./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d4a04f164f23bccd0af71a4f58b3950d923042f92e5233e5b981a5aec1f8e73c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:42:45,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:42:45,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:42:45,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:42:45,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:42:45,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:42:45,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:42:45,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:42:45,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:42:45,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:42:45,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:42:45,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:42:45,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:42:45,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:42:45,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:42:45,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:42:45,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:42:45,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:42:45,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:42:45,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:42:45,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:42:45,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:42:45,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:42:45,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:42:45,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:42:45,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:42:45,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:42:45,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:42:45,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:42:45,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:42:45,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:42:45,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:42:45,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:42:45,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:42:45,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:42:45,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:42:45,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:42:45,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:42:45,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:42:45,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:42:45,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:42:45,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 21:42:45,934 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:42:45,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:42:45,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:42:45,935 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:42:45,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:42:45,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:42:45,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:42:45,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:42:45,936 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:42:45,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:42:45,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:42:45,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:42:45,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:42:45,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:42:45,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:42:45,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:42:45,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:42:45,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:42:45,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:42:45,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:42:45,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:42:45,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:42:45,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:42:45,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:42:45,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:42:45,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:42:45,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:42:45,939 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:42:45,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:42:45,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:42:45,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:42:45,939 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_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4a04f164f23bccd0af71a4f58b3950d923042f92e5233e5b981a5aec1f8e73c [2021-12-06 21:42:46,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:42:46,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:42:46,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:42:46,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:42:46,131 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:42:46,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i [2021-12-06 21:42:46,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/data/3b7dc58e7/11c3ace78996489a838ef44e33bfb9f9/FLAG23bfaa4d0 [2021-12-06 21:42:46,948 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:42:46,949 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i [2021-12-06 21:42:46,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/data/3b7dc58e7/11c3ace78996489a838ef44e33bfb9f9/FLAG23bfaa4d0 [2021-12-06 21:42:47,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/data/3b7dc58e7/11c3ace78996489a838ef44e33bfb9f9 [2021-12-06 21:42:47,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:42:47,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:42:47,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:42:47,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:42:47,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:42:47,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:42:47" (1/1) ... [2021-12-06 21:42:47,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4c7fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:47, skipping insertion in model container [2021-12-06 21:42:47,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:42:47" (1/1) ... [2021-12-06 21:42:47,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:42:47,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:42:47,743 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5732] [2021-12-06 21:42:47,744 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5733-5734] [2021-12-06 21:42:48,333 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_9608ceeb-72ca-468a-8b11-07052ed68c2b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i[176188,176201] [2021-12-06 21:42:50,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:42:50,436 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:42:50,527 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5732] [2021-12-06 21:42:50,527 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5733-5734] [2021-12-06 21:42:50,540 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_9608ceeb-72ca-468a-8b11-07052ed68c2b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i[176188,176201] [2021-12-06 21:42:51,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:42:51,421 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:42:51,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51 WrapperNode [2021-12-06 21:42:51,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:42:51,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:42:51,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:42:51,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:42:51,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51" (1/1) ... [2021-12-06 21:42:51,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51" (1/1) ... [2021-12-06 21:42:51,812 INFO L137 Inliner]: procedures = 467, calls = 5592, calls flagged for inlining = 175, calls inlined = 173, statements flattened = 13508 [2021-12-06 21:42:51,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:42:51,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:42:51,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:42:51,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:42:51,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51" (1/1) ... [2021-12-06 21:42:51,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51" (1/1) ... [2021-12-06 21:42:51,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51" (1/1) ... [2021-12-06 21:42:51,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51" (1/1) ... [2021-12-06 21:42:52,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51" (1/1) ... [2021-12-06 21:42:52,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51" (1/1) ... [2021-12-06 21:42:52,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51" (1/1) ... [2021-12-06 21:42:52,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:42:52,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:42:52,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:42:52,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:42:52,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51" (1/1) ... [2021-12-06 21:42:52,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:42:52,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:42:52,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:42:52,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:42:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_ppc [2021-12-06 21:42:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_ppc [2021-12-06 21:42:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 21:42:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 21:42:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_build_and_issue_cmd_fusion [2021-12-06 21:42:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_build_and_issue_cmd_fusion [2021-12-06 21:42:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure MR_GetPhyParams [2021-12-06 21:42:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_GetPhyParams [2021-12-06 21:42:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_skinny [2021-12-06 21:42:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_skinny [2021-12-06 21:42:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure get_arm_from_strip [2021-12-06 21:42:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arm_from_strip [2021-12-06 21:42:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_set_dma_mask [2021-12-06 21:42:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_set_dma_mask [2021-12-06 21:42:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_adp_reset_xscale [2021-12-06 21:42:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_adp_reset_xscale [2021-12-06 21:42:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_init_mfi [2021-12-06 21:42:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_init_mfi [2021-12-06 21:42:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-06 21:42:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-06 21:42:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 21:42:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 21:42:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_teardown_frame_pool_fusion [2021-12-06 21:42:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_teardown_frame_pool_fusion [2021-12-06 21:42:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_free_cmds_fusion [2021-12-06 21:42:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_free_cmds_fusion [2021-12-06 21:42:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_slave_configure [2021-12-06 21:42:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_slave_configure [2021-12-06 21:42:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_internal_reset_defer_cmds [2021-12-06 21:42:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_internal_reset_defer_cmds [2021-12-06 21:42:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 21:42:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 21:42:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure mega_div64_32 [2021-12-06 21:42:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_div64_32 [2021-12-06 21:42:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_gen2 [2021-12-06 21:42:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_gen2 [2021-12-06 21:42:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-06 21:42:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-06 21:42:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 21:42:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 21:42:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_request_descriptor [2021-12-06 21:42:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_request_descriptor [2021-12-06 21:42:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure MR_ArPdGet [2021-12-06 21:42:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_ArPdGet [2021-12-06 21:42:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 21:42:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 21:42:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-06 21:42:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-06 21:42:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_cmd_dpc [2021-12-06 21:42:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_cmd_dpc [2021-12-06 21:42:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_flush_cache [2021-12-06 21:42:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_flush_cache [2021-12-06 21:42:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure get_row_from_strip [2021-12-06 21:42:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure get_row_from_strip [2021-12-06 21:42:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-12-06 21:42:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-12-06 21:42:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 21:42:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 21:42:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_29 [2021-12-06 21:42:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_29 [2021-12-06 21:42:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-06 21:42:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-06 21:42:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_int_cmd [2021-12-06 21:42:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_int_cmd [2021-12-06 21:42:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure mr_spanset_get_phy_params [2021-12-06 21:42:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mr_spanset_get_phy_params [2021-12-06 21:42:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_resume [2021-12-06 21:42:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_resume [2021-12-06 21:42:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_shutdown [2021-12-06 21:42:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_shutdown [2021-12-06 21:42:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-06 21:42:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 21:42:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 21:42:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-06 21:42:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-06 21:42:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_skinny [2021-12-06 21:42:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_skinny [2021-12-06 21:42:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 21:42:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 21:42:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 21:42:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_slave_alloc [2021-12-06 21:42:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_slave_alloc [2021-12-06 21:42:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-06 21:42:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-06 21:42:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure MR_LdSpanArrayGet [2021-12-06 21:42:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_LdSpanArrayGet [2021-12-06 21:42:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_timer [2021-12-06 21:42:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_timer [2021-12-06 21:42:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_ld_list [2021-12-06 21:42:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_ld_list [2021-12-06 21:42:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2021-12-06 21:42:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2021-12-06 21:42:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 21:42:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 21:42:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_ld_vf_affiliation [2021-12-06 21:42:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_ld_vf_affiliation [2021-12-06 21:42:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_register_aen [2021-12-06 21:42:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_register_aen [2021-12-06 21:42:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-06 21:42:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-06 21:42:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-06 21:42:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-06 21:42:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 21:42:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 21:42:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 21:42:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 21:42:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 21:42:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sync_map_info [2021-12-06 21:42:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sync_map_info [2021-12-06 21:42:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 21:42:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 21:42:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_sas_kill_hba [2021-12-06 21:42:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_sas_kill_hba [2021-12-06 21:42:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_queue_command_lck [2021-12-06 21:42:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_queue_command_lck [2021-12-06 21:42:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 21:42:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_start_aen [2021-12-06 21:42:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_start_aen [2021-12-06 21:42:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_isr_fusion [2021-12-06 21:42:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_isr_fusion [2021-12-06 21:42:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 21:42:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_xscale [2021-12-06 21:42:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_xscale [2021-12-06 21:42:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 21:42:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 21:42:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_first [2021-12-06 21:42:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_first [2021-12-06 21:42:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_blocked_cmd [2021-12-06 21:42:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_blocked_cmd [2021-12-06 21:42:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 21:42:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 21:42:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-06 21:42:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-06 21:42:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-06 21:42:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-06 21:42:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_do_ocr [2021-12-06 21:42:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_do_ocr [2021-12-06 21:42:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-06 21:42:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-06 21:42:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 21:42:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 21:42:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 21:42:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 21:42:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-06 21:42:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-06 21:42:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_gen2 [2021-12-06 21:42:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_gen2 [2021-12-06 21:42:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure MR_LdSpanPtrGet [2021-12-06 21:42:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_LdSpanPtrGet [2021-12-06 21:42:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_teardown_frame_pool [2021-12-06 21:42:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_teardown_frame_pool [2021-12-06 21:42:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_gen2 [2021-12-06 21:42:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_gen2 [2021-12-06 21:42:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-06 21:42:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-06 21:42:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fusion_ocr_wq [2021-12-06 21:42:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fusion_ocr_wq [2021-12-06 21:42:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_support_device_change [2021-12-06 21:42:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_support_device_change [2021-12-06 21:42:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-06 21:42:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-06 21:42:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_skinny [2021-12-06 21:42:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_skinny [2021-12-06 21:42:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_skinny [2021-12-06 21:42:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_skinny [2021-12-06 21:42:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_skinny [2021-12-06 21:42:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_skinny [2021-12-06 21:42:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_is_ldio [2021-12-06 21:42:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_is_ldio [2021-12-06 21:42:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-06 21:42:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-06 21:42:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 21:42:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-12-06 21:42:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-12-06 21:42:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_device [2021-12-06 21:42:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_device [2021-12-06 21:42:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure process_fw_state_change_wq [2021-12-06 21:42:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure process_fw_state_change_wq [2021-12-06 21:42:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:42:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_open [2021-12-06 21:42:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_open [2021-12-06 21:42:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure MR_TargetIdToLdGet [2021-12-06 21:42:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_TargetIdToLdGet [2021-12-06 21:42:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_ioctl_fw [2021-12-06 21:42:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_ioctl_fw [2021-12-06 21:42:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-06 21:42:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-06 21:42:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 21:42:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-06 21:42:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-06 21:42:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_bus_host [2021-12-06 21:42:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_bus_host [2021-12-06 21:42:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 21:42:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-06 21:42:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-06 21:42:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure get_strip_from_row [2021-12-06 21:42:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure get_strip_from_row [2021-12-06 21:42:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 21:42:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 21:42:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_return_cmd [2021-12-06 21:42:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_return_cmd [2021-12-06 21:42:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-06 21:42:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-06 21:42:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_shutdown_controller [2021-12-06 21:42:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_shutdown_controller [2021-12-06 21:42:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-06 21:42:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-06 21:42:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 21:42:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 21:42:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_lookup [2021-12-06 21:42:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_lookup [2021-12-06 21:42:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_ioc_init_fusion [2021-12-06 21:42:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_ioc_init_fusion [2021-12-06 21:42:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_return_cmd_fusion [2021-12-06 21:42:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_return_cmd_fusion [2021-12-06 21:42:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2021-12-06 21:42:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2021-12-06 21:42:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_ppc [2021-12-06 21:42:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_ppc [2021-12-06 21:42:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_init_fw [2021-12-06 21:42:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_init_fw [2021-12-06 21:42:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_xscale [2021-12-06 21:42:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_xscale [2021-12-06 21:42:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure wait_and_poll [2021-12-06 21:42:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_and_poll [2021-12-06 21:42:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2021-12-06 21:42:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2021-12-06 21:42:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 21:42:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 21:42:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 21:42:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 21:42:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_disable_intr_xscale [2021-12-06 21:42:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_disable_intr_xscale [2021-12-06 21:42:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_xscale [2021-12-06 21:42:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_xscale [2021-12-06 21:42:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sriov_start_heartbeat [2021-12-06 21:42:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sriov_start_heartbeat [2021-12-06 21:42:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2021-12-06 21:42:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2021-12-06 21:42:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_isr [2021-12-06 21:42:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_isr [2021-12-06 21:42:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_mpio_paths [2021-12-06 21:42:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_mpio_paths [2021-12-06 21:42:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-06 21:42:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-06 21:42:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 21:42:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 21:42:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 21:42:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 21:42:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-06 21:42:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-06 21:42:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_transition_to_ready [2021-12-06 21:42:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_transition_to_ready [2021-12-06 21:42:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-06 21:42:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-06 21:42:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:42:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:42:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_xscale [2021-12-06 21:42:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_xscale [2021-12-06 21:42:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_cmd_fusion [2021-12-06 21:42:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_cmd_fusion [2021-12-06 21:42:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_alloc_cmds [2021-12-06 21:42:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_alloc_cmds [2021-12-06 21:42:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 21:42:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 21:42:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_release_date [2021-12-06 21:42:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_release_date [2021-12-06 21:42:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-12-06 21:42:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-12-06 21:42:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 21:42:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_xscale [2021-12-06 21:42:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_xscale [2021-12-06 21:42:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 21:42:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2021-12-06 21:42:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2021-12-06 21:42:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 21:42:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 21:42:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-06 21:42:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-06 21:42:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_map_info [2021-12-06 21:42:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_map_info [2021-12-06 21:42:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_ppc [2021-12-06 21:42:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_ppc [2021-12-06 21:42:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2021-12-06 21:42:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2021-12-06 21:42:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 21:42:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 21:42:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_fasync [2021-12-06 21:42:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_fasync [2021-12-06 21:42:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 21:42:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-12-06 21:42:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-12-06 21:42:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_gen2 [2021-12-06 21:42:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_gen2 [2021-12-06 21:42:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_start_timer [2021-12-06 21:42:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_start_timer [2021-12-06 21:42:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-06 21:42:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-06 21:42:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 21:42:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 21:42:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 21:42:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 21:42:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure mega_mod64 [2021-12-06 21:42:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_mod64 [2021-12-06 21:42:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_10 [2021-12-06 21:42:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_10 [2021-12-06 21:42:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 21:42:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 21:42:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 21:42:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 21:42:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 21:42:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 21:42:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-12-06 21:42:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-12-06 21:42:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_fusion [2021-12-06 21:42:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_fusion [2021-12-06 21:42:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-06 21:42:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-06 21:42:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2021-12-06 21:42:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2021-12-06 21:42:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 21:42:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 21:42:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-06 21:42:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-06 21:42:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-06 21:42:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-06 21:42:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 21:42:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 21:42:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 21:42:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_disable_intr_fusion [2021-12-06 21:42:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_disable_intr_fusion [2021-12-06 21:42:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-06 21:42:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-06 21:42:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_adp_reset_gen2 [2021-12-06 21:42:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_adp_reset_gen2 [2021-12-06 21:42:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2021-12-06 21:42:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2021-12-06 21:42:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 21:42:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_dcmd_fusion [2021-12-06 21:42:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_dcmd_fusion [2021-12-06 21:42:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_and_restore_queue_depth [2021-12-06 21:42:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_and_restore_queue_depth [2021-12-06 21:42:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2021-12-06 21:42:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2021-12-06 21:42:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure get_cpu_mask [2021-12-06 21:42:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cpu_mask [2021-12-06 21:42:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_support_poll_for_event [2021-12-06 21:42:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_support_poll_for_event [2021-12-06 21:42:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 21:42:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure MR_PdDevHandleGet [2021-12-06 21:42:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_PdDevHandleGet [2021-12-06 21:42:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-06 21:42:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-06 21:42:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_init_adapter_mfi [2021-12-06 21:42:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_init_adapter_mfi [2021-12-06 21:42:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-06 21:42:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-06 21:42:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 21:42:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 21:42:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u32~0~X~$Pointer$~TO~VOID [2021-12-06 21:42:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u32~0~X~$Pointer$~TO~VOID [2021-12-06 21:42:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 21:42:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 21:42:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure MR_LdRaidGet [2021-12-06 21:42:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_LdRaidGet [2021-12-06 21:42:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-12-06 21:42:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-12-06 21:42:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 21:42:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 21:42:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 21:42:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 21:42:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_build_and_issue_cmd [2021-12-06 21:42:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_build_and_issue_cmd [2021-12-06 21:42:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_make_sgl_skinny [2021-12-06 21:42:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_make_sgl_skinny [2021-12-06 21:42:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-06 21:42:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-06 21:42:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-12-06 21:42:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-12-06 21:42:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-12-06 21:42:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-12-06 21:42:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_frame_count [2021-12-06 21:42:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_frame_count [2021-12-06 21:42:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_fusion [2021-12-06 21:42:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_fusion [2021-12-06 21:42:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_reply_desc [2021-12-06 21:42:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_reply_desc [2021-12-06 21:42:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_version [2021-12-06 21:42:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_version [2021-12-06 21:42:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_ioctl_aen [2021-12-06 21:42:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_ioctl_aen [2021-12-06 21:42:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 21:42:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 21:42:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_poll [2021-12-06 21:42:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_poll [2021-12-06 21:42:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_cmd_dpc_fusion [2021-12-06 21:42:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_cmd_dpc_fusion [2021-12-06 21:42:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_probe_one [2021-12-06 21:42:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_probe_one [2021-12-06 21:42:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_fusion [2021-12-06 21:42:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_fusion [2021-12-06 21:42:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_disable_intr_ppc [2021-12-06 21:42:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_disable_intr_ppc [2021-12-06 21:42:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure MR_ValidateMapInfo [2021-12-06 21:42:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_ValidateMapInfo [2021-12-06 21:42:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-06 21:42:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-06 21:42:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-12-06 21:42:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-12-06 21:42:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_fusion [2021-12-06 21:42:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_fusion [2021-12-06 21:42:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_free_cmds [2021-12-06 21:42:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_free_cmds [2021-12-06 21:42:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-06 21:42:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-06 21:42:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_adp_reset_fusion [2021-12-06 21:42:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_adp_reset_fusion [2021-12-06 21:42:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_blocked_abort_cmd [2021-12-06 21:42:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_blocked_abort_cmd [2021-12-06 21:42:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_release_fusion [2021-12-06 21:42:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_release_fusion [2021-12-06 21:42:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cmd_fusion [2021-12-06 21:42:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cmd_fusion [2021-12-06 21:42:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_lookup_instance [2021-12-06 21:42:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_lookup_instance [2021-12-06 21:42:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 21:42:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 21:42:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 21:42:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_queue_command [2021-12-06 21:42:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_queue_command [2021-12-06 21:42:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 21:42:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 21:42:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_dcmd [2021-12-06 21:42:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_dcmd [2021-12-06 21:42:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_pd_list [2021-12-06 21:42:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_pd_list [2021-12-06 21:42:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_generic_reset [2021-12-06 21:42:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_generic_reset [2021-12-06 21:42:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_device [2021-12-06 21:42:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_device [2021-12-06 21:42:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-12-06 21:42:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-12-06 21:42:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-12-06 21:42:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-12-06 21:42:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_cmd [2021-12-06 21:42:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_cmd [2021-12-06 21:42:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_dbg_lvl [2021-12-06 21:42:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_dbg_lvl [2021-12-06 21:42:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_release_mfi [2021-12-06 21:42:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_release_mfi [2021-12-06 21:42:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-06 21:42:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-06 21:42:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 21:42:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 21:42:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-06 21:42:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-06 21:42:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_fusion [2021-12-06 21:42:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_fusion [2021-12-06 21:42:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_cmd [2021-12-06 21:42:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_cmd [2021-12-06 21:42:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-06 21:42:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-06 21:42:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 21:42:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 21:42:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_wait_for_outstanding_fusion [2021-12-06 21:42:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_wait_for_outstanding_fusion [2021-12-06 21:42:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-06 21:42:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-06 21:42:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_ppc [2021-12-06 21:42:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_ppc [2021-12-06 21:42:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-06 21:42:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-06 21:42:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_fusion [2021-12-06 21:42:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_fusion [2021-12-06 21:42:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_ppc [2021-12-06 21:42:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_ppc [2021-12-06 21:42:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 21:42:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 21:42:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-06 21:42:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-06 21:42:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_ld_list_query [2021-12-06 21:42:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_ld_list_query [2021-12-06 21:42:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 21:42:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 21:42:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-06 21:42:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:42:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 21:42:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 21:42:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_detach_one [2021-12-06 21:42:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_detach_one [2021-12-06 21:42:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_polled [2021-12-06 21:42:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_polled [2021-12-06 21:42:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_init_adapter_fusion [2021-12-06 21:42:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_init_adapter_fusion [2021-12-06 21:42:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_make_sgl64 [2021-12-06 21:42:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_make_sgl64 [2021-12-06 21:42:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-06 21:42:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-06 21:42:53,191 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:42:53,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:42:55,572 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 21:43:10,882 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:43:10,908 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:43:10,908 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 21:43:10,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:43:10 BoogieIcfgContainer [2021-12-06 21:43:10,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:43:10,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:43:10,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:43:10,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:43:10,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:42:47" (1/3) ... [2021-12-06 21:43:10,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368bd11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:43:10, skipping insertion in model container [2021-12-06 21:43:10,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:42:51" (2/3) ... [2021-12-06 21:43:10,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368bd11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:43:10, skipping insertion in model container [2021-12-06 21:43:10,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:43:10" (3/3) ... [2021-12-06 21:43:10,920 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i [2021-12-06 21:43:10,923 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:43:10,923 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 21:43:10,970 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:43:10,975 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 21:43:10,975 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 21:43:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 5324 states, 3779 states have (on average 1.4006350886477905) internal successors, (5293), 3882 states have internal predecessors, (5293), 1305 states have call successors, (1305), 239 states have call predecessors, (1305), 238 states have return successors, (1290), 1263 states have call predecessors, (1290), 1290 states have call successors, (1290) [2021-12-06 21:43:11,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-12-06 21:43:11,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:43:11,078 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:43:11,079 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:43:11,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:43:11,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1987054300, now seen corresponding path program 1 times [2021-12-06 21:43:11,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:43:11,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978803212] [2021-12-06 21:43:11,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:43:11,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:43:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:43:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 21:43:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:43:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 21:43:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 21:43:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 21:43:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 21:43:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 21:43:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 21:43:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 21:43:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 21:43:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 21:43:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 21:43:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:43:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 21:43:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 21:43:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 21:43:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 21:43:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 21:43:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 21:43:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 21:43:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 21:43:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 21:43:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 21:43:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:43:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 21:43:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 21:43:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 21:43:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 21:43:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 21:43:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 21:43:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 21:43:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 21:43:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2021-12-06 21:43:11,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:43:11,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978803212] [2021-12-06 21:43:11,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978803212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:43:11,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:43:12,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:43:12,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085299780] [2021-12-06 21:43:12,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:43:12,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 21:43:12,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:43:12,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:43:12,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:43:12,036 INFO L87 Difference]: Start difference. First operand has 5324 states, 3779 states have (on average 1.4006350886477905) internal successors, (5293), 3882 states have internal predecessors, (5293), 1305 states have call successors, (1305), 239 states have call predecessors, (1305), 238 states have return successors, (1290), 1263 states have call predecessors, (1290), 1290 states have call successors, (1290) Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-06 21:43:22,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:24,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:37,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:40,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:44,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:52,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:43:52,822 INFO L93 Difference]: Finished difference Result 17078 states and 26476 transitions. [2021-12-06 21:43:52,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:43:52,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 225 [2021-12-06 21:43:52,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:43:52,918 INFO L225 Difference]: With dead ends: 17078 [2021-12-06 21:43:52,918 INFO L226 Difference]: Without dead ends: 11682 [2021-12-06 21:43:52,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 21:43:52,972 INFO L933 BasicCegarLoop]: 8460 mSDtfsCounter, 13574 mSDsluCounter, 13459 mSDsCounter, 0 mSdLazyCounter, 9078 mSolverCounterSat, 7481 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14364 SdHoareTripleChecker+Valid, 21919 SdHoareTripleChecker+Invalid, 16561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7481 IncrementalHoareTripleChecker+Valid, 9078 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.9s IncrementalHoareTripleChecker+Time [2021-12-06 21:43:52,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14364 Valid, 21919 Invalid, 16561 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7481 Valid, 9078 Invalid, 2 Unknown, 0 Unchecked, 39.9s Time] [2021-12-06 21:43:53,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11682 states. [2021-12-06 21:43:53,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11682 to 10163. [2021-12-06 21:43:53,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10163 states, 7258 states have (on average 1.3974924221548637) internal successors, (10143), 7424 states have internal predecessors, (10143), 2445 states have call successors, (2445), 460 states have call predecessors, (2445), 459 states have return successors, (2444), 2389 states have call predecessors, (2444), 2444 states have call successors, (2444) [2021-12-06 21:43:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10163 states to 10163 states and 15032 transitions. [2021-12-06 21:43:53,535 INFO L78 Accepts]: Start accepts. Automaton has 10163 states and 15032 transitions. Word has length 225 [2021-12-06 21:43:53,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:43:53,537 INFO L470 AbstractCegarLoop]: Abstraction has 10163 states and 15032 transitions. [2021-12-06 21:43:53,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-06 21:43:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 10163 states and 15032 transitions. [2021-12-06 21:43:53,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-06 21:43:53,546 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:43:53,547 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 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] [2021-12-06 21:43:53,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 21:43:53,547 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:43:53,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:43:53,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1504509522, now seen corresponding path program 1 times [2021-12-06 21:43:53,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:43:53,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260542507] [2021-12-06 21:43:53,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:43:53,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:43:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:43:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 21:43:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:43:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 21:43:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 21:43:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 21:43:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 21:43:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 21:43:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 21:43:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 21:43:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 21:43:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 21:43:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 21:43:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:43:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 21:43:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 21:43:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 21:43:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 21:43:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:53,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 21:43:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 21:43:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 21:43:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 21:43:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 21:43:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 21:43:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:43:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 21:43:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 21:43:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 21:43:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 21:43:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 21:43:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 21:43:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 21:43:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 21:43:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-06 21:43:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:43:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2021-12-06 21:43:54,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:43:54,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260542507] [2021-12-06 21:43:54,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260542507] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:43:54,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754912815] [2021-12-06 21:43:54,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:43:54,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:43:54,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:43:54,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:43:54,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 21:43:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:55,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 4721 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:43:55,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:43:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2021-12-06 21:43:55,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:43:55,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754912815] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:43:55,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:43:55,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-12-06 21:43:55,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475956082] [2021-12-06 21:43:55,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:43:55,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:43:55,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:43:55,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:43:55,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:43:55,403 INFO L87 Difference]: Start difference. First operand 10163 states and 15032 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 21:43:56,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:43:56,182 INFO L93 Difference]: Finished difference Result 30245 states and 44736 transitions. [2021-12-06 21:43:56,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:43:56,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 249 [2021-12-06 21:43:56,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:43:56,324 INFO L225 Difference]: With dead ends: 30245 [2021-12-06 21:43:56,324 INFO L226 Difference]: Without dead ends: 20151 [2021-12-06 21:43:56,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:43:56,377 INFO L933 BasicCegarLoop]: 9021 mSDtfsCounter, 7708 mSDsluCounter, 7644 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7708 SdHoareTripleChecker+Valid, 16665 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:43:56,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7708 Valid, 16665 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 21:43:56,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20151 states. [2021-12-06 21:43:56,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20151 to 20144. [2021-12-06 21:43:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20144 states, 14419 states have (on average 1.3966988001941882) internal successors, (20139), 14753 states have internal predecessors, (20139), 4806 states have call successors, (4806), 919 states have call predecessors, (4806), 918 states have return successors, (4805), 4693 states have call predecessors, (4805), 4805 states have call successors, (4805) [2021-12-06 21:43:57,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20144 states to 20144 states and 29750 transitions. [2021-12-06 21:43:57,121 INFO L78 Accepts]: Start accepts. Automaton has 20144 states and 29750 transitions. Word has length 249 [2021-12-06 21:43:57,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:43:57,122 INFO L470 AbstractCegarLoop]: Abstraction has 20144 states and 29750 transitions. [2021-12-06 21:43:57,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 21:43:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 20144 states and 29750 transitions. [2021-12-06 21:43:57,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-06 21:43:57,130 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:43:57,130 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 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] [2021-12-06 21:43:57,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 21:43:57,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-12-06 21:43:57,332 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:43:57,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:43:57,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1880313095, now seen corresponding path program 1 times [2021-12-06 21:43:57,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:43:57,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720675410] [2021-12-06 21:43:57,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:43:57,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:43:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:43:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 21:43:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:43:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 21:43:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 21:43:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 21:43:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 21:43:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 21:43:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 21:43:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 21:43:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 21:43:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 21:43:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 21:43:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:43:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 21:43:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 21:43:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 21:43:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 21:43:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 21:43:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 21:43:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 21:43:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 21:43:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 21:43:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 21:43:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:43:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 21:43:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 21:43:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 21:43:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 21:43:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 21:43:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:58,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 21:43:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 21:43:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 21:43:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:43:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:58,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:43:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2021-12-06 21:43:58,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:43:58,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720675410] [2021-12-06 21:43:58,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720675410] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:43:58,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261361222] [2021-12-06 21:43:58,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:43:58,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:43:58,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:43:58,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:43:58,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 21:43:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:58,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 4729 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:43:59,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:43:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2021-12-06 21:43:59,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:43:59,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261361222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:43:59,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:43:59,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-12-06 21:43:59,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096076517] [2021-12-06 21:43:59,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:43:59,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:43:59,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:43:59,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:43:59,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:43:59,171 INFO L87 Difference]: Start difference. First operand 20144 states and 29750 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 21:44:00,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:44:00,352 INFO L93 Difference]: Finished difference Result 60064 states and 88708 transitions. [2021-12-06 21:44:00,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:44:00,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 253 [2021-12-06 21:44:00,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:44:00,653 INFO L225 Difference]: With dead ends: 60064 [2021-12-06 21:44:00,653 INFO L226 Difference]: Without dead ends: 39989 [2021-12-06 21:44:00,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:44:00,751 INFO L933 BasicCegarLoop]: 9091 mSDtfsCounter, 7693 mSDsluCounter, 7644 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7693 SdHoareTripleChecker+Valid, 16735 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:44:00,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7693 Valid, 16735 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 21:44:00,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39989 states. [2021-12-06 21:44:01,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39989 to 39978. [2021-12-06 21:44:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39978 states, 28671 states have (on average 1.3955216071989118) internal successors, (40011), 29341 states have internal predecessors, (40011), 9470 states have call successors, (9470), 1837 states have call predecessors, (9470), 1836 states have return successors, (9469), 9243 states have call predecessors, (9469), 9469 states have call successors, (9469) [2021-12-06 21:44:01,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39978 states to 39978 states and 58950 transitions. [2021-12-06 21:44:01,903 INFO L78 Accepts]: Start accepts. Automaton has 39978 states and 58950 transitions. Word has length 253 [2021-12-06 21:44:01,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:44:01,903 INFO L470 AbstractCegarLoop]: Abstraction has 39978 states and 58950 transitions. [2021-12-06 21:44:01,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 21:44:01,904 INFO L276 IsEmpty]: Start isEmpty. Operand 39978 states and 58950 transitions. [2021-12-06 21:44:01,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-06 21:44:01,910 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:44:01,910 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 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] [2021-12-06 21:44:01,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 21:44:02,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:44:02,111 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:44:02,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:44:02,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1752990689, now seen corresponding path program 1 times [2021-12-06 21:44:02,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:44:02,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987043038] [2021-12-06 21:44:02,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:02,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:44:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:44:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 21:44:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:44:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 21:44:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 21:44:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 21:44:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 21:44:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 21:44:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 21:44:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 21:44:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 21:44:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 21:44:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 21:44:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:44:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 21:44:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 21:44:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 21:44:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 21:44:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 21:44:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 21:44:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 21:44:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 21:44:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 21:44:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 21:44:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:44:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 21:44:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 21:44:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 21:44:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 21:44:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 21:44:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 21:44:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 21:44:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 21:44:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-06 21:44:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:44:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2021-12-06 21:44:02,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:44:02,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987043038] [2021-12-06 21:44:02,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987043038] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:44:02,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209984913] [2021-12-06 21:44:02,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:02,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:44:02,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:44:02,718 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:44:02,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 21:44:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:03,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 4733 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:44:03,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:44:03,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2021-12-06 21:44:03,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:44:03,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209984913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:44:03,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:44:03,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-12-06 21:44:03,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419996824] [2021-12-06 21:44:03,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:44:03,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:44:03,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:44:03,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:44:03,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:44:03,858 INFO L87 Difference]: Start difference. First operand 39978 states and 58950 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 21:44:05,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:44:05,536 INFO L93 Difference]: Finished difference Result 119302 states and 175920 transitions. [2021-12-06 21:44:05,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:44:05,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 255 [2021-12-06 21:44:05,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:44:05,911 INFO L225 Difference]: With dead ends: 119302 [2021-12-06 21:44:05,911 INFO L226 Difference]: Without dead ends: 79393 [2021-12-06 21:44:06,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:44:06,023 INFO L933 BasicCegarLoop]: 9160 mSDtfsCounter, 7677 mSDsluCounter, 7644 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7677 SdHoareTripleChecker+Valid, 16804 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:44:06,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7677 Valid, 16804 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 21:44:06,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79393 states. [2021-12-06 21:44:08,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79393 to 79374. [2021-12-06 21:44:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79374 states, 57027 states have (on average 1.3941992389569853) internal successors, (79507), 58369 states have internal predecessors, (79507), 18674 states have call successors, (18674), 3673 states have call predecessors, (18674), 3672 states have return successors, (18673), 18219 states have call predecessors, (18673), 18673 states have call successors, (18673) [2021-12-06 21:44:08,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79374 states to 79374 states and 116854 transitions. [2021-12-06 21:44:08,817 INFO L78 Accepts]: Start accepts. Automaton has 79374 states and 116854 transitions. Word has length 255 [2021-12-06 21:44:08,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:44:08,818 INFO L470 AbstractCegarLoop]: Abstraction has 79374 states and 116854 transitions. [2021-12-06 21:44:08,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 21:44:08,818 INFO L276 IsEmpty]: Start isEmpty. Operand 79374 states and 116854 transitions. [2021-12-06 21:44:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-12-06 21:44:08,824 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:44:08,824 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 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] [2021-12-06 21:44:08,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 21:44:09,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:44:09,025 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:44:09,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:44:09,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1496520534, now seen corresponding path program 1 times [2021-12-06 21:44:09,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:44:09,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703735372] [2021-12-06 21:44:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:09,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:44:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:44:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 21:44:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:44:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 21:44:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 21:44:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 21:44:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 21:44:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 21:44:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 21:44:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 21:44:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 21:44:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 21:44:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 21:44:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:44:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 21:44:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 21:44:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 21:44:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 21:44:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 21:44:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 21:44:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 21:44:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 21:44:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 21:44:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 21:44:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:44:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 21:44:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 21:44:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 21:44:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 21:44:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 21:44:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 21:44:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 21:44:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 21:44:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-06 21:44:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:44:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2021-12-06 21:44:09,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:44:09,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703735372] [2021-12-06 21:44:09,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703735372] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:44:09,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518676114] [2021-12-06 21:44:09,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:09,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:44:09,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:44:09,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:44:09,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 21:44:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:10,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 4743 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:44:10,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:44:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2021-12-06 21:44:10,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:44:10,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518676114] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:44:10,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:44:10,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-12-06 21:44:10,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835008508] [2021-12-06 21:44:10,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:44:10,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:44:10,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:44:10,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:44:10,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:44:10,695 INFO L87 Difference]: Start difference. First operand 79374 states and 116854 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 21:44:14,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:44:14,078 INFO L93 Difference]: Finished difference Result 236908 states and 348776 transitions. [2021-12-06 21:44:14,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:44:14,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 260 [2021-12-06 21:44:14,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:44:14,856 INFO L225 Difference]: With dead ends: 236908 [2021-12-06 21:44:14,856 INFO L226 Difference]: Without dead ends: 157603 [2021-12-06 21:44:15,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:44:15,092 INFO L933 BasicCegarLoop]: 9284 mSDtfsCounter, 7661 mSDsluCounter, 7644 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7661 SdHoareTripleChecker+Valid, 16928 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:44:15,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7661 Valid, 16928 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 21:44:15,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157603 states. [2021-12-06 21:44:19,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157603 to 157600. [2021-12-06 21:44:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157600 states, 113427 states have (on average 1.392640200305042) internal successors, (157963), 116097 states have internal predecessors, (157963), 36830 states have call successors, (36830), 7343 states have call predecessors, (36830), 7342 states have return successors, (36829), 35935 states have call predecessors, (36829), 36829 states have call successors, (36829) [2021-12-06 21:44:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157600 states to 157600 states and 231622 transitions. [2021-12-06 21:44:20,337 INFO L78 Accepts]: Start accepts. Automaton has 157600 states and 231622 transitions. Word has length 260 [2021-12-06 21:44:20,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:44:20,337 INFO L470 AbstractCegarLoop]: Abstraction has 157600 states and 231622 transitions. [2021-12-06 21:44:20,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 21:44:20,338 INFO L276 IsEmpty]: Start isEmpty. Operand 157600 states and 231622 transitions. [2021-12-06 21:44:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-12-06 21:44:20,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:44:20,346 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 30, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:44:20,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 21:44:20,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:44:20,548 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:44:20,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:44:20,549 INFO L85 PathProgramCache]: Analyzing trace with hash 323010848, now seen corresponding path program 1 times [2021-12-06 21:44:20,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:44:20,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7424094] [2021-12-06 21:44:20,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:20,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:44:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:44:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 21:44:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:44:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 21:44:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 21:44:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 21:44:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 21:44:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 21:44:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 21:44:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 21:44:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 21:44:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 21:44:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 21:44:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:44:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 21:44:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 21:44:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 21:44:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 21:44:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 21:44:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 21:44:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 21:44:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 21:44:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 21:44:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 21:44:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:44:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 21:44:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 21:44:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 21:44:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 21:44:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 21:44:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 21:44:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 21:44:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 21:44:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 21:44:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 21:44:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-06 21:44:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-06 21:44:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-06 21:44:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:44:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:20,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1824 trivial. 0 not checked. [2021-12-06 21:44:21,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:44:21,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7424094] [2021-12-06 21:44:21,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7424094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:44:21,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:44:21,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:44:21,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516895890] [2021-12-06 21:44:21,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:44:21,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:44:21,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:44:21,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:44:21,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:44:21,002 INFO L87 Difference]: Start difference. First operand 157600 states and 231622 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 21:44:26,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:31,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:33,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:48,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:51,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:53,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:58,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:12,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:14,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:17,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:19,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:25,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:45:25,832 INFO L93 Difference]: Finished difference Result 499912 states and 751551 transitions. [2021-12-06 21:45:25,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 21:45:25,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 274 [2021-12-06 21:45:25,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:45:27,810 INFO L225 Difference]: With dead ends: 499912 [2021-12-06 21:45:27,810 INFO L226 Difference]: Without dead ends: 342381 [2021-12-06 21:45:28,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-06 21:45:28,392 INFO L933 BasicCegarLoop]: 8831 mSDtfsCounter, 15045 mSDsluCounter, 13774 mSDsCounter, 0 mSdLazyCounter, 9513 mSolverCounterSat, 9732 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15999 SdHoareTripleChecker+Valid, 22605 SdHoareTripleChecker+Invalid, 19255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9732 IncrementalHoareTripleChecker+Valid, 9513 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.9s IncrementalHoareTripleChecker+Time [2021-12-06 21:45:28,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15999 Valid, 22605 Invalid, 19255 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9732 Valid, 9513 Invalid, 10 Unknown, 0 Unchecked, 54.9s Time] [2021-12-06 21:45:28,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342381 states. [2021-12-06 21:45:38,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342381 to 293470. [2021-12-06 21:45:39,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293470 states, 209225 states have (on average 1.383759111004899) internal successors, (289517), 214563 states have internal predecessors, (289517), 69748 states have call successors, (69748), 14433 states have call predecessors, (69748), 14496 states have return successors, (69939), 67989 states have call predecessors, (69939), 69747 states have call successors, (69939) [2021-12-06 21:45:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293470 states to 293470 states and 429204 transitions. [2021-12-06 21:45:40,909 INFO L78 Accepts]: Start accepts. Automaton has 293470 states and 429204 transitions. Word has length 274 [2021-12-06 21:45:40,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:45:40,910 INFO L470 AbstractCegarLoop]: Abstraction has 293470 states and 429204 transitions. [2021-12-06 21:45:40,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 21:45:40,910 INFO L276 IsEmpty]: Start isEmpty. Operand 293470 states and 429204 transitions. [2021-12-06 21:45:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-06 21:45:40,918 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:45:40,919 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 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] [2021-12-06 21:45:40,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 21:45:40,919 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:45:40,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:45:40,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1944404389, now seen corresponding path program 1 times [2021-12-06 21:45:40,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:45:40,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369672777] [2021-12-06 21:45:40,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:45:40,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:45:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:45:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 21:45:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:45:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 21:45:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 21:45:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 21:45:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 21:45:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 21:45:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 21:45:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 21:45:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 21:45:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 21:45:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 21:45:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:45:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 21:45:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 21:45:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 21:45:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 21:45:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 21:45:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 21:45:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 21:45:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 21:45:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 21:45:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 21:45:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:45:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 21:45:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 21:45:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 21:45:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 21:45:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 21:45:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 21:45:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 21:45:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 21:45:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-06 21:45:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-06 21:45:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 21:45:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:45:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:41,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2021-12-06 21:45:41,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:45:41,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369672777] [2021-12-06 21:45:41,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369672777] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:45:41,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914942569] [2021-12-06 21:45:41,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:45:41,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:45:41,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:45:41,352 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:45:41,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 21:45:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:42,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 4905 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:45:42,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:45:42,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2021-12-06 21:45:42,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:45:42,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914942569] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:45:42,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:45:42,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-12-06 21:45:42,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602415605] [2021-12-06 21:45:42,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:45:42,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:45:42,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:45:42,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:45:42,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 21:45:42,621 INFO L87 Difference]: Start difference. First operand 293470 states and 429204 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-06 21:46:01,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:46:01,257 INFO L93 Difference]: Finished difference Result 877069 states and 1296300 transitions. [2021-12-06 21:46:01,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:46:01,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 281 [2021-12-06 21:46:01,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:46:04,627 INFO L225 Difference]: With dead ends: 877069 [2021-12-06 21:46:04,627 INFO L226 Difference]: Without dead ends: 583668 [2021-12-06 21:46:05,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 21:46:05,839 INFO L933 BasicCegarLoop]: 10886 mSDtfsCounter, 7865 mSDsluCounter, 7789 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7865 SdHoareTripleChecker+Valid, 18675 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:46:05,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7865 Valid, 18675 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 21:46:06,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583668 states. [2021-12-06 21:46:25,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583668 to 583125. [2021-12-06 21:46:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583125 states, 415891 states have (on average 1.3832302213801213) internal successors, (575273), 426441 states have internal predecessors, (575273), 138327 states have call successors, (138327), 28779 states have call predecessors, (138327), 28906 states have return successors, (152474), 134808 states have call predecessors, (152474), 138326 states have call successors, (152474) [2021-12-06 21:46:30,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583125 states to 583125 states and 866074 transitions. [2021-12-06 21:46:30,544 INFO L78 Accepts]: Start accepts. Automaton has 583125 states and 866074 transitions. Word has length 281 [2021-12-06 21:46:30,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:46:30,544 INFO L470 AbstractCegarLoop]: Abstraction has 583125 states and 866074 transitions. [2021-12-06 21:46:30,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-06 21:46:30,545 INFO L276 IsEmpty]: Start isEmpty. Operand 583125 states and 866074 transitions. [2021-12-06 21:46:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-06 21:46:30,552 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:46:30,552 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 7, 7, 7, 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] [2021-12-06 21:46:30,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-06 21:46:30,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9608ceeb-72ca-468a-8b11-07052ed68c2b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:46:30,754 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:46:30,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:46:30,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1344344078, now seen corresponding path program 1 times [2021-12-06 21:46:30,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:46:30,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242095001] [2021-12-06 21:46:30,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:46:30,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:46:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:30,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:46:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:30,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 21:46:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:46:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:30,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 21:46:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 21:46:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:30,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 21:46:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:30,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 21:46:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 21:46:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 21:46:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 21:46:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 21:46:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 21:46:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 21:46:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:46:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 21:46:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 21:46:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 21:46:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 21:46:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 21:46:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 21:46:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 21:46:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 21:46:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 21:46:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 21:46:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:46:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 21:46:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 21:46:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 21:46:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 21:46:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 21:46:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 21:46:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 21:46:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 21:46:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-06 21:46:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:46:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-06 21:46:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 21:46:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 21:46:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2021-12-06 21:46:31,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:46:31,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242095001] [2021-12-06 21:46:31,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242095001] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:46:31,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:46:31,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:46:31,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138165449] [2021-12-06 21:46:31,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:46:31,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 21:46:31,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:46:31,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:46:31,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:46:31,195 INFO L87 Difference]: Start difference. First operand 583125 states and 866074 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2021-12-06 21:46:44,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:53,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:57,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:58,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:47:00,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:47:06,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:47:34,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:47:34,020 INFO L93 Difference]: Finished difference Result 1258720 states and 1905878 transitions. [2021-12-06 21:47:34,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:47:34,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 278 [2021-12-06 21:47:34,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:47:38,667 INFO L225 Difference]: With dead ends: 1258720 [2021-12-06 21:47:38,668 INFO L226 Difference]: Without dead ends: 675543 [2021-12-06 21:47:41,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:47:41,495 INFO L933 BasicCegarLoop]: 7442 mSDtfsCounter, 3516 mSDsluCounter, 13029 mSDsCounter, 0 mSdLazyCounter, 6858 mSolverCounterSat, 3397 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 20471 SdHoareTripleChecker+Invalid, 10258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3397 IncrementalHoareTripleChecker+Valid, 6858 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time [2021-12-06 21:47:41,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3573 Valid, 20471 Invalid, 10258 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3397 Valid, 6858 Invalid, 3 Unknown, 0 Unchecked, 36.8s Time] [2021-12-06 21:47:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675543 states. [2021-12-06 21:48:05,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675543 to 611337. [2021-12-06 21:48:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611337 states, 437611 states have (on average 1.3843093523700272) internal successors, (605789), 449185 states have internal predecessors, (605789), 142095 states have call successors, (142095), 28651 states have call predecessors, (142095), 31630 states have return successors, (172018), 140368 states have call predecessors, (172018), 142094 states have call successors, (172018) [2021-12-06 21:48:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611337 states to 611337 states and 919902 transitions. [2021-12-06 21:48:10,723 INFO L78 Accepts]: Start accepts. Automaton has 611337 states and 919902 transitions. Word has length 278 [2021-12-06 21:48:10,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:48:10,724 INFO L470 AbstractCegarLoop]: Abstraction has 611337 states and 919902 transitions. [2021-12-06 21:48:10,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2021-12-06 21:48:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 611337 states and 919902 transitions. [2021-12-06 21:48:10,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-06 21:48:10,732 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:48:10,732 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 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] [2021-12-06 21:48:10,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 21:48:10,733 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:48:10,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:48:10,733 INFO L85 PathProgramCache]: Analyzing trace with hash -740273337, now seen corresponding path program 1 times [2021-12-06 21:48:10,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:48:10,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348431024] [2021-12-06 21:48:10,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:48:10,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:48:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:48:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 21:48:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:48:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 21:48:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 21:48:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 21:48:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 21:48:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 21:48:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 21:48:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 21:48:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 21:48:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 21:48:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 21:48:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:48:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 21:48:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 21:48:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 21:48:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 21:48:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 21:48:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 21:48:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:10,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 21:48:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 21:48:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 21:48:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 21:48:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:48:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 21:48:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 21:48:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 21:48:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 21:48:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 21:48:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 21:48:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 21:48:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 21:48:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-06 21:48:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 21:48:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-06 21:48:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 21:48:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-06 21:48:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-06 21:48:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-06 21:48:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked. [2021-12-06 21:48:11,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:48:11,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348431024] [2021-12-06 21:48:11,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348431024] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:48:11,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:48:11,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:48:11,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202101754] [2021-12-06 21:48:11,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:48:11,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:48:11,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:48:11,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:48:11,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:48:11,130 INFO L87 Difference]: Start difference. First operand 611337 states and 919902 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-06 21:48:17,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:48:22,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:48:24,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:48:32,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:00,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:52,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:49:52,772 INFO L93 Difference]: Finished difference Result 2109369 states and 3283750 transitions. [2021-12-06 21:49:52,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 21:49:52,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 285 [2021-12-06 21:49:52,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted.