./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:07:40,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:07:40,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:07:40,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:07:40,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:07:40,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:07:40,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:07:40,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:07:40,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:07:40,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:07:40,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:07:40,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:07:40,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:07:40,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:07:40,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:07:40,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:07:40,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:07:40,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:07:40,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:07:40,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:07:40,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:07:40,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:07:40,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:07:40,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:07:40,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:07:40,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:07:40,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:07:40,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:07:40,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:07:40,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:07:40,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:07:40,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:07:40,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:07:40,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:07:40,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:07:40,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:07:40,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:07:40,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:07:40,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:07:40,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:07:40,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:07:40,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:07:40,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:07:40,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:07:40,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:07:40,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:07:40,270 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:07:40,270 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:07:40,271 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:07:40,271 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:07:40,271 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:07:40,272 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:07:40,272 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:07:40,272 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:07:40,272 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:07:40,273 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:07:40,273 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:07:40,273 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:07:40,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:07:40,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:07:40,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:07:40,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:07:40,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:07:40,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:07:40,276 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:07:40,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:07:40,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:07:40,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:07:40,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:07:40,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:07:40,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:07:40,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:07:40,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:07:40,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:07:40,278 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:07:40,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:07:40,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:07:40,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:07:40,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:07:40,279 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa [2021-11-12 23:07:40,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:07:40,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:07:40,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:07:40,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:07:40,621 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:07:40,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-12 23:07:40,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/data/b21884aa8/bc80a93f2cb14a54bacd8a35658ba397/FLAGeb1e82699 [2021-11-12 23:07:41,878 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:07:41,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-12 23:07:41,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/data/b21884aa8/bc80a93f2cb14a54bacd8a35658ba397/FLAGeb1e82699 [2021-11-12 23:07:42,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/data/b21884aa8/bc80a93f2cb14a54bacd8a35658ba397 [2021-11-12 23:07:42,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:07:42,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:07:42,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:42,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:07:42,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:07:42,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:42" (1/1) ... [2021-11-12 23:07:42,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f9cdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:42, skipping insertion in model container [2021-11-12 23:07:42,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:42" (1/1) ... [2021-11-12 23:07:42,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:07:42,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:07:45,542 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:45,551 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:45,560 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:46,301 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:46,303 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:46,566 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:48,174 WARN L228 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_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2021-11-12 23:07:48,179 WARN L228 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_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2021-11-12 23:07:48,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:07:48,343 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:07:48,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70458b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:48, skipping insertion in model container [2021-11-12 23:07:48,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:48,345 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:07:48,347 INFO L158 Benchmark]: Toolchain (without parser) took 6127.10ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 51.7MB in the beginning and 45.4MB in the end (delta: 6.3MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2021-11-12 23:07:48,348 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:07:48,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6121.45ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 51.7MB in the beginning and 45.4MB in the end (delta: 6.3MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2021-11-12 23:07:48,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6121.45ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 51.7MB in the beginning and 45.4MB in the end (delta: 6.3MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6617]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:07:50,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:07:50,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:07:50,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:07:50,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:07:50,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:07:50,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:07:50,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:07:50,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:07:51,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:07:51,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:07:51,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:07:51,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:07:51,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:07:51,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:07:51,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:07:51,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:07:51,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:07:51,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:07:51,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:07:51,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:07:51,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:07:51,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:07:51,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:07:51,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:07:51,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:07:51,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:07:51,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:07:51,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:07:51,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:07:51,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:07:51,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:07:51,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:07:51,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:07:51,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:07:51,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:07:51,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:07:51,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:07:51,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:07:51,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:07:51,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:07:51,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:07:51,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:07:51,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:07:51,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:07:51,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:07:51,146 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:07:51,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:07:51,147 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:07:51,147 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:07:51,147 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:07:51,148 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:07:51,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:07:51,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:07:51,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:07:51,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:07:51,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:07:51,152 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:07:51,152 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:07:51,152 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:07:51,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:07:51,153 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:07:51,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:07:51,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:07:51,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:07:51,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:07:51,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:07:51,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:07:51,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:07:51,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:07:51,155 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:07:51,155 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:07:51,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:07:51,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:07:51,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:07:51,156 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa [2021-11-12 23:07:51,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:07:51,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:07:51,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:07:51,624 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:07:51,624 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:07:51,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-12 23:07:51,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/data/f39e934f3/7bb979d838f54273aba102d1b1febbfa/FLAGf75ac08b4 [2021-11-12 23:07:53,089 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:07:53,090 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-12 23:07:53,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/data/f39e934f3/7bb979d838f54273aba102d1b1febbfa/FLAGf75ac08b4 [2021-11-12 23:07:53,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/data/f39e934f3/7bb979d838f54273aba102d1b1febbfa [2021-11-12 23:07:53,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:07:53,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:07:53,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:53,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:07:53,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:07:53,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:53" (1/1) ... [2021-11-12 23:07:53,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10fe45b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:53, skipping insertion in model container [2021-11-12 23:07:53,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:53" (1/1) ... [2021-11-12 23:07:53,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:07:53,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:07:59,897 WARN L228 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_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2021-11-12 23:07:59,901 WARN L228 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_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2021-11-12 23:07:59,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:08:00,087 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:08:00,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:08:00,841 WARN L228 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_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2021-11-12 23:08:00,842 WARN L228 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_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2021-11-12 23:08:00,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:08:00,971 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:08:01,599 WARN L228 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_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2021-11-12 23:08:01,599 WARN L228 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_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2021-11-12 23:08:01,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:08:02,346 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:08:02,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02 WrapperNode [2021-11-12 23:08:02,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:08:02,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:08:02,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:08:02,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:08:02,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02" (1/1) ... [2021-11-12 23:08:02,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02" (1/1) ... [2021-11-12 23:08:03,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:08:03,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:08:03,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:08:03,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:08:03,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02" (1/1) ... [2021-11-12 23:08:03,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02" (1/1) ... [2021-11-12 23:08:03,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02" (1/1) ... [2021-11-12 23:08:03,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02" (1/1) ... [2021-11-12 23:08:03,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02" (1/1) ... [2021-11-12 23:08:03,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02" (1/1) ... [2021-11-12 23:08:03,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02" (1/1) ... [2021-11-12 23:08:03,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:08:03,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:08:03,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:08:03,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:08:03,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02" (1/1) ... [2021-11-12 23:08:03,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:08:03,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:08:03,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:08:03,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:08:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:08:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:08:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-12 23:08:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-12 23:08:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2021-11-12 23:08:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2021-11-12 23:08:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 23:08:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 23:08:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2021-11-12 23:08:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2021-11-12 23:08:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:08:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:08:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-12 23:08:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-12 23:08:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2021-11-12 23:08:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2021-11-12 23:08:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2021-11-12 23:08:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2021-11-12 23:08:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2021-11-12 23:08:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2021-11-12 23:08:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2021-11-12 23:08:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2021-11-12 23:08:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2021-11-12 23:08:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2021-11-12 23:08:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2021-11-12 23:08:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2021-11-12 23:08:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:08:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:08:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-12 23:08:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-12 23:08:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-12 23:08:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-12 23:08:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2021-11-12 23:08:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2021-11-12 23:08:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2021-11-12 23:08:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2021-11-12 23:08:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:08:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:08:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:08:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:08:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:08:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:08:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 23:08:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 23:08:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2021-11-12 23:08:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2021-11-12 23:08:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:08:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:08:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:08:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:08:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 23:08:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 23:08:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2021-11-12 23:08:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2021-11-12 23:08:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:08:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-12 23:08:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-12 23:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-12 23:08:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-12 23:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-11-12 23:08:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-11-12 23:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2021-11-12 23:08:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2021-11-12 23:08:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:08:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:08:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:08:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2021-11-12 23:08:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2021-11-12 23:08:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2021-11-12 23:08:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2021-11-12 23:08:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-11-12 23:08:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-11-12 23:08:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:08:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:08:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2021-11-12 23:08:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2021-11-12 23:08:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2021-11-12 23:08:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2021-11-12 23:08:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2021-11-12 23:08:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2021-11-12 23:08:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2021-11-12 23:08:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2021-11-12 23:08:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2021-11-12 23:08:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2021-11-12 23:08:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:08:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:08:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2021-11-12 23:08:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2021-11-12 23:08:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:08:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:08:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2021-11-12 23:08:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2021-11-12 23:08:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2021-11-12 23:08:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2021-11-12 23:08:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:08:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:08:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2021-11-12 23:08:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2021-11-12 23:08:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:08:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:08:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:08:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:08:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2021-11-12 23:08:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2021-11-12 23:08:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:08:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:08:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-12 23:08:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-12 23:08:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:08:03,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:08:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:08:03,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:08:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2021-11-12 23:08:03,861 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2021-11-12 23:08:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-12 23:08:03,861 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-12 23:08:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2021-11-12 23:08:03,862 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2021-11-12 23:08:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:08:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 23:08:03,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 23:08:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 23:08:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 23:08:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2021-11-12 23:08:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2021-11-12 23:08:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-11-12 23:08:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-11-12 23:08:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:08:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:08:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:08:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:08:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:08:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:08:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:08:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:08:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:08:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:08:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2021-11-12 23:08:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2021-11-12 23:08:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2021-11-12 23:08:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2021-11-12 23:08:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-12 23:08:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-12 23:08:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:08:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:08:03,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-12 23:08:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-12 23:08:03,868 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2021-11-12 23:08:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2021-11-12 23:08:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2021-11-12 23:08:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2021-11-12 23:08:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:08:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:08:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2021-11-12 23:08:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2021-11-12 23:08:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 23:08:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 23:08:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-12 23:08:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-12 23:08:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:08:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-12 23:08:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-12 23:08:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2021-11-12 23:08:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2021-11-12 23:08:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-12 23:08:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-12 23:08:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-12 23:08:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-12 23:08:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:08:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:08:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2021-11-12 23:08:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2021-11-12 23:08:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:08:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2021-11-12 23:08:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2021-11-12 23:08:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:08:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:08:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2021-11-12 23:08:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2021-11-12 23:08:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:08:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:08:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:08:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:08:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:08:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2021-11-12 23:08:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2021-11-12 23:08:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-11-12 23:08:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-11-12 23:08:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2021-11-12 23:08:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2021-11-12 23:08:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2021-11-12 23:08:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2021-11-12 23:08:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-12 23:08:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-12 23:08:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2021-11-12 23:08:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2021-11-12 23:08:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2021-11-12 23:08:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2021-11-12 23:08:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:08:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:08:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2021-11-12 23:08:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2021-11-12 23:08:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 23:08:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 23:08:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2021-11-12 23:08:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2021-11-12 23:08:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 23:08:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 23:08:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-12 23:08:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-12 23:08:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2021-11-12 23:08:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2021-11-12 23:08:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2021-11-12 23:08:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2021-11-12 23:08:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2021-11-12 23:08:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2021-11-12 23:08:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:08:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:08:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2021-11-12 23:08:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2021-11-12 23:08:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:08:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:08:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-12 23:08:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-12 23:08:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2021-11-12 23:08:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2021-11-12 23:08:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2021-11-12 23:08:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2021-11-12 23:08:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:08:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:08:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:08:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:08:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:08:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 23:08:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 23:08:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2021-11-12 23:08:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2021-11-12 23:08:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:08:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2021-11-12 23:08:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2021-11-12 23:08:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-12 23:08:03,888 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-12 23:08:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2021-11-12 23:08:03,888 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2021-11-12 23:08:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-12 23:08:03,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-12 23:08:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:08:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:08:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2021-11-12 23:08:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2021-11-12 23:08:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:08:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2021-11-12 23:08:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2021-11-12 23:08:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:08:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:08:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2021-11-12 23:08:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2021-11-12 23:08:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:08:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:08:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-12 23:08:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-12 23:08:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:08:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:08:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:08:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:08:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-12 23:08:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-12 23:08:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2021-11-12 23:08:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2021-11-12 23:08:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:08:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:08:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2021-11-12 23:08:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2021-11-12 23:08:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-11-12 23:08:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-11-12 23:08:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-12 23:08:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-12 23:08:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2021-11-12 23:08:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2021-11-12 23:08:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 23:08:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 23:08:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2021-11-12 23:08:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2021-11-12 23:08:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:08:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:08:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2021-11-12 23:08:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2021-11-12 23:08:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:08:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:08:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2021-11-12 23:08:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2021-11-12 23:08:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-12 23:08:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-12 23:08:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2021-11-12 23:08:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2021-11-12 23:08:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2021-11-12 23:08:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2021-11-12 23:08:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2021-11-12 23:08:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2021-11-12 23:08:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-12 23:08:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-12 23:08:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:08:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:08:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2021-11-12 23:08:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2021-11-12 23:08:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:08:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:08:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:08:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:08:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:08:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:08:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2021-11-12 23:08:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2021-11-12 23:08:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2021-11-12 23:08:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2021-11-12 23:08:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2021-11-12 23:08:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2021-11-12 23:08:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2021-11-12 23:08:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2021-11-12 23:08:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2021-11-12 23:08:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2021-11-12 23:08:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2021-11-12 23:08:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2021-11-12 23:08:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 23:08:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 23:08:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2021-11-12 23:08:03,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2021-11-12 23:08:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2021-11-12 23:08:03,905 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2021-11-12 23:08:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2021-11-12 23:08:03,905 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2021-11-12 23:08:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2021-11-12 23:08:03,906 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2021-11-12 23:08:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2021-11-12 23:08:03,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2021-11-12 23:08:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2021-11-12 23:08:03,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2021-11-12 23:08:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-12 23:08:03,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-12 23:08:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2021-11-12 23:08:03,907 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2021-11-12 23:08:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2021-11-12 23:08:03,908 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2021-11-12 23:08:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2021-11-12 23:08:03,908 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2021-11-12 23:08:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2021-11-12 23:08:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2021-11-12 23:08:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:08:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:08:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:08:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:08:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2021-11-12 23:08:03,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2021-11-12 23:08:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2021-11-12 23:08:03,910 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2021-11-12 23:08:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2021-11-12 23:08:03,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2021-11-12 23:08:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-12 23:08:03,911 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-12 23:08:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 23:08:03,911 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 23:08:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2021-11-12 23:08:03,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2021-11-12 23:08:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:08:03,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:08:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2021-11-12 23:08:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2021-11-12 23:08:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-12 23:08:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-12 23:08:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2021-11-12 23:08:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2021-11-12 23:08:09,272 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:10:05,272 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:10:05,706 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:10:05,707 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-12 23:10:05,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:10:05 BoogieIcfgContainer [2021-11-12 23:10:05,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:10:05,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:10:05,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:10:05,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:10:05,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:07:53" (1/3) ... [2021-11-12 23:10:05,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc04063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:10:05, skipping insertion in model container [2021-11-12 23:10:05,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:02" (2/3) ... [2021-11-12 23:10:05,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc04063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:10:05, skipping insertion in model container [2021-11-12 23:10:05,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:10:05" (3/3) ... [2021-11-12 23:10:05,729 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-12 23:10:05,734 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:10:05,735 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:10:05,806 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:10:05,811 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:10:05,811 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:10:05,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) [2021-11-12 23:10:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-12 23:10:05,931 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:05,933 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:10:05,933 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:10:05,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:05,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1504166602, now seen corresponding path program 1 times [2021-11-12 23:10:05,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:05,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281208152] [2021-11-12 23:10:05,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:05,963 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:05,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:05,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:06,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:10:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:10:09,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 2833 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:10:09,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:11,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-12 23:10:11,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-12 23:10:13,090 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:10:13,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281208152] [2021-11-12 23:10:13,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281208152] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:10:13,092 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:10:13,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:10:13,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246685897] [2021-11-12 23:10:13,095 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:10:13,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:10:13,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:10:13,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:10:13,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:10:13,143 INFO L87 Difference]: Start difference. First operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-12 23:10:15,520 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:10:17,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:10:17,758 INFO L93 Difference]: Finished difference Result 8760 states and 12237 transitions. [2021-11-12 23:10:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:10:17,761 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), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 276 [2021-11-12 23:10:17,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:10:17,845 INFO L225 Difference]: With dead ends: 8760 [2021-11-12 23:10:17,845 INFO L226 Difference]: Without dead ends: 5541 [2021-11-12 23:10:17,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 549 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:10:17,884 INFO L933 BasicCegarLoop]: 5002 mSDtfsCounter, 3342 mSDsluCounter, 4293 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4041.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3342 SdHoareTripleChecker+Valid, 9295 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 49.06ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4164.74ms IncrementalHoareTripleChecker+Time [2021-11-12 23:10:17,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3342 Valid, 9295 Invalid, 116 Unknown, 0 Unchecked, 49.06ms Time], IncrementalHoareTripleChecker [7 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 4164.74ms Time] [2021-11-12 23:10:17,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5541 states. [2021-11-12 23:10:18,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5541 to 5537. [2021-11-12 23:10:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5537 states, 3915 states have (on average 1.284035759897829) internal successors, (5027), 4030 states have internal predecessors, (5027), 1295 states have call successors, (1295), 326 states have call predecessors, (1295), 326 states have return successors, (1300), 1268 states have call predecessors, (1300), 1295 states have call successors, (1300) [2021-11-12 23:10:18,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5537 states to 5537 states and 7622 transitions. [2021-11-12 23:10:18,387 INFO L78 Accepts]: Start accepts. Automaton has 5537 states and 7622 transitions. Word has length 276 [2021-11-12 23:10:18,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:10:18,392 INFO L470 AbstractCegarLoop]: Abstraction has 5537 states and 7622 transitions. [2021-11-12 23:10:18,392 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), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-12 23:10:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 5537 states and 7622 transitions. [2021-11-12 23:10:18,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-12 23:10:18,415 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:18,416 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:10:18,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:10:18,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:10:18,631 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:10:18,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:18,632 INFO L85 PathProgramCache]: Analyzing trace with hash 514018415, now seen corresponding path program 1 times [2021-11-12 23:10:18,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:18,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320598420] [2021-11-12 23:10:18,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:18,640 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:18,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:18,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:18,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:10:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:10:22,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 2919 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:10:22,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-12 23:10:23,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:25,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-11-12 23:10:25,476 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:10:25,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320598420] [2021-11-12 23:10:25,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320598420] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:10:25,476 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:10:25,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:10:25,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552232371] [2021-11-12 23:10:25,477 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:10:25,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:10:25,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:10:25,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:10:25,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:10:25,480 INFO L87 Difference]: Start difference. First operand 5537 states and 7622 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-12 23:10:27,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:10:49,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:10:49,412 INFO L93 Difference]: Finished difference Result 18957 states and 25921 transitions. [2021-11-12 23:10:49,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:10:49,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 285 [2021-11-12 23:10:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:10:49,548 INFO L225 Difference]: With dead ends: 18957 [2021-11-12 23:10:49,549 INFO L226 Difference]: Without dead ends: 13463 [2021-11-12 23:10:49,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:10:49,584 INFO L933 BasicCegarLoop]: 6583 mSDtfsCounter, 6844 mSDsluCounter, 8054 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22450.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6844 SdHoareTripleChecker+Valid, 14637 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 51.74ms SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23297.12ms IncrementalHoareTripleChecker+Time [2021-11-12 23:10:49,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6844 Valid, 14637 Invalid, 1369 Unknown, 0 Unchecked, 51.74ms Time], IncrementalHoareTripleChecker [47 Valid, 1321 Invalid, 1 Unknown, 0 Unchecked, 23297.12ms Time] [2021-11-12 23:10:49,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13463 states. [2021-11-12 23:10:50,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13463 to 13455. [2021-11-12 23:10:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13455 states, 9536 states have (on average 1.282718120805369) internal successors, (12232), 9806 states have internal predecessors, (12232), 3042 states have call successors, (3042), 876 states have call predecessors, (3042), 876 states have return successors, (3047), 2994 states have call predecessors, (3047), 3042 states have call successors, (3047) [2021-11-12 23:10:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13455 states to 13455 states and 18321 transitions. [2021-11-12 23:10:50,266 INFO L78 Accepts]: Start accepts. Automaton has 13455 states and 18321 transitions. Word has length 285 [2021-11-12 23:10:50,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:10:50,267 INFO L470 AbstractCegarLoop]: Abstraction has 13455 states and 18321 transitions. [2021-11-12 23:10:50,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-12 23:10:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 13455 states and 18321 transitions. [2021-11-12 23:10:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-12 23:10:50,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:50,279 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2021-11-12 23:10:50,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:10:50,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:10:50,506 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:10:50,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:50,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1775682955, now seen corresponding path program 1 times [2021-11-12 23:10:50,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:50,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [673987259] [2021-11-12 23:10:50,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:50,512 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:50,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:50,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:50,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:10:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:10:54,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 3077 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:10:54,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1542 trivial. 0 not checked. [2021-11-12 23:10:56,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:57,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2021-11-12 23:10:57,609 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:10:57,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [673987259] [2021-11-12 23:10:57,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [673987259] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:10:57,610 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:10:57,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:10:57,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991088618] [2021-11-12 23:10:57,610 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:10:57,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:10:57,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:10:57,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:10:57,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:10:57,613 INFO L87 Difference]: Start difference. First operand 13455 states and 18321 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-12 23:10:59,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:11:24,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:11:24,501 INFO L93 Difference]: Finished difference Result 49130 states and 66835 transitions. [2021-11-12 23:11:24,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:11:24,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 301 [2021-11-12 23:11:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:11:24,723 INFO L225 Difference]: With dead ends: 49130 [2021-11-12 23:11:24,723 INFO L226 Difference]: Without dead ends: 35718 [2021-11-12 23:11:24,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:11:24,790 INFO L933 BasicCegarLoop]: 6856 mSDtfsCounter, 11102 mSDsluCounter, 7036 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 1410 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24304.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11102 SdHoareTripleChecker+Valid, 13892 SdHoareTripleChecker+Invalid, 2833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 54.18ms SdHoareTripleChecker+Time, 1410 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25706.55ms IncrementalHoareTripleChecker+Time [2021-11-12 23:11:24,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11102 Valid, 13892 Invalid, 2833 Unknown, 0 Unchecked, 54.18ms Time], IncrementalHoareTripleChecker [1410 Valid, 1422 Invalid, 1 Unknown, 0 Unchecked, 25706.55ms Time] [2021-11-12 23:11:24,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35718 states. [2021-11-12 23:11:26,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35718 to 35686. [2021-11-12 23:11:26,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35686 states, 25266 states have (on average 1.2798622654951317) internal successors, (32337), 25977 states have internal predecessors, (32337), 8053 states have call successors, (8053), 2360 states have call predecessors, (8053), 2366 states have return successors, (8138), 7911 states have call predecessors, (8138), 8053 states have call successors, (8138) [2021-11-12 23:11:26,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35686 states to 35686 states and 48528 transitions. [2021-11-12 23:11:26,738 INFO L78 Accepts]: Start accepts. Automaton has 35686 states and 48528 transitions. Word has length 301 [2021-11-12 23:11:26,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:11:26,739 INFO L470 AbstractCegarLoop]: Abstraction has 35686 states and 48528 transitions. [2021-11-12 23:11:26,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-12 23:11:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 35686 states and 48528 transitions. [2021-11-12 23:11:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-12 23:11:26,756 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:26,756 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:11:26,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:11:26,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:11:26,970 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:11:26,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:26,971 INFO L85 PathProgramCache]: Analyzing trace with hash 390048257, now seen corresponding path program 1 times [2021-11-12 23:11:26,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:26,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519756078] [2021-11-12 23:11:26,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:26,976 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:26,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:26,978 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:27,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:11:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:30,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 3114 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:11:30,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1666 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 1542 trivial. 0 not checked. [2021-11-12 23:11:32,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1666 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2021-11-12 23:11:34,780 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:34,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519756078] [2021-11-12 23:11:34,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519756078] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:11:34,781 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:11:34,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:11:34,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786200364] [2021-11-12 23:11:34,781 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:34,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:11:34,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:34,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:11:34,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:11:34,783 INFO L87 Difference]: Start difference. First operand 35686 states and 48528 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-12 23:11:37,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:12:03,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:03,684 INFO L93 Difference]: Finished difference Result 142327 states and 193584 transitions. [2021-11-12 23:12:03,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:12:03,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 324 [2021-11-12 23:12:03,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:04,548 INFO L225 Difference]: With dead ends: 142327 [2021-11-12 23:12:04,549 INFO L226 Difference]: Without dead ends: 106684 [2021-11-12 23:12:04,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:12:04,689 INFO L933 BasicCegarLoop]: 6937 mSDtfsCounter, 10426 mSDsluCounter, 7105 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 1230 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24450.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10426 SdHoareTripleChecker+Valid, 14042 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.71ms SdHoareTripleChecker+Time, 1230 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25805.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:04,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10426 Valid, 14042 Invalid, 2720 Unknown, 0 Unchecked, 44.71ms Time], IncrementalHoareTripleChecker [1230 Valid, 1489 Invalid, 1 Unknown, 0 Unchecked, 25805.00ms Time] [2021-11-12 23:12:04,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106684 states. [2021-11-12 23:12:09,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106684 to 106608. [2021-11-12 23:12:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106608 states, 75424 states have (on average 1.2800567458633856) internal successors, (96547), 77605 states have internal predecessors, (96547), 24085 states have call successors, (24085), 7080 states have call predecessors, (24085), 7098 states have return successors, (24340), 23611 states have call predecessors, (24340), 24085 states have call successors, (24340) [2021-11-12 23:12:10,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106608 states to 106608 states and 144972 transitions. [2021-11-12 23:12:10,917 INFO L78 Accepts]: Start accepts. Automaton has 106608 states and 144972 transitions. Word has length 324 [2021-11-12 23:12:10,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:10,922 INFO L470 AbstractCegarLoop]: Abstraction has 106608 states and 144972 transitions. [2021-11-12 23:12:10,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-12 23:12:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 106608 states and 144972 transitions. [2021-11-12 23:12:10,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-12 23:12:10,962 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:10,962 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 19, 19, 19, 19, 19, 19, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:11,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:11,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:12:11,178 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:12:11,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:11,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1435076071, now seen corresponding path program 1 times [2021-11-12 23:12:11,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:11,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926931791] [2021-11-12 23:12:11,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:11,184 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:11,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:11,186 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:11,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:12:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:14,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 3142 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:12:14,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 1556 trivial. 0 not checked. [2021-11-12 23:12:17,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2021-11-12 23:12:18,927 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:18,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926931791] [2021-11-12 23:12:18,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926931791] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:18,927 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:18,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:12:18,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967810664] [2021-11-12 23:12:18,928 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:18,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:12:18,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:18,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:12:18,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:12:18,930 INFO L87 Difference]: Start difference. First operand 106608 states and 144972 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-12 23:12:21,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:12:49,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:49,309 INFO L93 Difference]: Finished difference Result 318747 states and 432921 transitions. [2021-11-12 23:12:49,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:12:49,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 344 [2021-11-12 23:12:49,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:50,668 INFO L225 Difference]: With dead ends: 318747 [2021-11-12 23:12:50,668 INFO L226 Difference]: Without dead ends: 212182 [2021-11-12 23:12:50,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:12:50,935 INFO L933 BasicCegarLoop]: 5117 mSDtfsCounter, 4727 mSDsluCounter, 7753 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22831.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4727 SdHoareTripleChecker+Valid, 12870 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 187.19ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23810.68ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:51,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4727 Valid, 12870 Invalid, 1505 Unknown, 0 Unchecked, 187.19ms Time], IncrementalHoareTripleChecker [13 Valid, 1491 Invalid, 1 Unknown, 0 Unchecked, 23810.68ms Time] [2021-11-12 23:12:51,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212182 states. [2021-11-12 23:12:59,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212182 to 212180. [2021-11-12 23:12:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212180 states, 150193 states have (on average 1.279500376182645) internal successors, (192172), 154454 states have internal predecessors, (192172), 47635 states have call successors, (47635), 14315 states have call predecessors, (47635), 14351 states have return successors, (48145), 46795 states have call predecessors, (48145), 47635 states have call successors, (48145) [2021-11-12 23:13:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212180 states to 212180 states and 287952 transitions. [2021-11-12 23:13:01,612 INFO L78 Accepts]: Start accepts. Automaton has 212180 states and 287952 transitions. Word has length 344 [2021-11-12 23:13:01,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:01,613 INFO L470 AbstractCegarLoop]: Abstraction has 212180 states and 287952 transitions. [2021-11-12 23:13:01,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-12 23:13:01,613 INFO L276 IsEmpty]: Start isEmpty. Operand 212180 states and 287952 transitions. [2021-11-12 23:13:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-12 23:13:01,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:01,648 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:01,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:01,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:01,863 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:13:01,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:01,863 INFO L85 PathProgramCache]: Analyzing trace with hash -157489606, now seen corresponding path program 1 times [2021-11-12 23:13:01,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:01,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055372726] [2021-11-12 23:13:01,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:01,870 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:01,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:01,871 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:01,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ac8fd6-bea9-4585-8934-a3bb75db61a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:13:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:05,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:13:05,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2021-11-12 23:13:08,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1812 trivial. 0 not checked. [2021-11-12 23:13:09,969 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:09,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055372726] [2021-11-12 23:13:09,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055372726] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:09,969 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:09,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:13:09,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563268809] [2021-11-12 23:13:09,970 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:09,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:13:09,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:09,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:13:09,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:13:09,972 INFO L87 Difference]: Start difference. First operand 212180 states and 287952 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) [2021-11-12 23:13:12,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:13:50,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:50,510 INFO L93 Difference]: Finished difference Result 588260 states and 797109 transitions. [2021-11-12 23:13:50,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:13:50,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) Word has length 362 [2021-11-12 23:13:50,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:52,428 INFO L225 Difference]: With dead ends: 588260 [2021-11-12 23:13:52,428 INFO L226 Difference]: Without dead ends: 376446