228] return (p); VAL [\old(size)=1, \result={36893488147419103233:0}, __this_module={38:-37}, base=0, calloc(1UL, size)={36893488147419103233:0}, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={36893488147419103233:0}, ref_cnt=0, size=1, testmode=0, timeout=60, tmp={36893488147419103233:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4162] RET, EXPR ldv_init_zalloc(1UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4162] tmp___2 = ldv_init_zalloc(1UL) [L4163] ldvarg9 = (char *)tmp___2 [L4164] FCALL ldv_initialize() [L4165] CALL ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3233] void *tmp ; [L3235] EXPR, FCALL memset(s, c, n) [L3235] tmp = memset(s, c, n) [L3236] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={36893488147419103243:0}, __this_module={38:-37}, base=0, c=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, n=8, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, s={36893488147419103243:0}, s={36893488147419103243:0}, testmode=0, timeout=60, tmp={36893488147419103243:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4165] RET ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg2), 0, 8UL)={36893488147419103243:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4166] CALL ldv_memset((void *)(& ldvarg8), 0, 8UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3233] void *tmp ; [L3235] EXPR, FCALL memset(s, c, n) [L3235] tmp = memset(s, c, n) [L3236] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={36893488147419103241:0}, __this_module={38:-37}, base=0, c=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, n=8, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, s={36893488147419103241:0}, s={36893488147419103241:0}, testmode=0, timeout=60, tmp={36893488147419103241:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4166] RET ldv_memset((void *)(& ldvarg8), 0, 8UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg8), 0, 8UL)={36893488147419103241:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4167] CALL ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3233] void *tmp ; [L3235] EXPR, FCALL memset(s, c, n) [L3235] tmp = memset(s, c, n) [L3236] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103236:0}, __this_module={38:-37}, base=0, c=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, n=4, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, s={36893488147419103236:0}, s={36893488147419103236:0}, testmode=0, timeout=60, tmp={36893488147419103236:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4167] RET ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg4), 0, 4UL)={36893488147419103236:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4168] CALL ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3233] void *tmp ; [L3235] EXPR, FCALL memset(s, c, n) [L3235] tmp = memset(s, c, n) [L3236] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={36893488147419103237:0}, __this_module={38:-37}, base=0, c=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, n=8, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, s={36893488147419103237:0}, s={36893488147419103237:0}, testmode=0, timeout=60, tmp={36893488147419103237:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4168] RET ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 8UL)={36893488147419103237:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4169] CALL ldv_memset((void *)(& ldvarg5), 0, 4UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3233] void *tmp ; [L3235] EXPR, FCALL memset(s, c, n) [L3235] tmp = memset(s, c, n) [L3236] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103235:0}, __this_module={38:-37}, base=0, c=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, n=4, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, s={36893488147419103235:0}, s={36893488147419103235:0}, testmode=0, timeout=60, tmp={36893488147419103235:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4169] RET ldv_memset((void *)(& ldvarg5), 0, 4UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg5), 0, 4UL)={36893488147419103235:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4170] CALL ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3233] void *tmp ; [L3235] EXPR, FCALL memset(s, c, n) [L3235] tmp = memset(s, c, n) [L3236] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={36893488147419103240:0}, __this_module={38:-37}, base=0, c=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, n=8, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, s={36893488147419103240:0}, s={36893488147419103240:0}, testmode=0, timeout=60, tmp={36893488147419103240:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4170] RET ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg6), 0, 8UL)={36893488147419103240:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4171] ldv_state_variable_1 = 0 [L4172] ref_cnt = 0 [L4173] ldv_state_variable_0 = 1 [L4174] ldv_state_variable_2 = 0 VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4176] tmp___3 = __VERIFIER_nondet_int() [L4178] case 0: [L4196] case 1: VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, tmp___3=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4197] COND TRUE ldv_state_variable_0 != 0 [L4198] tmp___5 = __VERIFIER_nondet_int() [L4200] case 0: [L4208] case 1: VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, tmp___3=1, tmp___5=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4209] COND TRUE ldv_state_variable_0 == 1 [L4210] CALL, EXPR it87_wdt_init() [L3886] int rc ; [L3887] int try_gameport ; [L3888] u8 chip_rev ; [L3889] int gp_rreq_fail ; [L3890] int tmp ; [L3891] int tmp___0 ; [L3892] int tmp___1 ; [L3893] int tmp___2 ; [L3894] struct resource *tmp___3 ; [L3895] struct resource *tmp___4 ; [L3896] int tmp___5 ; [L3897] int tmp___6 ; [L3898] int tmp___7 ; [L3899] int tmp___8 ; [L3900] int tmp___9 ; [L3902] rc = 0 [L3903] try_gameport = nogameport == 0 [L3904] gp_rreq_fail = 0 [L3905] wdt_status = 0UL VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3906] CALL, EXPR superio_enter() VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3318] struct resource *tmp ; VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3320] CALL, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) VAL [\old(arg1)=46, \old(arg2)=2, \old(arg4)=4194304, __this_module={38:-37}, arg0={36893488147419103257:36893488147419103259}, arg3={4:0}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4453] CALL, EXPR ldv_malloc(sizeof(struct resource)) [L3188] void *p ; [L3189] void *tmp ; [L3190] int tmp___0 ; [L3192] tmp___0 = __VERIFIER_nondet_int() [L3193] COND FALSE !(tmp___0 != 0) [L3196] tmp = malloc(size) [L3197] p = tmp VAL [\old(size)=56, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={-36893488147419103231:0}, ref_cnt=0, size=56, testmode=0, timeout=60, tmp={-36893488147419103231:0}, tmp___0=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3198] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3184] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=0, ciract=0, cond=1, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3198] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=56, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={-36893488147419103231:0}, ref_cnt=0, size=56, testmode=0, timeout=60, tmp={-36893488147419103231:0}, tmp___0=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3199] return (p); VAL [\old(size)=56, \result={-36893488147419103231:0}, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, p={-36893488147419103231:0}, ref_cnt=0, size=56, testmode=0, timeout=60, tmp={-36893488147419103231:0}, tmp___0=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4453] RET, EXPR ldv_malloc(sizeof(struct resource)) [L4453] return ldv_malloc(sizeof(struct resource)); [L3320] RET, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) VAL [__request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)={-36893488147419103231:0}, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3320] tmp = __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) [L3321] COND FALSE !((unsigned long )tmp == (unsigned long )((struct resource *)0)) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-36893488147419103231:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3325] FCALL outb(135, 46) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-36893488147419103231:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3326] FCALL outb(1, 46) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-36893488147419103231:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3327] FCALL outb(85, 46) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-36893488147419103231:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3328] FCALL outb(85, 46) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-36893488147419103231:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3329] return (0); VAL [\result=0, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-36893488147419103231:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3906] RET, EXPR superio_enter() VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, superio_enter()=0, testmode=0, timeout=60, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3906] rc = superio_enter() [L3907] COND FALSE !(rc != 0) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3911] CALL, EXPR superio_inw(32) VAL [\old(reg)=32, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3368] int val ; [L3369] int tmp ; [L3370] unsigned char tmp___0 ; [L3371] unsigned char tmp___1 ; [L3373] tmp = reg [L3374] reg = reg + 1 VAL [\old(reg)=32, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=33, testmode=0, timeout=60, tmp=32, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3375] FCALL outb((int )((unsigned char )tmp), 46) VAL [\old(reg)=32, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=33, testmode=0, timeout=60, tmp=32, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3376] CALL, EXPR inb(47) VAL [\old(port)=47, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3170] unsigned char value ; [L3173] return (value); VAL [\old(port)=47, \result=29, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, port=47, ref_cnt=0, testmode=0, timeout=60, value=29, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3376] RET, EXPR inb(47) VAL [\old(reg)=32, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, inb(47)=29, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=33, testmode=0, timeout=60, tmp=32, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3376] tmp___0 = inb(47) [L3377] val = (int )tmp___0 << 8 VAL [\old(reg)=32, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=33, testmode=0, timeout=60, tmp=32, tmp___0=29, val=7424, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3378] FCALL outb((int )((unsigned char )reg), 46) VAL [\old(reg)=32, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=33, testmode=0, timeout=60, tmp=32, tmp___0=29, val=7424, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3379] CALL, EXPR inb(47) VAL [\old(port)=47, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3170] unsigned char value ; [L3173] return (value); VAL [\old(port)=47, \result=36893488147419103262, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, port=47, ref_cnt=0, testmode=0, timeout=60, value=30, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3379] RET, EXPR inb(47) VAL [\old(reg)=32, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, inb(47)=36893488147419103262, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=33, testmode=0, timeout=60, tmp=32, tmp___0=29, val=7424, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3379] tmp___1 = inb(47) [L3380] val = (int )tmp___1 | val [L3381] return (val); VAL [\old(reg)=32, \result=34592, __this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=33, testmode=0, timeout=60, tmp=32, tmp___0=29, tmp___1=30, val=34592, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3911] RET, EXPR superio_inw(32) VAL [__this_module={38:-37}, base=0, chip_type=0, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, superio_inw(32)=34592, testmode=0, timeout=60, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3911] tmp = superio_inw(32) [L3912] chip_type = (unsigned int )tmp VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3913] CALL, EXPR superio_inb(34) VAL [\old(reg)=34, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3351] unsigned char tmp ; VAL [\old(reg)=34, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=34, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3353] FCALL outb((int )((unsigned char )reg), 46) VAL [\old(reg)=34, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=34, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3354] CALL, EXPR inb(47) VAL [\old(port)=47, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3170] unsigned char value ; [L3173] return (value); VAL [\old(port)=47, \result=30, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, port=47, ref_cnt=0, testmode=0, timeout=60, value=30, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3354] RET, EXPR inb(47) VAL [\old(reg)=34, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, inb(47)=30, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=34, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3354] tmp = inb(47) [L3355] return ((int )tmp); VAL [\old(reg)=34, \result=30, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=34, testmode=0, timeout=60, tmp=30, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3913] RET, EXPR superio_inb(34) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, superio_inb(34)=30, testmode=0, timeout=60, tmp=34592, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3913] tmp___0 = superio_inb(34) [L3914] chip_rev = (unsigned int )((u8 )tmp___0) & 15U VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3915] CALL superio_exit() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3335] FCALL outb(2, 46) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3336] FCALL outb(2, 47) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3337] FCALL __release_region(& ioport_resource, 46ULL, 2ULL) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3915] RET superio_exit() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3917] case 34562U: [L3920] case 34578U: [L3923] case 34582U: VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3924] case 34598U: [L3927] case 34584U: VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3928] case 34592U: VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3929] case 34593U: VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3930] case 34600U: VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=0, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=1, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3931] case 34691U: [L3932] max_units = 65535U [L3933] try_gameport = 0 VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3947] CALL, EXPR superio_enter() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3318] struct resource *tmp ; VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3320] CALL, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) VAL [\old(arg1)=46, \old(arg2)=2, \old(arg4)=4194304, __this_module={38:-37}, arg0={36893488147419103257:36893488147419103259}, arg3={4:0}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4453] CALL, EXPR ldv_malloc(sizeof(struct resource)) [L3188] void *p ; [L3189] void *tmp ; [L3190] int tmp___0 ; [L3192] tmp___0 = __VERIFIER_nondet_int() [L3193] COND FALSE !(tmp___0 != 0) [L3196] tmp = malloc(size) [L3197] p = tmp VAL [\old(size)=56, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, p={-18446744073709551615:0}, ref_cnt=0, size=56, testmode=0, timeout=60, tmp={-18446744073709551615:0}, tmp___0=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3198] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3184] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, cond=1, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3198] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=56, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, p={-18446744073709551615:0}, ref_cnt=0, size=56, testmode=0, timeout=60, tmp={-18446744073709551615:0}, tmp___0=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3199] return (p); VAL [\old(size)=56, \result={-18446744073709551615:0}, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, p={-18446744073709551615:0}, ref_cnt=0, size=56, testmode=0, timeout=60, tmp={-18446744073709551615:0}, tmp___0=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4453] RET, EXPR ldv_malloc(sizeof(struct resource)) [L4453] return ldv_malloc(sizeof(struct resource)); [L3320] RET, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) VAL [__request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)={-18446744073709551615:0}, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3320] tmp = __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) [L3321] COND FALSE !((unsigned long )tmp == (unsigned long )((struct resource *)0)) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551615:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3325] FCALL outb(135, 46) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551615:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3326] FCALL outb(1, 46) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551615:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3327] FCALL outb(85, 46) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551615:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3328] FCALL outb(85, 46) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551615:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3329] return (0); VAL [\result=0, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551615:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3947] RET, EXPR superio_enter() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, superio_enter()=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3947] rc = superio_enter() [L3948] COND FALSE !(rc != 0) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3952] CALL superio_select(7) VAL [\old(ldn)=7, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3344] FCALL outb(7, 46) VAL [\old(ldn)=7, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, ldn=7, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3345] FCALL outb((int )((unsigned char )ldn), 47) VAL [\old(ldn)=7, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, ldn=7, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3952] RET superio_select(7) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3953] CALL superio_outb(128, 114) VAL [\old(reg)=114, \old(val)=128, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3361] FCALL outb((int )((unsigned char )reg), 46) VAL [\old(reg)=114, \old(val)=128, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=114, testmode=0, timeout=60, val=128, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3362] FCALL outb((int )((unsigned char )val), 47) VAL [\old(reg)=114, \old(val)=128, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=114, testmode=0, timeout=60, val=128, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3953] RET superio_outb(128, 114) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3954] CALL superio_outb(0, 113) VAL [\old(reg)=113, \old(val)=0, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3361] FCALL outb((int )((unsigned char )reg), 46) VAL [\old(reg)=113, \old(val)=0, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=113, testmode=0, timeout=60, val=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3362] FCALL outb((int )((unsigned char )val), 47) VAL [\old(reg)=113, \old(val)=0, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, reg=113, testmode=0, timeout=60, val=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3954] RET superio_outb(0, 113) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3955] COND FALSE !(try_gameport != 0) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3976] COND TRUE nocir == 0 VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3977] CALL, EXPR constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status)) VAL [\old(nr)=4, __this_module={38:-37}, addr={24:0}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3151] EXPR addr + (unsigned long )(nr >> 6) [L3151] return ((int )((unsigned long )*(addr + (unsigned long )(nr >> 6)) >> ((int )nr & 63)) & 1); [L3977] RET, EXPR constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status)) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status))=-2, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3977] tmp___6 = constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status)) [L3978] COND FALSE !(tmp___6 == 0) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, tmp___6=-2, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4008] COND FALSE !(timeout <= 0 || (unsigned int )timeout > max_units * 60U) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, tmp___6=-2, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4013] COND FALSE !((unsigned int )timeout > max_units) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, tmp___6=-2, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4017] CALL, EXPR register_reboot_notifier(& wdt_notifier) [L4480] return __VERIFIER_nondet_int(); [L4017] RET, EXPR register_reboot_notifier(& wdt_notifier) [L4017] rc = register_reboot_notifier(& wdt_notifier) [L4018] COND FALSE !(rc != 0) [L4023] CALL, EXPR ldv_misc_register_7(& wdt_miscdev) [L4312] ldv_func_ret_type ldv_func_res ; [L4313] int tmp ; [L4315] CALL, EXPR misc_register(misc) [L4468] return __VERIFIER_nondet_int(); [L4315] RET, EXPR misc_register(misc) [L4315] tmp = misc_register(misc) [L4316] ldv_func_res = tmp [L4317] ldv_state_variable_2 = 1 [L4318] CALL ldv_file_operations_2() [L4125] void *tmp ; [L4126] void *tmp___0 ; VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4128] CALL, EXPR ldv_init_zalloc(1000UL) VAL [\old(size)=1000, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3222] void *p ; [L3223] void *tmp ; [L3225] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1000, __this_module={38:-37}, base=0, calloc(1UL, size)={18446744073709551617:0}, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, size=1000, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3225] tmp = calloc(1UL, size) [L3226] p = tmp VAL [\old(size)=1000, __this_module={38:-37}, base=0, calloc(1UL, size)={18446744073709551617:0}, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, p={18446744073709551617:0}, ref_cnt=0, size=1000, testmode=0, timeout=60, tmp={18446744073709551617:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3184] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, cond=1, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1000, __this_module={38:-37}, base=0, calloc(1UL, size)={18446744073709551617:0}, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, p={18446744073709551617:0}, ref_cnt=0, size=1000, testmode=0, timeout=60, tmp={18446744073709551617:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3228] return (p); VAL [\old(size)=1000, \result={18446744073709551617:0}, __this_module={38:-37}, base=0, calloc(1UL, size)={18446744073709551617:0}, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, p={18446744073709551617:0}, ref_cnt=0, size=1000, testmode=0, timeout=60, tmp={18446744073709551617:0}, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4128] RET, EXPR ldv_init_zalloc(1000UL) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1000UL)={18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={0:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4128] tmp = ldv_init_zalloc(1000UL) [L4129] wdt_fops_group1 = (struct inode *)tmp VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={18446744073709551617:0}, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4130] CALL, EXPR ldv_init_zalloc(504UL) VAL [\old(size)=504, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3222] void *p ; [L3223] void *tmp ; [L3225] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=504, __this_module={38:-37}, base=0, calloc(1UL, size)={-55340232221128654849:0}, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, size=504, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3225] tmp = calloc(1UL, size) [L3226] p = tmp VAL [\old(size)=504, __this_module={38:-37}, base=0, calloc(1UL, size)={-55340232221128654849:0}, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, p={-55340232221128654849:0}, ref_cnt=0, size=504, testmode=0, timeout=60, tmp={-55340232221128654849:0}, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3184] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, cond=1, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3227] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=504, __this_module={38:-37}, base=0, calloc(1UL, size)={-55340232221128654849:0}, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, p={-55340232221128654849:0}, ref_cnt=0, size=504, testmode=0, timeout=60, tmp={-55340232221128654849:0}, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3228] return (p); VAL [\old(size)=504, \result={-55340232221128654849:0}, __this_module={38:-37}, base=0, calloc(1UL, size)={-55340232221128654849:0}, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, p={-55340232221128654849:0}, ref_cnt=0, size=504, testmode=0, timeout=60, tmp={-55340232221128654849:0}, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4130] RET, EXPR ldv_init_zalloc(504UL) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(504UL)={-55340232221128654849:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={18446744073709551617:0}, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={0:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4130] tmp___0 = ldv_init_zalloc(504UL) [L4131] wdt_fops_group2 = (struct file *)tmp___0 VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={18446744073709551617:0}, tmp___0={-55340232221128654849:0}, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4318] RET ldv_file_operations_2() [L4319] return (ldv_func_res); VAL [\result=0, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, misc={27:0}, misc={27:0}, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4023] RET, EXPR ldv_misc_register_7(& wdt_miscdev) [L4023] rc = ldv_misc_register_7(& wdt_miscdev) [L4024] COND FALSE !(rc != 0) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, tmp___6=-2, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4030] CALL, EXPR constant_test_bit(6L, (unsigned long const volatile *)(& wdt_status)) VAL [\old(nr)=6, __this_module={38:-37}, addr={24:0}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3151] EXPR addr + (unsigned long )(nr >> 6) [L3151] return ((int )((unsigned long )*(addr + (unsigned long )(nr >> 6)) >> ((int )nr & 63)) & 1); [L4030] RET, EXPR constant_test_bit(6L, (unsigned long const volatile *)(& wdt_status)) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, constant_test_bit(6L, (unsigned long const volatile *)(& wdt_status))=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, tmp___6=-2, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4030] tmp___7 = constant_test_bit(6L, (unsigned long const volatile *)(& wdt_status)) [L4031] COND FALSE !(tmp___7 != 0) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, tmp___6=-2, tmp___7=0, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4044] CALL superio_exit() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3335] FCALL outb(2, 46) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3336] FCALL outb(2, 47) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3337] FCALL __release_region(& ioport_resource, 46ULL, 2ULL) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4044] RET superio_exit() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, tmp___6=-2, tmp___7=0, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4045] return (0); VAL [\result=0, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gp_rreq_fail=0, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, rc=0, ref_cnt=0, testmode=0, timeout=60, tmp=34592, tmp___0=30, tmp___6=-2, tmp___7=0, try_gameport=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4210] RET, EXPR it87_wdt_init() [L4210] ldv_retval_0 = it87_wdt_init() [L4211] COND TRUE ldv_retval_0 == 0 [L4212] ldv_state_variable_0 = 3 [L4213] ldv_state_variable_1 = 1 VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, tmp___3=1, tmp___5=1, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4216] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, tmp___3=1, tmp___5=1, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4176] tmp___3 = __VERIFIER_nondet_int() [L4178] case 0: [L4196] case 1: [L4231] case 2: VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, tmp___3=2, tmp___5=1, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4232] COND TRUE ldv_state_variable_2 != 0 [L4233] tmp___6 = __VERIFIER_nondet_int() [L4235] case 0: [L4247] case 1: [L4255] case 2: [L4262] case 3: VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, tmp___3=2, tmp___5=1, tmp___6=3, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4263] COND TRUE ldv_state_variable_2 == 1 [L4264] CALL, EXPR wdt_open(wdt_fops_group1, wdt_fops_group2) [L3587] int tmp ; [L3588] int ret ; [L3589] int tmp___0 ; [L3590] int tmp___1 ; [L3591] int tmp___2 ; VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3593] COND TRUE exclusive != 0 VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3594] CALL, EXPR test_and_set_bit(1L, (unsigned long volatile *)(& wdt_status)) VAL [\old(nr)=1, __this_module={38:-37}, addr={24:0}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3132] char c ; [L3136] return ((int )((signed char )c) != 0); VAL [\old(nr)=1, \result=0, __this_module={38:-37}, addr={24:0}, addr={24:0}, base=0, c=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, nr=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3594] RET, EXPR test_and_set_bit(1L, (unsigned long volatile *)(& wdt_status)) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, test_and_set_bit(1L, (unsigned long volatile *)(& wdt_status))=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3594] tmp = test_and_set_bit(1L, (unsigned long volatile *)(& wdt_status)) [L3595] COND FALSE !(tmp != 0) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3601] CALL, EXPR test_and_set_bit(0L, (unsigned long volatile *)(& wdt_status)) VAL [\old(nr)=0, __this_module={38:-37}, addr={24:0}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3132] char c ; [L3136] return ((int )((signed char )c) != 0); VAL [\old(nr)=0, \result=0, __this_module={38:-37}, addr={24:0}, addr={24:0}, base=0, c=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, nr=0, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3601] RET, EXPR test_and_set_bit(0L, (unsigned long volatile *)(& wdt_status)) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, test_and_set_bit(0L, (unsigned long volatile *)(& wdt_status))=0, testmode=0, timeout=60, tmp=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3601] tmp___1 = test_and_set_bit(0L, (unsigned long volatile *)(& wdt_status)) [L3602] COND TRUE tmp___1 == 0 VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp=0, tmp___1=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3603] COND TRUE (int )nowayout VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp=0, tmp___1=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3604] CALL, EXPR test_and_set_bit(3L, (unsigned long volatile *)(& wdt_status)) VAL [\old(nr)=3, __this_module={38:-37}, addr={24:0}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3132] char c ; [L3136] return ((int )((signed char )c) != 0); VAL [\old(nr)=3, \result=0, __this_module={38:-37}, addr={24:0}, addr={24:0}, base=0, c=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, nr=3, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3604] RET, EXPR test_and_set_bit(3L, (unsigned long volatile *)(& wdt_status)) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, test_and_set_bit(3L, (unsigned long volatile *)(& wdt_status))=0, testmode=0, timeout=60, tmp=0, tmp___1=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3604] tmp___0 = test_and_set_bit(3L, (unsigned long volatile *)(& wdt_status)) [L3605] COND TRUE tmp___0 == 0 [L3606] CALL ldv___module_get_5(& __this_module) [L4300] CALL ldv_module_get(ldv_func_arg1) [L4381] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L4382] ldv_module_refcounter = ldv_module_refcounter + 1 VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, module={38:-37}, module={38:-37}, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4300] RET ldv_module_get(ldv_func_arg1) [L3606] RET ldv___module_get_5(& __this_module) [L3611] CALL, EXPR wdt_start() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3464] int ret ; [L3465] int tmp ; [L3466] int tmp___0 ; [L3467] int tmp___1 ; VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3469] CALL, EXPR superio_enter() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3318] struct resource *tmp ; VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3320] CALL, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) VAL [\old(arg1)=46, \old(arg2)=2, \old(arg4)=4194304, __this_module={38:-37}, arg0={36893488147419103257:36893488147419103259}, arg3={4:0}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4453] CALL, EXPR ldv_malloc(sizeof(struct resource)) [L3188] void *p ; [L3189] void *tmp ; [L3190] int tmp___0 ; [L3192] tmp___0 = __VERIFIER_nondet_int() [L3193] COND TRUE tmp___0 != 0 [L3194] return ((void *)0); VAL [\old(size)=56, \result={0:0}, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, size=56, testmode=0, timeout=60, tmp___0=1, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4453] RET, EXPR ldv_malloc(sizeof(struct resource)) [L4453] return ldv_malloc(sizeof(struct resource)); [L3320] RET, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) VAL [__request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)={0:0}, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3320] tmp = __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) [L3321] COND TRUE (unsigned long )tmp == (unsigned long )((struct resource *)0) [L3322] return (-16); VAL [\result=-16, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={0:0}, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3469] RET, EXPR superio_enter() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, superio_enter()=-16, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3469] tmp = superio_enter() [L3470] ret = tmp VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, ret=-16, testmode=0, timeout=60, tmp=-16, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3471] COND TRUE ret != 0 [L3472] return (ret); VAL [\result=-16, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, ret=-16, testmode=0, timeout=60, tmp=-16, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3611] RET, EXPR wdt_start() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp=0, tmp___0=0, tmp___1=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_start()=-16, wdt_status={24:0}] [L3611] ret = wdt_start() [L3612] COND TRUE ret != 0 VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, ret=-16, testmode=0, timeout=60, tmp=0, tmp___0=0, tmp___1=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3613] FCALL clear_bit(3L, (unsigned long volatile *)(& wdt_status)) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, ret=-16, testmode=0, timeout=60, tmp=0, tmp___0=0, tmp___1=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3614] FCALL clear_bit(0L, (unsigned long volatile *)(& wdt_status)) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, ret=-16, testmode=0, timeout=60, tmp=0, tmp___0=0, tmp___1=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3615] FCALL clear_bit(1L, (unsigned long volatile *)(& wdt_status)) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, ret=-16, testmode=0, timeout=60, tmp=0, tmp___0=0, tmp___1=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3616] return (ret); VAL [\result=-16, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, file={-55340232221128654849:0}, file={-55340232221128654849:0}, gpact=0, ident={25:0}, inode={18446744073709551617:0}, inode={18446744073709551617:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, ret=-16, testmode=0, timeout=60, tmp=0, tmp___0=0, tmp___1=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4264] RET, EXPR wdt_open(wdt_fops_group1, wdt_fops_group2) [L4264] ldv_retval_1 = wdt_open(wdt_fops_group1, wdt_fops_group2) [L4265] COND FALSE !(ldv_retval_1 == 0) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, tmp___3=2, tmp___5=1, tmp___6=3, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4176] tmp___3 = __VERIFIER_nondet_int() [L4178] case 0: [L4196] case 1: VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, tmp___3=1, tmp___5=1, tmp___6=3, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4197] COND TRUE ldv_state_variable_0 != 0 [L4198] tmp___5 = __VERIFIER_nondet_int() [L4200] case 0: VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, tmp___3=1, tmp___5=0, tmp___6=3, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4201] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4202] CALL it87_wdt_exit() [L4073] int tmp ; [L4074] int tmp___0 ; [L4075] int tmp___1 ; [L4076] int tmp___2 ; [L4077] int tmp___3 ; VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4079] CALL, EXPR superio_enter() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3318] struct resource *tmp ; VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3320] CALL, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) VAL [\old(arg1)=46, \old(arg2)=2, \old(arg4)=4194304, __this_module={38:-37}, arg0={36893488147419103257:36893488147419103259}, arg3={4:0}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4453] CALL, EXPR ldv_malloc(sizeof(struct resource)) [L3188] void *p ; [L3189] void *tmp ; [L3190] int tmp___0 ; [L3192] tmp___0 = __VERIFIER_nondet_int() [L3193] COND TRUE tmp___0 != 0 [L3194] return ((void *)0); VAL [\old(size)=56, \result={0:0}, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, size=56, testmode=0, timeout=60, tmp___0=1, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4453] RET, EXPR ldv_malloc(sizeof(struct resource)) [L4453] return ldv_malloc(sizeof(struct resource)); [L3320] RET, EXPR __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) VAL [__request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304)={0:0}, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3320] tmp = __request_region(& ioport_resource, 46ULL, 2ULL, "IT87 WDT", 4194304) [L3321] COND TRUE (unsigned long )tmp == (unsigned long )((struct resource *)0) [L3322] return (-16); VAL [\result=-16, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={0:0}, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4079] RET, EXPR superio_enter() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, superio_enter()=-16, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4079] tmp___1 = superio_enter() [L4080] COND FALSE !(tmp___1 == 0) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp___1=-16, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4104] CALL ldv_misc_deregister_8(& wdt_miscdev) [L4324] ldv_func_ret_type___0 ldv_func_res ; [L4325] int tmp ; [L4327] CALL, EXPR misc_deregister(misc) [L4464] return __VERIFIER_nondet_int(); [L4327] RET, EXPR misc_deregister(misc) [L4327] tmp = misc_deregister(misc) [L4328] ldv_func_res = tmp [L4329] ldv_state_variable_2 = 0 [L4330] return (ldv_func_res); VAL [\result=31, __this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, ldv_func_res=31, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, max_units=65535, misc={27:0}, misc={27:0}, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp=31, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4104] RET ldv_misc_deregister_8(& wdt_miscdev) [L4105] CALL unregister_reboot_notifier(& wdt_notifier) VAL [__this_module={38:-37}, arg0={28:0}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4484] return __VERIFIER_nondet_int(); [L4105] RET unregister_reboot_notifier(& wdt_notifier) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp___1=-16, unregister_reboot_notifier(& wdt_notifier)=0, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4106] CALL, EXPR constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status)) VAL [\old(nr)=4, __this_module={38:-37}, addr={24:0}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L3151] EXPR addr + (unsigned long )(nr >> 6) [L3151] return ((int )((unsigned long )*(addr + (unsigned long )(nr >> 6)) >> ((int )nr & 63)) & 1); [L4106] RET, EXPR constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status)) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status))=-3, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp___1=-16, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4106] tmp___3 = constant_test_bit(4L, (unsigned long const volatile *)(& wdt_status)) [L4107] COND TRUE tmp___3 != 0 VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp___1=-16, tmp___3=-3, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4108] FCALL __release_region(& ioport_resource, (resource_size_t )base, 1ULL) VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp___1=-16, tmp___3=-3, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4202] RET it87_wdt_exit() [L4203] ldv_state_variable_0 = 2 VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldvarg0={18446744073709551618:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103243:0}, ldvarg3={36893488147419103237:0}, ldvarg4={36893488147419103236:0}, ldvarg5={36893488147419103235:0}, ldvarg6={36893488147419103240:0}, ldvarg7={-55340232221128654847:0}, ldvarg8={36893488147419103241:0}, ldvarg9={36893488147419103233:0}, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, tmp___1={-55340232221128654847:0}, tmp___2={36893488147419103233:0}, tmp___3=1, tmp___5=0, tmp___6=3, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4293] CALL ldv_check_final_state() [L4436] COND TRUE ldv_module_refcounter != 1 VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4437] CALL ldv_error() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] [L4338] reach_error() VAL [__this_module={38:-37}, base=0, chip_type=34592, ciract=0, exclusive=1, gpact=0, ident={25:0}, ioport_resource={36893488147419103257:36893488147419103259}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_retval_1=-16, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, max_units=65535, nocir=0, nogameport=0, nowayout=1, ref_cnt=0, testmode=0, timeout=60, wdt_fops={26:0}, wdt_fops_group1={18446744073709551617:0}, wdt_fops_group2={-55340232221128654849:0}, wdt_miscdev={27:0}, wdt_notifier={28:0}, wdt_status={24:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 571 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 84.3s, OverallIterations: 21, TraceHistogramMax: 40, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, AutomataDifference: 40.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13389 SdHoareTripleChecker+Valid, 34.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12219 mSDsluCounter, 78096 SdHoareTripleChecker+Invalid, 29.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59722 mSDsCounter, 11305 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17571 IncrementalHoareTripleChecker+Invalid, 28876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11305 mSolverCounterUnsat, 18374 mSDtfsCounter, 17571 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9201 GetRequests, 8910 SyntacticMatches, 0 SemanticMatches, 291 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1125 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2983occurred in iteration=20, InterpolantAutomatonStates: 181, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 20 MinimizatonAttempts, 4740 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 7.6s SatisfiabilityAnalysisTime, 25.7s InterpolantComputationTime, 13322 NumberOfCodeBlocks, 13322 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 14254 ConstructedInterpolants, 0 QuantifiedInterpolants, 20519 SizeOfPredicates, 26 NumberOfNonLiveVariables, 25629 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 34 InterpolantComputations, 17 PerfectInterpolantSequences, 31195/31965 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 07:31:34,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF --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 fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:31:36,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:31:36,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:31:36,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:31:36,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:31:36,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:31:36,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:31:36,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:31:36,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:31:36,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:31:36,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:31:36,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:31:36,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:31:36,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:31:36,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:31:36,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:31:36,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:31:36,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:31:36,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:31:36,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:31:36,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:31:36,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:31:36,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:31:36,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:31:36,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:31:36,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:31:36,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:31:36,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:31:36,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:31:36,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:31:36,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:31:36,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:31:36,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:31:36,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:31:36,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:31:36,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:31:36,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:31:36,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:31:36,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:31:36,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:31:37,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:31:37,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-20 07:31:37,051 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:31:37,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:31:37,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:31:37,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:31:37,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:31:37,053 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:31:37,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:31:37,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:31:37,055 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:31:37,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:31:37,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:31:37,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:31:37,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:31:37,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:31:37,056 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 07:31:37,056 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:31:37,057 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:31:37,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:31:37,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:31:37,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:31:37,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:31:37,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:31:37,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:31:37,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:31:37,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:31:37,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:31:37,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:31:37,060 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:31:37,060 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:31:37,060 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:31:37,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:31:37,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:31:37,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:31:37,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:31:37,062 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651 [2021-11-20 07:31:37,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:31:37,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:31:37,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:31:37,513 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:31:37,514 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:31:37,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2021-11-20 07:31:37,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/data/e2d8c7637/56dd050b1fcf4ba485a4b2ab01125a70/FLAG6f8d7452d [2021-11-20 07:31:38,768 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:31:38,769 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2021-11-20 07:31:38,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/data/e2d8c7637/56dd050b1fcf4ba485a4b2ab01125a70/FLAG6f8d7452d [2021-11-20 07:31:39,079 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/data/e2d8c7637/56dd050b1fcf4ba485a4b2ab01125a70 [2021-11-20 07:31:39,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:31:39,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:31:39,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:31:39,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:31:39,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:31:39,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:31:39" (1/1) ... [2021-11-20 07:31:39,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3777bc7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:39, skipping insertion in model container [2021-11-20 07:31:39,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:31:39" (1/1) ... [2021-11-20 07:31:39,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:31:39,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:31:40,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2021-11-20 07:31:40,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:31:40,572 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-20 07:31:40,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:31:40,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2021-11-20 07:31:40,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:31:40,939 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:31:41,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2021-11-20 07:31:41,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:31:41,188 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:31:41,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41 WrapperNode [2021-11-20 07:31:41,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:31:41,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:31:41,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:31:41,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:31:41,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41" (1/1) ... [2021-11-20 07:31:41,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41" (1/1) ... [2021-11-20 07:31:41,364 INFO L137 Inliner]: procedures = 105, calls = 374, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1097 [2021-11-20 07:31:41,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:31:41,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:31:41,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:31:41,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:31:41,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41" (1/1) ... [2021-11-20 07:31:41,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41" (1/1) ... [2021-11-20 07:31:41,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41" (1/1) ... [2021-11-20 07:31:41,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41" (1/1) ... [2021-11-20 07:31:41,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41" (1/1) ... [2021-11-20 07:31:41,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41" (1/1) ... [2021-11-20 07:31:41,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41" (1/1) ... [2021-11-20 07:31:41,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:31:41,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:31:41,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:31:41,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:31:41,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41" (1/1) ... [2021-11-20 07:31:41,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:31:41,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:31:41,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:31:41,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:31:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop [2021-11-20 07:31:41,650 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop [2021-11-20 07:31:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write [2021-11-20 07:31:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write [2021-11-20 07:31:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout [2021-11-20 07:31:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout [2021-11-20 07:31:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-20 07:31:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 07:31:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 07:31:41,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 07:31:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 07:31:41,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 07:31:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time [2021-11-20 07:31:41,653 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time [2021-11-20 07:31:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2021-11-20 07:31:41,654 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2021-11-20 07:31:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 07:31:41,654 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 07:31:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2021-11-20 07:31:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2021-11-20 07:31:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-20 07:31:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-20 07:31:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 07:31:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 07:31:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2021-11-20 07:31:41,656 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2021-11-20 07:31:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-20 07:31:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-20 07:31:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 07:31:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 07:31:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2021-11-20 07:31:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2021-11-20 07:31:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 07:31:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 07:31:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 07:31:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 07:31:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive [2021-11-20 07:31:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive [2021-11-20 07:31:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2021-11-20 07:31:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2021-11-20 07:31:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2021-11-20 07:31:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2021-11-20 07:31:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:31:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 07:31:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 07:31:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 07:31:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 07:31:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:31:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2021-11-20 07:31:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2021-11-20 07:31:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw [2021-11-20 07:31:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw [2021-11-20 07:31:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:31:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:31:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:31:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-20 07:31:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:31:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 07:31:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:31:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-20 07:31:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 07:31:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 07:31:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-20 07:31:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-20 07:31:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-20 07:31:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start [2021-11-20 07:31:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start [2021-11-20 07:31:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-20 07:31:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-20 07:31:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-20 07:31:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-20 07:31:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 07:31:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 07:31:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-20 07:31:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-20 07:31:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-20 07:31:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-20 07:31:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:31:41,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:31:42,138 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:31:42,141 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:31:42,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:31:47,484 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:31:47,524 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:31:47,525 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:31:47,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:31:47 BoogieIcfgContainer [2021-11-20 07:31:47,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:31:47,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:31:47,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:31:47,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:31:47,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:31:39" (1/3) ... [2021-11-20 07:31:47,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb85471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:31:47, skipping insertion in model container [2021-11-20 07:31:47,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:41" (2/3) ... [2021-11-20 07:31:47,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb85471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:31:47, skipping insertion in model container [2021-11-20 07:31:47,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:31:47" (3/3) ... [2021-11-20 07:31:47,546 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2021-11-20 07:31:47,554 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:31:47,554 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:31:47,639 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:31:47,651 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:31:47,652 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:31:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 570 states, 358 states have (on average 1.4078212290502794) internal successors, (504), 390 states have internal predecessors, (504), 181 states have call successors, (181), 30 states have call predecessors, (181), 29 states have return successors, (177), 172 states have call predecessors, (177), 177 states have call successors, (177) [2021-11-20 07:31:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-20 07:31:47,771 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:47,773 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:31:47,774 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:47,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:47,781 INFO L85 PathProgramCache]: Analyzing trace with hash 645771615, now seen corresponding path program 1 times [2021-11-20 07:31:47,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:31:47,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [443481563] [2021-11-20 07:31:47,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:47,804 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:31:47,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:31:47,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:31:47,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 07:31:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:48,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 07:31:48,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:31:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-20 07:31:49,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:31:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-20 07:31:49,848 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:31:49,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [443481563] [2021-11-20 07:31:49,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [443481563] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:31:49,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:31:49,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-20 07:31:49,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385603396] [2021-11-20 07:31:49,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:49,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:31:49,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:31:49,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:31:49,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:31:49,899 INFO L87 Difference]: Start difference. First operand has 570 states, 358 states have (on average 1.4078212290502794) internal successors, (504), 390 states have internal predecessors, (504), 181 states have call successors, (181), 30 states have call predecessors, (181), 29 states have return successors, (177), 172 states have call predecessors, (177), 177 states have call successors, (177) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:31:50,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:50,020 INFO L93 Difference]: Finished difference Result 1135 states and 1749 transitions. [2021-11-20 07:31:50,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:31:50,025 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 137 [2021-11-20 07:31:50,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:50,059 INFO L225 Difference]: With dead ends: 1135 [2021-11-20 07:31:50,071 INFO L226 Difference]: Without dead ends: 559 [2021-11-20 07:31:50,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:31:50,094 INFO L933 BasicCegarLoop]: 858 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:50,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:31:50,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2021-11-20 07:31:50,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2021-11-20 07:31:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 353 states have (on average 1.3937677053824362) internal successors, (492), 379 states have internal predecessors, (492), 177 states have call successors, (177), 29 states have call predecessors, (177), 28 states have return successors, (176), 171 states have call predecessors, (176), 176 states have call successors, (176) [2021-11-20 07:31:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 845 transitions. [2021-11-20 07:31:50,258 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 845 transitions. Word has length 137 [2021-11-20 07:31:50,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:50,259 INFO L470 AbstractCegarLoop]: Abstraction has 559 states and 845 transitions. [2021-11-20 07:31:50,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:31:50,260 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 845 transitions. [2021-11-20 07:31:50,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-20 07:31:50,266 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:50,267 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:31:50,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:31:50,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:31:50,492 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:50,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:50,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1599788631, now seen corresponding path program 1 times [2021-11-20 07:31:50,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:31:50,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856599448] [2021-11-20 07:31:50,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:50,496 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:31:50,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:31:50,499 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:31:50,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 07:31:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:51,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:31:51,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:31:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-11-20 07:31:51,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:31:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-11-20 07:31:52,606 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:31:52,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856599448] [2021-11-20 07:31:52,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856599448] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:31:52,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:31:52,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-11-20 07:31:52,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897063872] [2021-11-20 07:31:52,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:52,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:31:52,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:31:52,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:31:52,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:31:52,610 INFO L87 Difference]: Start difference. First operand 559 states and 845 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:31:52,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:52,900 INFO L93 Difference]: Finished difference Result 1110 states and 1683 transitions. [2021-11-20 07:31:52,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:31:52,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2021-11-20 07:31:52,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:52,910 INFO L225 Difference]: With dead ends: 1110 [2021-11-20 07:31:52,911 INFO L226 Difference]: Without dead ends: 560 [2021-11-20 07:31:52,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:31:52,916 INFO L933 BasicCegarLoop]: 843 mSDtfsCounter, 3 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2516 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:52,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 2516 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:31:52,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-11-20 07:31:52,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-11-20 07:31:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 354 states have (on average 1.3926553672316384) internal successors, (493), 380 states have internal predecessors, (493), 177 states have call successors, (177), 29 states have call predecessors, (177), 28 states have return successors, (176), 171 states have call predecessors, (176), 176 states have call successors, (176) [2021-11-20 07:31:52,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 846 transitions. [2021-11-20 07:31:52,991 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 846 transitions. Word has length 137 [2021-11-20 07:31:52,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:52,994 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 846 transitions. [2021-11-20 07:31:52,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:31:52,994 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 846 transitions. [2021-11-20 07:31:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-20 07:31:52,999 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:52,999 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:31:53,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:31:53,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:31:53,207 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:53,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:53,208 INFO L85 PathProgramCache]: Analyzing trace with hash -101419779, now seen corresponding path program 1 times [2021-11-20 07:31:53,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:31:53,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163928454] [2021-11-20 07:31:53,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:53,210 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:31:53,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:31:53,221 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:31:53,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 07:31:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:53,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:31:53,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:31:54,658 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-20 07:31:54,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:31:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-20 07:31:55,495 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:31:55,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163928454] [2021-11-20 07:31:55,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163928454] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:31:55,496 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:31:55,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-20 07:31:55,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036707051] [2021-11-20 07:31:55,497 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:31:55,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:31:55,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:31:55,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:31:55,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:31:55,503 INFO L87 Difference]: Start difference. First operand 560 states and 846 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 07:31:56,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:56,118 INFO L93 Difference]: Finished difference Result 1121 states and 1701 transitions. [2021-11-20 07:31:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:31:56,119 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2021-11-20 07:31:56,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:56,127 INFO L225 Difference]: With dead ends: 1121 [2021-11-20 07:31:56,127 INFO L226 Difference]: Without dead ends: 570 [2021-11-20 07:31:56,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:31:56,133 INFO L933 BasicCegarLoop]: 841 mSDtfsCounter, 13 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3348 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:56,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 3348 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 07:31:56,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2021-11-20 07:31:56,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2021-11-20 07:31:56,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 363 states have (on average 1.3911845730027548) internal successors, (505), 389 states have internal predecessors, (505), 177 states have call successors, (177), 30 states have call predecessors, (177), 29 states have return successors, (176), 171 states have call predecessors, (176), 176 states have call successors, (176) [2021-11-20 07:31:56,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 858 transitions. [2021-11-20 07:31:56,181 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 858 transitions. Word has length 143 [2021-11-20 07:31:56,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:56,182 INFO L470 AbstractCegarLoop]: Abstraction has 570 states and 858 transitions. [2021-11-20 07:31:56,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 07:31:56,183 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 858 transitions. [2021-11-20 07:31:56,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-20 07:31:56,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:56,187 INFO L514 BasicCegarLoop]: trace histogram [20, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:31:56,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:31:56,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:31:56,402 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:56,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:56,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1556088169, now seen corresponding path program 2 times [2021-11-20 07:31:56,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:31:56,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479565701] [2021-11-20 07:31:56,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:31:56,404 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:31:56,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:31:56,407 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:31:56,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 07:31:56,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:31:56,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:31:56,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:31:56,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:31:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-11-20 07:31:57,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:31:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-11-20 07:31:58,120 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:31:58,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479565701] [2021-11-20 07:31:58,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479565701] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:31:58,120 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:31:58,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-20 07:31:58,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602286553] [2021-11-20 07:31:58,121 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:58,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 07:31:58,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:31:58,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 07:31:58,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:31:58,124 INFO L87 Difference]: Start difference. First operand 570 states and 858 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-20 07:32:00,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:32:01,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:32:01,050 INFO L93 Difference]: Finished difference Result 1131 states and 1708 transitions. [2021-11-20 07:32:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:32:01,052 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) Word has length 157 [2021-11-20 07:32:01,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:32:01,063 INFO L225 Difference]: With dead ends: 1131 [2021-11-20 07:32:01,064 INFO L226 Difference]: Without dead ends: 600 [2021-11-20 07:32:01,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:32:01,070 INFO L933 BasicCegarLoop]: 843 mSDtfsCounter, 69 mSDsluCounter, 4186 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 5029 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:32:01,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 5029 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 07:32:01,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2021-11-20 07:32:01,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 577. [2021-11-20 07:32:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 369 states have (on average 1.3848238482384825) internal successors, (511), 395 states have internal predecessors, (511), 177 states have call successors, (177), 30 states have call predecessors, (177), 30 states have return successors, (184), 172 states have call predecessors, (184), 176 states have call successors, (184) [2021-11-20 07:32:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 872 transitions. [2021-11-20 07:32:01,128 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 872 transitions. Word has length 157 [2021-11-20 07:32:01,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:32:01,130 INFO L470 AbstractCegarLoop]: Abstraction has 577 states and 872 transitions. [2021-11-20 07:32:01,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-20 07:32:01,131 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 872 transitions. [2021-11-20 07:32:01,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-20 07:32:01,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:01,137 INFO L514 BasicCegarLoop]: trace histogram [20, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:32:01,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:32:01,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:32:01,350 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:01,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:01,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1498829867, now seen corresponding path program 1 times [2021-11-20 07:32:01,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:01,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278356026] [2021-11-20 07:32:01,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:32:01,352 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:01,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:01,357 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:01,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 07:32:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:32:02,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 07:32:02,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:32:03,246 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 125 proven. 10 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-11-20 07:32:03,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:32:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-11-20 07:32:05,680 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:32:05,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278356026] [2021-11-20 07:32:05,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278356026] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:32:05,681 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:32:05,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-11-20 07:32:05,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258891392] [2021-11-20 07:32:05,682 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:32:05,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 07:32:05,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:32:05,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 07:32:05,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:32:05,685 INFO L87 Difference]: Start difference. First operand 577 states and 872 transitions. Second operand has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 07:32:07,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:32:07,685 INFO L93 Difference]: Finished difference Result 1160 states and 1761 transitions. [2021-11-20 07:32:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:32:07,686 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 157 [2021-11-20 07:32:07,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:32:07,693 INFO L225 Difference]: With dead ends: 1160 [2021-11-20 07:32:07,694 INFO L226 Difference]: Without dead ends: 589 [2021-11-20 07:32:07,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420 [2021-11-20 07:32:07,699 INFO L933 BasicCegarLoop]: 845 mSDtfsCounter, 54 mSDsluCounter, 4196 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 5041 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:32:07,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 5041 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 07:32:07,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2021-11-20 07:32:07,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 583. [2021-11-20 07:32:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 375 states have (on average 1.3813333333333333) internal successors, (518), 401 states have internal predecessors, (518), 177 states have call successors, (177), 30 states have call predecessors, (177), 30 states have return successors, (184), 172 states have call predecessors, (184), 176 states have call successors, (184) [2021-11-20 07:32:07,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 879 transitions. [2021-11-20 07:32:07,741 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 879 transitions. Word has length 157 [2021-11-20 07:32:07,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:32:07,742 INFO L470 AbstractCegarLoop]: Abstraction has 583 states and 879 transitions. [2021-11-20 07:32:07,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 07:32:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 879 transitions. [2021-11-20 07:32:07,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-20 07:32:07,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:07,747 INFO L514 BasicCegarLoop]: trace histogram [36, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:32:07,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:32:07,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:32:07,963 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:07,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:07,964 INFO L85 PathProgramCache]: Analyzing trace with hash -763751083, now seen corresponding path program 2 times [2021-11-20 07:32:07,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:07,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913255368] [2021-11-20 07:32:07,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:32:07,966 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:07,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:07,967 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:07,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 07:32:08,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:32:08,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:32:08,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:32:08,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:32:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2021-11-20 07:32:09,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:32:10,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2021-11-20 07:32:10,147 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:32:10,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913255368] [2021-11-20 07:32:10,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [913255368] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:32:10,147 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:32:10,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-20 07:32:10,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606065593] [2021-11-20 07:32:10,148 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:32:10,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:32:10,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:32:10,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:32:10,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:32:10,150 INFO L87 Difference]: Start difference. First operand 583 states and 879 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-20 07:32:10,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:32:10,229 INFO L93 Difference]: Finished difference Result 1121 states and 1700 transitions. [2021-11-20 07:32:10,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:32:10,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2021-11-20 07:32:10,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:32:10,242 INFO L225 Difference]: With dead ends: 1121 [2021-11-20 07:32:10,242 INFO L226 Difference]: Without dead ends: 1055 [2021-11-20 07:32:10,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:32:10,245 INFO L933 BasicCegarLoop]: 1074 mSDtfsCounter, 765 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:32:10,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [765 Valid, 1879 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:32:10,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2021-11-20 07:32:10,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055. [2021-11-20 07:32:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 682 states have (on average 1.3812316715542523) internal successors, (942), 726 states have internal predecessors, (942), 315 states have call successors, (315), 56 states have call predecessors, (315), 57 states have return successors, (328), 308 states have call predecessors, (328), 314 states have call successors, (328) [2021-11-20 07:32:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1585 transitions. [2021-11-20 07:32:10,345 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1585 transitions. Word has length 173 [2021-11-20 07:32:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:32:10,346 INFO L470 AbstractCegarLoop]: Abstraction has 1055 states and 1585 transitions. [2021-11-20 07:32:10,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-20 07:32:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1585 transitions. [2021-11-20 07:32:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-20 07:32:10,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:10,356 INFO L514 BasicCegarLoop]: trace histogram [36, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:32:10,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:32:10,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:32:10,578 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:10,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:10,579 INFO L85 PathProgramCache]: Analyzing trace with hash 876915675, now seen corresponding path program 1 times [2021-11-20 07:32:10,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:10,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354424114] [2021-11-20 07:32:10,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:32:10,581 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:10,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:10,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:10,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 07:32:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:32:11,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:32:11,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:32:12,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 537 proven. 3 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2021-11-20 07:32:12,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:32:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 60 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2021-11-20 07:32:14,050 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:32:14,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354424114] [2021-11-20 07:32:14,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354424114] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:32:14,051 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:32:14,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-20 07:32:14,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160825417] [2021-11-20 07:32:14,052 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:32:14,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:32:14,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:32:14,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:32:14,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:32:14,054 INFO L87 Difference]: Start difference. First operand 1055 states and 1585 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-20 07:32:14,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:32:14,779 INFO L93 Difference]: Finished difference Result 2100 states and 3155 transitions. [2021-11-20 07:32:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:32:14,781 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 224 [2021-11-20 07:32:14,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:32:14,792 INFO L225 Difference]: With dead ends: 2100 [2021-11-20 07:32:14,792 INFO L226 Difference]: Without dead ends: 1055 [2021-11-20 07:32:14,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:32:14,799 INFO L933 BasicCegarLoop]: 838 mSDtfsCounter, 29 mSDsluCounter, 2505 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 3343 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:32:14,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 3343 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 07:32:14,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2021-11-20 07:32:14,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055. [2021-11-20 07:32:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 682 states have (on average 1.3753665689149561) internal successors, (938), 726 states have internal predecessors, (938), 315 states have call successors, (315), 56 states have call predecessors, (315), 57 states have return successors, (328), 308 states have call predecessors, (328), 314 states have call successors, (328) [2021-11-20 07:32:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1581 transitions. [2021-11-20 07:32:14,872 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1581 transitions. Word has length 224 [2021-11-20 07:32:14,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:32:14,872 INFO L470 AbstractCegarLoop]: Abstraction has 1055 states and 1581 transitions. [2021-11-20 07:32:14,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-20 07:32:14,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1581 transitions. [2021-11-20 07:32:14,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-20 07:32:14,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:14,881 INFO L514 BasicCegarLoop]: trace histogram [40, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:32:14,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:32:15,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:32:15,094 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:15,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:15,095 INFO L85 PathProgramCache]: Analyzing trace with hash -301483749, now seen corresponding path program 2 times [2021-11-20 07:32:15,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:15,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1934637985] [2021-11-20 07:32:15,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:32:15,097 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:15,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:15,099 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:15,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 07:32:19,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:32:19,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:32:19,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:32:19,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:32:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2021-11-20 07:32:19,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:32:20,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2021-11-20 07:32:20,537 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:32:20,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1934637985] [2021-11-20 07:32:20,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1934637985] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:32:20,537 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:32:20,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 07:32:20,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042771669] [2021-11-20 07:32:20,538 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:32:20,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:32:20,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:32:20,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:32:20,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:32:20,540 INFO L87 Difference]: Start difference. First operand 1055 states and 1581 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 07:32:20,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:32:20,844 INFO L93 Difference]: Finished difference Result 2507 states and 3740 transitions. [2021-11-20 07:32:20,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:32:20,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 228 [2021-11-20 07:32:20,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:32:20,866 INFO L225 Difference]: With dead ends: 2507 [2021-11-20 07:32:20,866 INFO L226 Difference]: Without dead ends: 1497 [2021-11-20 07:32:20,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:32:20,874 INFO L933 BasicCegarLoop]: 960 mSDtfsCounter, 407 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:32:20,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 1726 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:32:20,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2021-11-20 07:32:20,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1478. [2021-11-20 07:32:20,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 930 states have (on average 1.3634408602150538) internal successors, (1268), 995 states have internal predecessors, (1268), 453 states have call successors, (453), 91 states have call predecessors, (453), 94 states have return successors, (472), 441 states have call predecessors, (472), 452 states have call successors, (472) [2021-11-20 07:32:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2193 transitions. [2021-11-20 07:32:20,991 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2193 transitions. Word has length 228 [2021-11-20 07:32:20,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:32:20,992 INFO L470 AbstractCegarLoop]: Abstraction has 1478 states and 2193 transitions. [2021-11-20 07:32:20,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 07:32:20,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2193 transitions. [2021-11-20 07:32:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-11-20 07:32:21,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:21,013 INFO L514 BasicCegarLoop]: trace histogram [40, 17, 17, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:32:21,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:32:21,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:32:21,231 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:21,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:21,232 INFO L85 PathProgramCache]: Analyzing trace with hash -753061966, now seen corresponding path program 1 times [2021-11-20 07:32:21,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:21,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813511225] [2021-11-20 07:32:21,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:32:21,234 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:21,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:21,235 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:21,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-20 07:32:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:32:23,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 07:32:23,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:32:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 1673 trivial. 0 not checked. [2021-11-20 07:32:24,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:32:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 1791 trivial. 0 not checked. [2021-11-20 07:32:26,691 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:32:26,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1813511225] [2021-11-20 07:32:26,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1813511225] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:32:26,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:32:26,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-11-20 07:32:26,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335735072] [2021-11-20 07:32:26,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:32:26,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:32:26,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:32:26,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:32:26,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:32:26,694 INFO L87 Difference]: Start difference. First operand 1478 states and 2193 transitions. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-20 07:32:26,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:32:26,956 INFO L93 Difference]: Finished difference Result 2929 states and 4424 transitions. [2021-11-20 07:32:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:32:26,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) Word has length 439 [2021-11-20 07:32:26,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:32:26,974 INFO L225 Difference]: With dead ends: 2929 [2021-11-20 07:32:26,974 INFO L226 Difference]: Without dead ends: 1506 [2021-11-20 07:32:26,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 868 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:32:26,984 INFO L933 BasicCegarLoop]: 845 mSDtfsCounter, 4 mSDsluCounter, 3375 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4220 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:32:26,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 4220 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:32:26,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2021-11-20 07:32:27,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1498. [2021-11-20 07:32:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1498 states, 946 states have (on average 1.357293868921776) internal successors, (1284), 1011 states have internal predecessors, (1284), 453 states have call successors, (453), 91 states have call predecessors, (453), 98 states have return successors, (484), 445 states have call predecessors, (484), 452 states have call successors, (484) [2021-11-20 07:32:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 2221 transitions. [2021-11-20 07:32:27,101 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 2221 transitions. Word has length 439 [2021-11-20 07:32:27,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:32:27,102 INFO L470 AbstractCegarLoop]: Abstraction has 1498 states and 2221 transitions. [2021-11-20 07:32:27,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-20 07:32:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2221 transitions. [2021-11-20 07:32:27,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2021-11-20 07:32:27,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:27,123 INFO L514 BasicCegarLoop]: trace histogram [40, 17, 17, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:32:27,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:32:27,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:32:27,347 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:27,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:27,348 INFO L85 PathProgramCache]: Analyzing trace with hash -2105691278, now seen corresponding path program 1 times [2021-11-20 07:32:27,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:27,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597822188] [2021-11-20 07:32:27,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:32:27,350 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:27,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:27,350 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:27,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-20 07:32:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:32:29,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-20 07:32:29,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:32:30,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1877 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2021-11-20 07:32:30,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:32:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1877 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 1841 trivial. 0 not checked. [2021-11-20 07:32:33,156 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:32:33,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597822188] [2021-11-20 07:32:33,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597822188] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:32:33,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:32:33,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-11-20 07:32:33,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184862163] [2021-11-20 07:32:33,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:32:33,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:32:33,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:32:33,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:32:33,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:32:33,159 INFO L87 Difference]: Start difference. First operand 1498 states and 2221 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 6 states have internal predecessors, (163), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (56), 4 states have call predecessors, (56), 3 states have call successors, (56) [2021-11-20 07:32:33,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:32:33,505 INFO L93 Difference]: Finished difference Result 2941 states and 4422 transitions. [2021-11-20 07:32:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:32:33,507 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 6 states have internal predecessors, (163), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (56), 4 states have call predecessors, (56), 3 states have call successors, (56) Word has length 451 [2021-11-20 07:32:33,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:32:33,524 INFO L225 Difference]: With dead ends: 2941 [2021-11-20 07:32:33,525 INFO L226 Difference]: Without dead ends: 1498 [2021-11-20 07:32:33,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 902 GetRequests, 890 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:32:33,536 INFO L933 BasicCegarLoop]: 855 mSDtfsCounter, 8 mSDsluCounter, 4254 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 5109 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:32:33,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 5109 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:32:33,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2021-11-20 07:32:33,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1498. [2021-11-20 07:32:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1498 states, 946 states have (on average 1.3530655391120507) internal successors, (1280), 1011 states have internal predecessors, (1280), 453 states have call successors, (453), 91 states have call predecessors, (453), 98 states have return successors, (484), 445 states have call predecessors, (484), 452 states have call successors, (484) [2021-11-20 07:32:33,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 2217 transitions. [2021-11-20 07:32:33,666 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 2217 transitions. Word has length 451 [2021-11-20 07:32:33,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:32:33,667 INFO L470 AbstractCegarLoop]: Abstraction has 1498 states and 2217 transitions. [2021-11-20 07:32:33,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 6 states have internal predecessors, (163), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (56), 4 states have call predecessors, (56), 3 states have call successors, (56) [2021-11-20 07:32:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2217 transitions. [2021-11-20 07:32:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2021-11-20 07:32:33,686 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:33,686 INFO L514 BasicCegarLoop]: trace histogram [40, 17, 17, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:32:33,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:32:33,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:32:33,905 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:33,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:33,906 INFO L85 PathProgramCache]: Analyzing trace with hash 902033432, now seen corresponding path program 2 times [2021-11-20 07:32:33,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:33,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369200675] [2021-11-20 07:32:33,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:32:33,908 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:33,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:33,910 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:33,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-20 07:32:37,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:32:37,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:32:38,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1496 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:32:38,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:32:39,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 1444 trivial. 0 not checked. [2021-11-20 07:32:39,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:32:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 1828 trivial. 0 not checked. [2021-11-20 07:32:40,860 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:32:40,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369200675] [2021-11-20 07:32:40,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369200675] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:32:40,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:32:40,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-20 07:32:40,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960737919] [2021-11-20 07:32:40,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:32:40,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:32:40,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:32:40,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:32:40,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:32:40,863 INFO L87 Difference]: Start difference. First operand 1498 states and 2217 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-20 07:32:41,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:32:41,105 INFO L93 Difference]: Finished difference Result 2955 states and 4386 transitions. [2021-11-20 07:32:41,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:32:41,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) Word has length 445 [2021-11-20 07:32:41,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:32:41,163 INFO L225 Difference]: With dead ends: 2955 [2021-11-20 07:32:41,163 INFO L226 Difference]: Without dead ends: 1508 [2021-11-20 07:32:41,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:32:41,173 INFO L933 BasicCegarLoop]: 850 mSDtfsCounter, 6 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3379 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:32:41,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 3379 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:32:41,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2021-11-20 07:32:41,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1500. [2021-11-20 07:32:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 948 states have (on average 1.3523206751054853) internal successors, (1282), 1012 states have internal predecessors, (1282), 453 states have call successors, (453), 91 states have call predecessors, (453), 98 states have return successors, (482), 446 states have call predecessors, (482), 452 states have call successors, (482) [2021-11-20 07:32:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2217 transitions. [2021-11-20 07:32:41,282 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2217 transitions. Word has length 445 [2021-11-20 07:32:41,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:32:41,284 INFO L470 AbstractCegarLoop]: Abstraction has 1500 states and 2217 transitions. [2021-11-20 07:32:41,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-20 07:32:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2217 transitions. [2021-11-20 07:32:41,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-11-20 07:32:41,296 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:41,296 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:32:41,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:32:41,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:32:41,510 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:41,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:41,511 INFO L85 PathProgramCache]: Analyzing trace with hash -526721385, now seen corresponding path program 3 times [2021-11-20 07:32:41,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:41,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953253250] [2021-11-20 07:32:41,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 07:32:41,514 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:41,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:41,515 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:41,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-20 07:32:44,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 07:32:44,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:32:44,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:32:44,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:32:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 2033 trivial. 0 not checked. [2021-11-20 07:32:45,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:32:46,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2021-11-20 07:32:46,950 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:32:46,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [953253250] [2021-11-20 07:32:46,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [953253250] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:32:46,950 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:32:46,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 07:32:46,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931955925] [2021-11-20 07:32:46,951 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:32:46,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:32:46,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:32:46,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:32:46,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:32:46,954 INFO L87 Difference]: Start difference. First operand 1500 states and 2217 transitions. Second operand has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2021-11-20 07:32:49,004 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:32:50,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:32:50,013 INFO L93 Difference]: Finished difference Result 2785 states and 4047 transitions. [2021-11-20 07:32:50,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:32:50,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) Word has length 468 [2021-11-20 07:32:50,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:32:50,027 INFO L225 Difference]: With dead ends: 2785 [2021-11-20 07:32:50,028 INFO L226 Difference]: Without dead ends: 1168 [2021-11-20 07:32:50,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 934 GetRequests, 932 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:32:50,038 INFO L933 BasicCegarLoop]: 1019 mSDtfsCounter, 937 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 199 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:32:50,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [937 Valid, 1405 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-20 07:32:50,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2021-11-20 07:32:50,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1162. [2021-11-20 07:32:50,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 753 states have (on average 1.3253652058432934) internal successors, (998), 795 states have internal predecessors, (998), 320 states have call successors, (320), 84 states have call predecessors, (320), 88 states have return successors, (326), 315 states have call predecessors, (326), 319 states have call successors, (326) [2021-11-20 07:32:50,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1644 transitions. [2021-11-20 07:32:50,123 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1644 transitions. Word has length 468 [2021-11-20 07:32:50,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:32:50,126 INFO L470 AbstractCegarLoop]: Abstraction has 1162 states and 1644 transitions. [2021-11-20 07:32:50,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2021-11-20 07:32:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1644 transitions. [2021-11-20 07:32:50,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-11-20 07:32:50,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:50,139 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:32:50,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:32:50,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:32:50,354 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:50,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:50,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2078378644, now seen corresponding path program 1 times [2021-11-20 07:32:50,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:50,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856493808] [2021-11-20 07:32:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:32:50,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:50,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:50,358 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:50,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-20 07:32:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:32:52,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 1580 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:32:52,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:32:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 305 proven. 32 refuted. 0 times theorem prover too weak. 1768 trivial. 0 not checked. [2021-11-20 07:32:54,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:32:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2097 trivial. 0 not checked. [2021-11-20 07:32:56,282 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:32:56,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856493808] [2021-11-20 07:32:56,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856493808] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:32:56,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:32:56,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-11-20 07:32:56,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271952409] [2021-11-20 07:32:56,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:32:56,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:32:56,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:32:56,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:32:56,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:32:56,287 INFO L87 Difference]: Start difference. First operand 1162 states and 1644 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 4 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2021-11-20 07:32:57,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:32:57,241 INFO L93 Difference]: Finished difference Result 2681 states and 3911 transitions. [2021-11-20 07:32:57,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:32:57,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 4 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) Word has length 483 [2021-11-20 07:32:57,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:32:57,261 INFO L225 Difference]: With dead ends: 2681 [2021-11-20 07:32:57,262 INFO L226 Difference]: Without dead ends: 1696 [2021-11-20 07:32:57,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 965 GetRequests, 961 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:32:57,268 INFO L933 BasicCegarLoop]: 1163 mSDtfsCounter, 1175 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:32:57,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1175 Valid, 1994 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-20 07:32:57,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2021-11-20 07:32:57,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1169. [2021-11-20 07:32:57,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 756 states have (on average 1.3240740740740742) internal successors, (1001), 798 states have internal predecessors, (1001), 324 states have call successors, (324), 84 states have call predecessors, (324), 88 states have return successors, (330), 319 states have call predecessors, (330), 323 states have call successors, (330) [2021-11-20 07:32:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1655 transitions. [2021-11-20 07:32:57,391 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1655 transitions. Word has length 483 [2021-11-20 07:32:57,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:32:57,392 INFO L470 AbstractCegarLoop]: Abstraction has 1169 states and 1655 transitions. [2021-11-20 07:32:57,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 4 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2021-11-20 07:32:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1655 transitions. [2021-11-20 07:32:57,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2021-11-20 07:32:57,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:57,405 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:32:57,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:32:57,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:32:57,619 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:57,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:57,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1414469642, now seen corresponding path program 1 times [2021-11-20 07:32:57,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:57,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42464050] [2021-11-20 07:32:57,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:32:57,623 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:57,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:57,625 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:57,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-20 07:32:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:32:59,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 1597 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:32:59,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:33:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2021-11-20 07:33:01,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:33:02,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2097 trivial. 0 not checked. [2021-11-20 07:33:02,702 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:33:02,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42464050] [2021-11-20 07:33:02,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [42464050] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:33:02,703 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:33:02,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 07:33:02,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989541092] [2021-11-20 07:33:02,705 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:33:02,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:33:02,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:33:02,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:33:02,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:02,710 INFO L87 Difference]: Start difference. First operand 1169 states and 1655 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2021-11-20 07:33:02,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:33:02,940 INFO L93 Difference]: Finished difference Result 2226 states and 3166 transitions. [2021-11-20 07:33:02,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:33:02,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 496 [2021-11-20 07:33:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:33:02,953 INFO L225 Difference]: With dead ends: 2226 [2021-11-20 07:33:02,954 INFO L226 Difference]: Without dead ends: 1175 [2021-11-20 07:33:02,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 989 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:02,960 INFO L933 BasicCegarLoop]: 824 mSDtfsCounter, 306 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:33:02,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 1231 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:33:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2021-11-20 07:33:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1173. [2021-11-20 07:33:03,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 760 states have (on average 1.3210526315789475) internal successors, (1004), 802 states have internal predecessors, (1004), 324 states have call successors, (324), 84 states have call predecessors, (324), 88 states have return successors, (330), 319 states have call predecessors, (330), 323 states have call successors, (330) [2021-11-20 07:33:03,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1658 transitions. [2021-11-20 07:33:03,101 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1658 transitions. Word has length 496 [2021-11-20 07:33:03,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:33:03,102 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 1658 transitions. [2021-11-20 07:33:03,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2021-11-20 07:33:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1658 transitions. [2021-11-20 07:33:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2021-11-20 07:33:03,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:33:03,114 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:33:03,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:33:03,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:33:03,331 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:33:03,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:33:03,332 INFO L85 PathProgramCache]: Analyzing trace with hash 714403272, now seen corresponding path program 1 times [2021-11-20 07:33:03,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:33:03,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712089439] [2021-11-20 07:33:03,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:33:03,334 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:33:03,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:33:03,335 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:33:03,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-20 07:33:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:33:05,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1597 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:33:05,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:33:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2021-11-20 07:33:08,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:33:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2097 trivial. 0 not checked. [2021-11-20 07:33:10,224 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:33:10,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [712089439] [2021-11-20 07:33:10,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [712089439] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:33:10,224 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:33:10,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-20 07:33:10,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035883064] [2021-11-20 07:33:10,225 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:33:10,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:33:10,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:33:10,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:33:10,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:10,228 INFO L87 Difference]: Start difference. First operand 1173 states and 1658 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (109), 3 states have call predecessors, (109), 3 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108) [2021-11-20 07:33:10,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:33:10,298 INFO L93 Difference]: Finished difference Result 2092 states and 2980 transitions. [2021-11-20 07:33:10,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:33:10,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (109), 3 states have call predecessors, (109), 3 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108) Word has length 496 [2021-11-20 07:33:10,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:33:10,311 INFO L225 Difference]: With dead ends: 2092 [2021-11-20 07:33:10,311 INFO L226 Difference]: Without dead ends: 1173 [2021-11-20 07:33:10,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 989 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:10,318 INFO L933 BasicCegarLoop]: 794 mSDtfsCounter, 633 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:33:10,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [633 Valid, 794 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:33:10,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2021-11-20 07:33:10,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1173. [2021-11-20 07:33:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 760 states have (on average 1.319736842105263) internal successors, (1003), 802 states have internal predecessors, (1003), 324 states have call successors, (324), 84 states have call predecessors, (324), 88 states have return successors, (330), 319 states have call predecessors, (330), 323 states have call successors, (330) [2021-11-20 07:33:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1657 transitions. [2021-11-20 07:33:10,409 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1657 transitions. Word has length 496 [2021-11-20 07:33:10,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:33:10,410 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 1657 transitions. [2021-11-20 07:33:10,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (109), 3 states have call predecessors, (109), 3 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108) [2021-11-20 07:33:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1657 transitions. [2021-11-20 07:33:10,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2021-11-20 07:33:10,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:33:10,422 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:33:10,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:33:10,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:33:10,647 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:33:10,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:33:10,648 INFO L85 PathProgramCache]: Analyzing trace with hash 129268365, now seen corresponding path program 1 times [2021-11-20 07:33:10,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:33:10,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1518835931] [2021-11-20 07:33:10,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:33:10,650 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:33:10,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:33:10,651 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:33:10,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-20 07:33:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:33:12,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:33:12,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:33:16,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 619 proven. 0 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked. [2021-11-20 07:33:16,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:33:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2103 trivial. 0 not checked. [2021-11-20 07:33:19,347 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:33:19,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1518835931] [2021-11-20 07:33:19,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1518835931] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:33:19,348 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:33:19,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-20 07:33:19,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694055386] [2021-11-20 07:33:19,349 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:33:19,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:33:19,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:33:19,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:33:19,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:33:19,353 INFO L87 Difference]: Start difference. First operand 1173 states and 1657 transitions. Second operand has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 6 states have call successors, (117), 4 states have call predecessors, (117), 4 states have return successors, (116), 6 states have call predecessors, (116), 6 states have call successors, (116) [2021-11-20 07:33:21,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:33:27,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:33:27,351 INFO L93 Difference]: Finished difference Result 4994 states and 7142 transitions. [2021-11-20 07:33:27,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:33:27,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 6 states have call successors, (117), 4 states have call predecessors, (117), 4 states have return successors, (116), 6 states have call predecessors, (116), 6 states have call successors, (116) Word has length 502 [2021-11-20 07:33:27,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:33:27,390 INFO L225 Difference]: With dead ends: 4994 [2021-11-20 07:33:27,390 INFO L226 Difference]: Without dead ends: 4068 [2021-11-20 07:33:27,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1004 GetRequests, 999 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:33:27,397 INFO L933 BasicCegarLoop]: 1394 mSDtfsCounter, 3070 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 1652 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3070 SdHoareTripleChecker+Valid, 3318 SdHoareTripleChecker+Invalid, 2346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1652 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:33:27,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3070 Valid, 3318 Invalid, 2346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1652 Valid, 693 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2021-11-20 07:33:27,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4068 states. [2021-11-20 07:33:27,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4068 to 3009. [2021-11-20 07:33:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3009 states, 1937 states have (on average 1.3319566339700568) internal successors, (2580), 2043 states have internal predecessors, (2580), 843 states have call successors, (843), 217 states have call predecessors, (843), 228 states have return successors, (858), 828 states have call predecessors, (858), 842 states have call successors, (858) [2021-11-20 07:33:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 4281 transitions. [2021-11-20 07:33:27,710 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 4281 transitions. Word has length 502 [2021-11-20 07:33:27,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:33:27,711 INFO L470 AbstractCegarLoop]: Abstraction has 3009 states and 4281 transitions. [2021-11-20 07:33:27,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 6 states have call successors, (117), 4 states have call predecessors, (117), 4 states have return successors, (116), 6 states have call predecessors, (116), 6 states have call successors, (116) [2021-11-20 07:33:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 4281 transitions. [2021-11-20 07:33:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2021-11-20 07:33:27,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:33:27,735 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:33:27,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-11-20 07:33:27,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:33:27,951 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:33:27,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:33:27,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1533137551, now seen corresponding path program 1 times [2021-11-20 07:33:27,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:33:27,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550581503] [2021-11-20 07:33:27,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:33:27,953 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:33:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:33:27,954 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:33:27,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-20 07:33:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:33:29,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:33:29,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:33:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 2047 trivial. 0 not checked. [2021-11-20 07:33:33,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:33:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2103 trivial. 0 not checked. [2021-11-20 07:33:34,997 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:33:34,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550581503] [2021-11-20 07:33:34,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550581503] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:33:34,997 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:33:34,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-20 07:33:34,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324378970] [2021-11-20 07:33:34,998 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:33:35,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:33:35,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:33:35,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:33:35,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:33:35,002 INFO L87 Difference]: Start difference. First operand 3009 states and 4281 transitions. Second operand has 4 states, 4 states have (on average 73.5) internal successors, (294), 4 states have internal predecessors, (294), 4 states have call successors, (106), 3 states have call predecessors, (106), 3 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) [2021-11-20 07:33:35,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:33:35,884 INFO L93 Difference]: Finished difference Result 5379 states and 7740 transitions. [2021-11-20 07:33:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:33:35,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.5) internal successors, (294), 4 states have internal predecessors, (294), 4 states have call successors, (106), 3 states have call predecessors, (106), 3 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) Word has length 502 [2021-11-20 07:33:35,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:33:35,914 INFO L225 Difference]: With dead ends: 5379 [2021-11-20 07:33:35,915 INFO L226 Difference]: Without dead ends: 3009 [2021-11-20 07:33:35,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 1000 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:33:35,926 INFO L933 BasicCegarLoop]: 793 mSDtfsCounter, 981 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:33:35,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [981 Valid, 793 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-20 07:33:35,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states. [2021-11-20 07:33:36,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 3009. [2021-11-20 07:33:36,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3009 states, 1937 states have (on average 1.3288590604026846) internal successors, (2574), 2043 states have internal predecessors, (2574), 843 states have call successors, (843), 217 states have call predecessors, (843), 228 states have return successors, (858), 828 states have call predecessors, (858), 842 states have call successors, (858) [2021-11-20 07:33:36,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 4275 transitions. [2021-11-20 07:33:36,220 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 4275 transitions. Word has length 502 [2021-11-20 07:33:36,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:33:36,222 INFO L470 AbstractCegarLoop]: Abstraction has 3009 states and 4275 transitions. [2021-11-20 07:33:36,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.5) internal successors, (294), 4 states have internal predecessors, (294), 4 states have call successors, (106), 3 states have call predecessors, (106), 3 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) [2021-11-20 07:33:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 4275 transitions. [2021-11-20 07:33:36,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2021-11-20 07:33:36,252 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:33:36,253 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:33:36,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-20 07:33:36,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:33:36,477 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:33:36,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:33:36,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1830425363, now seen corresponding path program 1 times [2021-11-20 07:33:36,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:33:36,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617455440] [2021-11-20 07:33:36,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:33:36,480 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:33:36,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:33:36,481 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:33:36,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-20 07:33:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:33:38,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:33:38,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:33:39,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 2060 trivial. 0 not checked. [2021-11-20 07:33:39,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:33:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 2103 trivial. 0 not checked. [2021-11-20 07:33:41,760 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:33:41,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617455440] [2021-11-20 07:33:41,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617455440] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:33:41,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:33:41,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2021-11-20 07:33:41,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387905806] [2021-11-20 07:33:41,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:33:41,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:33:41,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:33:41,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:33:41,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:33:41,765 INFO L87 Difference]: Start difference. First operand 3009 states and 4275 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (54), 4 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-20 07:33:42,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:33:42,286 INFO L93 Difference]: Finished difference Result 6637 states and 9815 transitions. [2021-11-20 07:33:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:33:42,287 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (54), 4 states have call predecessors, (54), 2 states have call successors, (54) Word has length 508 [2021-11-20 07:33:42,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:33:42,330 INFO L225 Difference]: With dead ends: 6637 [2021-11-20 07:33:42,331 INFO L226 Difference]: Without dead ends: 4267 [2021-11-20 07:33:42,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1015 GetRequests, 1002 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:33:42,343 INFO L933 BasicCegarLoop]: 1096 mSDtfsCounter, 236 mSDsluCounter, 6299 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 7395 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:33:42,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 7395 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:33:42,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2021-11-20 07:33:42,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 3057. [2021-11-20 07:33:42,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 1973 states have (on average 1.3228585909782058) internal successors, (2610), 2079 states have internal predecessors, (2610), 843 states have call successors, (843), 217 states have call predecessors, (843), 240 states have return successors, (899), 840 states have call predecessors, (899), 842 states have call successors, (899) [2021-11-20 07:33:42,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4352 transitions. [2021-11-20 07:33:42,715 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4352 transitions. Word has length 508 [2021-11-20 07:33:42,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:33:42,716 INFO L470 AbstractCegarLoop]: Abstraction has 3057 states and 4352 transitions. [2021-11-20 07:33:42,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (54), 4 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-20 07:33:42,717 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4352 transitions. [2021-11-20 07:33:42,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2021-11-20 07:33:42,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:33:42,738 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:33:42,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:33:42,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:33:42,963 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:33:42,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:33:42,964 INFO L85 PathProgramCache]: Analyzing trace with hash 992395761, now seen corresponding path program 1 times [2021-11-20 07:33:42,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:33:42,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832585702] [2021-11-20 07:33:42,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:33:42,966 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:33:42,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:33:42,969 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:33:42,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-20 07:33:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:33:45,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 1643 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:33:45,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:33:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 2069 trivial. 0 not checked. [2021-11-20 07:33:46,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:33:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2021-11-20 07:33:48,954 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:33:48,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832585702] [2021-11-20 07:33:48,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832585702] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:33:48,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:33:48,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2021-11-20 07:33:48,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952517299] [2021-11-20 07:33:48,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:33:48,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:33:48,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:33:48,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:33:48,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-11-20 07:33:48,959 INFO L87 Difference]: Start difference. First operand 3057 states and 4352 transitions. Second operand has 10 states, 10 states have (on average 17.4) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (57), 5 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-20 07:33:50,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:33:56,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:33:56,054 INFO L93 Difference]: Finished difference Result 9149 states and 13458 transitions. [2021-11-20 07:33:56,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 07:33:56,055 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.4) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (57), 5 states have call predecessors, (57), 3 states have call successors, (57) Word has length 519 [2021-11-20 07:33:56,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:33:56,103 INFO L225 Difference]: With dead ends: 9149 [2021-11-20 07:33:56,103 INFO L226 Difference]: Without dead ends: 6731 [2021-11-20 07:33:56,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1049 GetRequests, 1023 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=110, Invalid=646, Unknown=0, NotChecked=0, Total=756 [2021-11-20 07:33:56,120 INFO L933 BasicCegarLoop]: 1508 mSDtfsCounter, 1087 mSDsluCounter, 10712 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 262 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1091 SdHoareTripleChecker+Valid, 12220 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:33:56,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1091 Valid, 12220 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 906 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2021-11-20 07:33:56,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6731 states. [2021-11-20 07:33:56,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6731 to 3093. [2021-11-20 07:33:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3093 states, 1991 states have (on average 1.3199397287795078) internal successors, (2628), 2097 states have internal predecessors, (2628), 861 states have call successors, (861), 217 states have call predecessors, (861), 240 states have return successors, (917), 858 states have call predecessors, (917), 860 states have call successors, (917) [2021-11-20 07:33:56,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 3093 states and 4406 transitions. [2021-11-20 07:33:56,539 INFO L78 Accepts]: Start accepts. Automaton has 3093 states and 4406 transitions. Word has length 519 [2021-11-20 07:33:56,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:33:56,540 INFO L470 AbstractCegarLoop]: Abstraction has 3093 states and 4406 transitions. [2021-11-20 07:33:56,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.4) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (57), 5 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-20 07:33:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 4406 transitions. [2021-11-20 07:33:56,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2021-11-20 07:33:56,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:33:56,562 INFO L514 BasicCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 07:33:56,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:33:56,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:33:56,779 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:33:56,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:33:56,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1056992081, now seen corresponding path program 1 times [2021-11-20 07:33:56,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:33:56,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341478738] [2021-11-20 07:33:56,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:33:56,783 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:33:56,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:33:56,785 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:33:56,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccfd911-1a41-4d60-8f4c-2e53f3c3c32b/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-20 07:34:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:01,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 1641 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 07:34:01,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:34:02,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:34:02,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:34:02,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:34:02,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:34:02,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:34:02,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:34:02,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:34:02,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:02,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 79 [2021-11-20 07:34:23,025 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:34:23,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 120 treesize of output 56 [2021-11-20 07:34:23,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2021-11-20 07:34:23,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:34:26,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 414 treesize of output 400