./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.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_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/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_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/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_1ad40444-010e-4245-8bca-24c4f1ddc934/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 ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:36:45,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:36:45,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:36:45,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:36:45,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:36:45,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:36:45,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:36:45,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:36:45,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:36:45,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:36:45,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:36:45,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:36:45,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:36:45,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:36:45,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:36:45,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:36:45,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:36:45,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:36:45,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:36:45,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:36:45,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:36:45,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:36:45,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:36:45,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:36:45,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:36:45,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:36:45,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:36:45,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:36:45,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:36:45,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:36:45,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:36:45,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:36:45,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:36:45,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:36:45,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:36:45,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:36:45,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:36:45,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:36:45,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:36:45,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:36:45,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:36:45,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:36:45,233 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:36:45,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:36:45,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:36:45,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:36:45,235 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:36:45,235 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:36:45,235 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:36:45,236 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:36:45,236 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:36:45,236 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:36:45,236 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:36:45,236 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:36:45,236 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:36:45,237 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:36:45,237 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:36:45,237 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:36:45,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:36:45,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:36:45,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:36:45,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:36:45,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:36:45,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:36:45,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:36:45,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:36:45,239 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:36:45,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:36:45,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:36:45,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:36:45,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:36:45,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:36:45,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:36:45,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:36:45,241 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:36:45,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:36:45,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:36:45,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:36:45,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:36:45,242 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_1ad40444-010e-4245-8bca-24c4f1ddc934/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2021-11-12 23:36:45,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:36:45,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:36:45,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:36:45,538 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:36:45,539 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:36:45,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-12 23:36:45,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/data/dd5964216/64535bc6126647a49b08a725b9dea428/FLAGf2da45d67 [2021-11-12 23:36:46,633 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:36:46,634 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-12 23:36:46,713 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/data/dd5964216/64535bc6126647a49b08a725b9dea428/FLAGf2da45d67 [2021-11-12 23:36:46,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/data/dd5964216/64535bc6126647a49b08a725b9dea428 [2021-11-12 23:36:46,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:36:46,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:36:46,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:36:46,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:36:46,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:36:46,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:46" (1/1) ... [2021-11-12 23:36:46,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c799d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:46, skipping insertion in model container [2021-11-12 23:36:46,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:46" (1/1) ... [2021-11-12 23:36:46,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:36:47,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:36:49,440 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 23:36:49,447 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 23:36:49,480 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 23:36:49,491 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 23:36:49,556 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 23:36:49,558 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 23:36:49,560 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 23:36:49,561 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 23:36:49,591 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 23:36:49,642 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 23:36:49,663 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 23:36:49,666 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 23:36:49,669 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 23:36:49,694 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 23:36:49,724 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 23:36:49,747 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 23:36:49,749 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 23:36:49,769 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 23:36:49,772 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 23:36:49,773 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 23:36:49,787 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 23:36:49,806 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 23:36:49,807 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 23:36:49,814 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 23:36:49,821 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 23:36:49,909 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 23:36:49,910 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 23:36:49,916 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 23:36:49,924 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 23:36:49,927 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 23:36:49,928 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 23:36:49,929 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 23:36:49,930 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 23:36:49,946 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 23:36:49,985 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 23:36:49,986 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 23:36:49,987 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 23:36:51,566 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_1ad40444-010e-4245-8bca-24c4f1ddc934/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-11-12 23:36:51,569 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_1ad40444-010e-4245-8bca-24c4f1ddc934/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-11-12 23:36:51,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:36:51,710 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 23:36:51,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a138f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:51, skipping insertion in model container [2021-11-12 23:36:51,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:36:51,711 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:36:51,714 INFO L158 Benchmark]: Toolchain (without parser) took 4775.18ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 77.8MB in the beginning and 89.1MB in the end (delta: -11.3MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2021-11-12 23:36:51,715 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:36:51,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4769.42ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 77.4MB in the beginning and 89.1MB in the end (delta: -11.7MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2021-11-12 23:36:51,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4769.42ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 77.4MB in the beginning and 89.1MB in the end (delta: -11.7MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6110]: 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_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/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_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/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_1ad40444-010e-4245-8bca-24c4f1ddc934/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 ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:36:54,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:36:54,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:36:54,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:36:54,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:36:54,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:36:54,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:36:54,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:36:54,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:36:54,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:36:54,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:36:54,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:36:54,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:36:54,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:36:54,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:36:54,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:36:54,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:36:54,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:36:54,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:36:54,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:36:54,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:36:54,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:36:54,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:36:54,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:36:54,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:36:54,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:36:54,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:36:54,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:36:54,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:36:54,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:36:54,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:36:54,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:36:54,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:36:54,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:36:54,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:36:54,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:36:54,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:36:54,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:36:54,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:36:54,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:36:54,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:36:54,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:36:54,202 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:36:54,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:36:54,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:36:54,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:36:54,205 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:36:54,205 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:36:54,205 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:36:54,205 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:36:54,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:36:54,206 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:36:54,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:36:54,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:36:54,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:36:54,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:36:54,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:36:54,210 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:36:54,210 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:36:54,211 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:36:54,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:36:54,211 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:36:54,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:36:54,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:36:54,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:36:54,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:36:54,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:36:54,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:36:54,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:36:54,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:36:54,214 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:36:54,214 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:36:54,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:36:54,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:36:54,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:36:54,215 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_1ad40444-010e-4245-8bca-24c4f1ddc934/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2021-11-12 23:36:54,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:36:54,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:36:54,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:36:54,629 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:36:54,629 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:36:54,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-12 23:36:54,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/data/d714188b7/16cd577258884fa19659cc836c31d7ba/FLAG049f96432 [2021-11-12 23:36:55,945 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:36:55,946 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-12 23:36:56,032 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/data/d714188b7/16cd577258884fa19659cc836c31d7ba/FLAG049f96432 [2021-11-12 23:36:56,189 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/data/d714188b7/16cd577258884fa19659cc836c31d7ba [2021-11-12 23:36:56,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:36:56,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:36:56,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:36:56,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:36:56,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:36:56,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:56" (1/1) ... [2021-11-12 23:36:56,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b339a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:56, skipping insertion in model container [2021-11-12 23:36:56,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:56" (1/1) ... [2021-11-12 23:36:56,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:36:56,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:01,396 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_1ad40444-010e-4245-8bca-24c4f1ddc934/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-11-12 23:37:01,399 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_1ad40444-010e-4245-8bca-24c4f1ddc934/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-11-12 23:37:01,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:01,521 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:37:01,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:02,190 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_1ad40444-010e-4245-8bca-24c4f1ddc934/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-11-12 23:37:02,190 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_1ad40444-010e-4245-8bca-24c4f1ddc934/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-11-12 23:37:02,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:02,273 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:37:02,803 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_1ad40444-010e-4245-8bca-24c4f1ddc934/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-11-12 23:37:02,804 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_1ad40444-010e-4245-8bca-24c4f1ddc934/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-11-12 23:37:02,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:03,349 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:37:03,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03 WrapperNode [2021-11-12 23:37:03,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:03,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:03,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:37:03,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:37:03,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03" (1/1) ... [2021-11-12 23:37:03,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03" (1/1) ... [2021-11-12 23:37:03,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:03,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:37:03,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:37:03,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:37:03,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03" (1/1) ... [2021-11-12 23:37:03,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03" (1/1) ... [2021-11-12 23:37:04,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03" (1/1) ... [2021-11-12 23:37:04,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03" (1/1) ... [2021-11-12 23:37:04,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03" (1/1) ... [2021-11-12 23:37:04,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03" (1/1) ... [2021-11-12 23:37:04,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03" (1/1) ... [2021-11-12 23:37:04,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:37:04,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:37:04,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:37:04,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:37:04,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03" (1/1) ... [2021-11-12 23:37:04,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:04,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:37:04,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:37:04,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:37:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 23:37:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 23:37:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:37:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:37:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-12 23:37:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-12 23:37:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-11-12 23:37:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-11-12 23:37:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-11-12 23:37:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-11-12 23:37:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 23:37:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 23:37:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-12 23:37:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-12 23:37:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:37:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:37:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-12 23:37:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-12 23:37:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-11-12 23:37:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-11-12 23:37:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-11-12 23:37:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-11-12 23:37:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-12 23:37:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-12 23:37:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-11-12 23:37:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-11-12 23:37:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:37:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:37:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-12 23:37:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-12 23:37:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-11-12 23:37:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-11-12 23:37:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-11-12 23:37:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-11-12 23:37:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-12 23:37:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-12 23:37:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 23:37:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 23:37:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:37:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:37:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-11-12 23:37:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-11-12 23:37:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 23:37:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 23:37:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-11-12 23:37:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-11-12 23:37:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-11-12 23:37:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-11-12 23:37:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:37:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:37:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:37:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:37:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:37:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:37:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-12 23:37:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-12 23:37:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 23:37:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 23:37:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-12 23:37:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-12 23:37:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:37:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:37:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:37:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:37:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-12 23:37:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-12 23:37:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 23:37:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 23:37:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 23:37:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 23:37:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:37:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:37:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:37:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:37:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-12 23:37:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-12 23:37:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-12 23:37:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-12 23:37:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:37:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:37:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2021-11-12 23:37:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2021-11-12 23:37:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 23:37:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 23:37:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-11-12 23:37:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-11-12 23:37:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-11-12 23:37:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-11-12 23:37:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-12 23:37:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-12 23:37:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-11-12 23:37:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-11-12 23:37:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:37:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:37:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-12 23:37:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-12 23:37:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:37:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:37:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-11-12 23:37:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-11-12 23:37:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:37:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:37:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-11-12 23:37:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-11-12 23:37:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-12 23:37:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-12 23:37:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:37:04,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:37:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:37:04,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:37:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:37:04,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:37:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:37:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:37:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:37:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:37:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:37:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:37:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-11-12 23:37:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-11-12 23:37:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-11-12 23:37:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-11-12 23:37:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-12 23:37:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-12 23:37:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 23:37:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 23:37:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-11-12 23:37:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-11-12 23:37:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:37:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:37:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-11-12 23:37:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-11-12 23:37:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:37:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 23:37:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 23:37:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-12 23:37:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-12 23:37:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 23:37:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 23:37:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 23:37:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 23:37:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-12 23:37:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-12 23:37:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 23:37:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 23:37:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:37:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:37:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:37:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:37:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:37:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:37:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:37:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-12 23:37:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-12 23:37:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:37:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:37:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:37:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-12 23:37:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-12 23:37:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:37:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:37:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:37:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:37:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-12 23:37:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-12 23:37:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-11-12 23:37:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-11-12 23:37:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 23:37:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 23:37:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-11-12 23:37:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-11-12 23:37:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-12 23:37:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-12 23:37:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-11-12 23:37:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-11-12 23:37:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-12 23:37:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-12 23:37:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 23:37:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 23:37:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-11-12 23:37:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-11-12 23:37:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:37:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:37:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:37:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:37:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-11-12 23:37:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-11-12 23:37:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:37:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:37:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-11-12 23:37:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-11-12 23:37:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-11-12 23:37:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-11-12 23:37:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-12 23:37:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-12 23:37:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-11-12 23:37:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-11-12 23:37:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:37:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-12 23:37:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-12 23:37:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-11-12 23:37:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-11-12 23:37:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-11-12 23:37:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-11-12 23:37:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-12 23:37:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-12 23:37:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:37:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:37:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:37:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:37:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-11-12 23:37:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-11-12 23:37:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:37:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:37:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:37:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:37:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:37:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:37:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:37:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:37:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-12 23:37:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-12 23:37:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 23:37:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 23:37:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:37:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:37:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-12 23:37:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-12 23:37:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:37:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:37:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-12 23:37:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-12 23:37:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:37:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2021-11-12 23:37:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2021-11-12 23:37:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-12 23:37:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-12 23:37:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 23:37:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 23:37:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:37:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-11-12 23:37:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-11-12 23:37:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-11-12 23:37:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-11-12 23:37:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:37:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:37:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:37:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:37:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:37:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-12 23:37:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-12 23:37:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:37:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:37:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:37:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:37:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:37:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:37:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-12 23:37:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-12 23:37:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-12 23:37:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-12 23:37:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-12 23:37:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-12 23:37:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-11-12 23:37:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-11-12 23:37:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-12 23:37:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-12 23:37:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-12 23:37:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-12 23:37:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-11-12 23:37:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-11-12 23:37:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-11-12 23:37:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-11-12 23:37:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 23:37:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 23:37:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:37:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:37:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-12 23:37:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-12 23:37:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-11-12 23:37:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-11-12 23:37:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:37:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:37:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:37:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:37:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-11-12 23:37:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-11-12 23:37:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:37:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:37:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:37:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-11-12 23:37:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-11-12 23:37:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:37:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-12 23:37:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-12 23:37:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-12 23:37:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-12 23:37:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:37:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:37:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-11-12 23:37:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-11-12 23:37:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-11-12 23:37:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-11-12 23:37:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-11-12 23:37:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-11-12 23:37:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-12 23:37:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-12 23:37:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-11-12 23:37:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-11-12 23:37:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-11-12 23:37:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-11-12 23:37:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:37:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:37:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-12 23:37:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-12 23:37:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-12 23:37:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-12 23:37:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:37:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:37:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-11-12 23:37:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-11-12 23:37:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 23:37:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 23:37:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2021-11-12 23:37:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2021-11-12 23:37:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-11-12 23:37:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-11-12 23:37:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:37:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:37:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-12 23:37:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-12 23:37:13,712 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:39:14,765 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:39:14,922 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:39:14,923 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:39:14,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:39:14 BoogieIcfgContainer [2021-11-12 23:39:14,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:39:14,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:39:14,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:39:14,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:39:14,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:36:56" (1/3) ... [2021-11-12 23:39:14,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53407107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:39:14, skipping insertion in model container [2021-11-12 23:39:14,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:03" (2/3) ... [2021-11-12 23:39:14,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53407107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:39:14, skipping insertion in model container [2021-11-12 23:39:14,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:39:14" (3/3) ... [2021-11-12 23:39:14,938 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-12 23:39:14,943 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:39:14,943 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:39:15,005 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:39:15,011 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 23:39:15,011 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:39:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) [2021-11-12 23:39:15,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-12 23:39:15,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:15,140 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:39:15,141 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:39:15,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:15,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1368886202, now seen corresponding path program 1 times [2021-11-12 23:39:15,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:15,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450555734] [2021-11-12 23:39:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:15,194 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:15,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:15,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:15,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:39:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:58,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 5867 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:39:58,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:58,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-12 23:39:58,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-11-12 23:39:59,733 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:59,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450555734] [2021-11-12 23:39:59,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450555734] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:59,734 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:59,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:39:59,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174923229] [2021-11-12 23:39:59,737 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:59,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:39:59,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:59,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:39:59,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:39:59,777 INFO L87 Difference]: Start difference. First operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-12 23:40:02,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:40:18,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:18,263 INFO L93 Difference]: Finished difference Result 12052 states and 17627 transitions. [2021-11-12 23:40:18,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:18,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 256 [2021-11-12 23:40:18,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:18,369 INFO L225 Difference]: With dead ends: 12052 [2021-11-12 23:40:18,370 INFO L226 Difference]: Without dead ends: 8813 [2021-11-12 23:40:18,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:40:18,405 INFO L933 BasicCegarLoop]: 5968 mSDtfsCounter, 11370 mSDsluCounter, 7043 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 1535 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15833.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11370 SdHoareTripleChecker+Valid, 13011 SdHoareTripleChecker+Invalid, 3216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 94.54ms SdHoareTripleChecker+Time, 1535 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17527.97ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:18,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11370 Valid, 13011 Invalid, 3216 Unknown, 0 Unchecked, 94.54ms Time], IncrementalHoareTripleChecker [1535 Valid, 1680 Invalid, 1 Unknown, 0 Unchecked, 17527.97ms Time] [2021-11-12 23:40:18,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8813 states. [2021-11-12 23:40:18,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8813 to 8807. [2021-11-12 23:40:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8807 states, 6175 states have (on average 1.3379757085020243) internal successors, (8262), 6375 states have internal predecessors, (8262), 2193 states have call successors, (2193), 438 states have call predecessors, (2193), 438 states have return successors, (2193), 2146 states have call predecessors, (2193), 2193 states have call successors, (2193) [2021-11-12 23:40:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8807 states to 8807 states and 12648 transitions. [2021-11-12 23:40:19,078 INFO L78 Accepts]: Start accepts. Automaton has 8807 states and 12648 transitions. Word has length 256 [2021-11-12 23:40:19,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:19,083 INFO L470 AbstractCegarLoop]: Abstraction has 8807 states and 12648 transitions. [2021-11-12 23:40:19,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-12 23:40:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 8807 states and 12648 transitions. [2021-11-12 23:40:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-12 23:40:19,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:19,104 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:40:19,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:19,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:19,328 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:40:19,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:19,329 INFO L85 PathProgramCache]: Analyzing trace with hash -487339350, now seen corresponding path program 1 times [2021-11-12 23:40:19,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:19,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740992299] [2021-11-12 23:40:19,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:19,355 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:19,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:19,356 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:19,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:41:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:01,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 5868 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:41:01,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-12 23:41:02,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-11-12 23:41:03,500 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:03,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740992299] [2021-11-12 23:41:03,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1740992299] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:03,501 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:03,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:41:03,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328885983] [2021-11-12 23:41:03,502 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:03,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:41:03,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:03,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:41:03,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:41:03,505 INFO L87 Difference]: Start difference. First operand 8807 states and 12648 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-12 23:41:06,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:41:22,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:22,743 INFO L93 Difference]: Finished difference Result 33741 states and 48548 transitions. [2021-11-12 23:41:22,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:22,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 257 [2021-11-12 23:41:22,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:22,978 INFO L225 Difference]: With dead ends: 33741 [2021-11-12 23:41:22,978 INFO L226 Difference]: Without dead ends: 24973 [2021-11-12 23:41:23,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:41:23,050 INFO L933 BasicCegarLoop]: 6765 mSDtfsCounter, 10310 mSDsluCounter, 6790 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 1261 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16688.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10310 SdHoareTripleChecker+Valid, 13555 SdHoareTripleChecker+Invalid, 2939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 59.34ms SdHoareTripleChecker+Time, 1261 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18296.04ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:23,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10310 Valid, 13555 Invalid, 2939 Unknown, 0 Unchecked, 59.34ms Time], IncrementalHoareTripleChecker [1261 Valid, 1677 Invalid, 1 Unknown, 0 Unchecked, 18296.04ms Time] [2021-11-12 23:41:23,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24973 states. [2021-11-12 23:41:24,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24973 to 24957. [2021-11-12 23:41:24,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24957 states, 17425 states have (on average 1.3400286944045912) internal successors, (23350), 18021 states have internal predecessors, (23350), 6251 states have call successors, (6251), 1280 states have call predecessors, (6251), 1280 states have return successors, (6251), 6110 states have call predecessors, (6251), 6251 states have call successors, (6251) [2021-11-12 23:41:24,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24957 states to 24957 states and 35852 transitions. [2021-11-12 23:41:24,748 INFO L78 Accepts]: Start accepts. Automaton has 24957 states and 35852 transitions. Word has length 257 [2021-11-12 23:41:24,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:24,749 INFO L470 AbstractCegarLoop]: Abstraction has 24957 states and 35852 transitions. [2021-11-12 23:41:24,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-12 23:41:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 24957 states and 35852 transitions. [2021-11-12 23:41:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-12 23:41:24,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:24,764 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2021-11-12 23:41:24,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:24,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:24,988 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:41:24,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:24,993 INFO L85 PathProgramCache]: Analyzing trace with hash -982174440, now seen corresponding path program 1 times [2021-11-12 23:41:25,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:25,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16059529] [2021-11-12 23:41:25,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:25,007 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:25,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:25,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:25,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:42:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:08,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 5811 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:42:08,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2021-11-12 23:42:09,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-11-12 23:42:10,452 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:10,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16059529] [2021-11-12 23:42:10,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16059529] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:10,453 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:42:10,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:42:10,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984869700] [2021-11-12 23:42:10,454 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:10,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:42:10,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:10,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:42:10,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:42:10,457 INFO L87 Difference]: Start difference. First operand 24957 states and 35852 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-12 23:42:13,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:42:25,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:25,593 INFO L93 Difference]: Finished difference Result 96723 states and 139227 transitions. [2021-11-12 23:42:25,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:42:25,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 265 [2021-11-12 23:42:25,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:26,044 INFO L225 Difference]: With dead ends: 96723 [2021-11-12 23:42:26,044 INFO L226 Difference]: Without dead ends: 71805 [2021-11-12 23:42:26,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:42:26,187 INFO L933 BasicCegarLoop]: 5890 mSDtfsCounter, 8254 mSDsluCounter, 10706 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11895.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8254 SdHoareTripleChecker+Valid, 16596 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.35ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12842.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:26,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8254 Valid, 16596 Invalid, 1414 Unknown, 0 Unchecked, 44.35ms Time], IncrementalHoareTripleChecker [7 Valid, 1406 Invalid, 1 Unknown, 0 Unchecked, 12842.93ms Time] [2021-11-12 23:42:26,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71805 states. [2021-11-12 23:42:30,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71805 to 71765. [2021-11-12 23:42:30,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71765 states, 50141 states have (on average 1.3369099140424003) internal successors, (67034), 51839 states have internal predecessors, (67034), 17855 states have call successors, (17855), 3804 states have call predecessors, (17855), 3768 states have return successors, (18477), 17324 states have call predecessors, (18477), 17855 states have call successors, (18477) [2021-11-12 23:42:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71765 states to 71765 states and 103366 transitions. [2021-11-12 23:42:31,043 INFO L78 Accepts]: Start accepts. Automaton has 71765 states and 103366 transitions. Word has length 265 [2021-11-12 23:42:31,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:31,047 INFO L470 AbstractCegarLoop]: Abstraction has 71765 states and 103366 transitions. [2021-11-12 23:42:31,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-12 23:42:31,049 INFO L276 IsEmpty]: Start isEmpty. Operand 71765 states and 103366 transitions. [2021-11-12 23:42:31,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-12 23:42:31,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:31,076 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:31,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:31,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:31,300 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:42:31,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:31,301 INFO L85 PathProgramCache]: Analyzing trace with hash -432614603, now seen corresponding path program 1 times [2021-11-12 23:42:31,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:31,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55069959] [2021-11-12 23:42:31,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:31,327 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:31,328 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:31,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:43:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:16,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 5922 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:43:16,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2021-11-12 23:43:17,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2021-11-12 23:43:18,998 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:18,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55069959] [2021-11-12 23:43:18,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [55069959] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:18,999 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:18,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:43:18,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081054695] [2021-11-12 23:43:18,999 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:19,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:43:19,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:19,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:43:19,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:43:19,000 INFO L87 Difference]: Start difference. First operand 71765 states and 103366 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-12 23:43:22,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:43:26,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:26,785 INFO L93 Difference]: Finished difference Result 213101 states and 306930 transitions. [2021-11-12 23:43:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:43:26,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 284 [2021-11-12 23:43:26,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:28,061 INFO L225 Difference]: With dead ends: 213101 [2021-11-12 23:43:28,062 INFO L226 Difference]: Without dead ends: 141375 [2021-11-12 23:43:28,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:43:28,410 INFO L933 BasicCegarLoop]: 6197 mSDtfsCounter, 4200 mSDsluCounter, 4334 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3278.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4200 SdHoareTripleChecker+Valid, 10531 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.92ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3437.94ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:28,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4200 Valid, 10531 Invalid, 62 Unknown, 0 Unchecked, 16.92ms Time], IncrementalHoareTripleChecker [13 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 3437.94ms Time] [2021-11-12 23:43:28,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141375 states. [2021-11-12 23:43:35,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141375 to 141319. [2021-11-12 23:43:35,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141319 states, 98782 states have (on average 1.3355570852989411) internal successors, (131929), 102191 states have internal predecessors, (131929), 35081 states have call successors, (35081), 7527 states have call predecessors, (35081), 7455 states have return successors, (36285), 34005 states have call predecessors, (36285), 35081 states have call successors, (36285) [2021-11-12 23:43:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141319 states to 141319 states and 203295 transitions. [2021-11-12 23:43:36,768 INFO L78 Accepts]: Start accepts. Automaton has 141319 states and 203295 transitions. Word has length 284 [2021-11-12 23:43:36,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:36,769 INFO L470 AbstractCegarLoop]: Abstraction has 141319 states and 203295 transitions. [2021-11-12 23:43:36,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-12 23:43:36,770 INFO L276 IsEmpty]: Start isEmpty. Operand 141319 states and 203295 transitions. [2021-11-12 23:43:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-12 23:43:36,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:36,813 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 17, 17, 17, 17, 17, 17, 4, 4, 4, 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] [2021-11-12 23:43:37,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:43:37,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:37,041 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:43:37,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:37,042 INFO L85 PathProgramCache]: Analyzing trace with hash 592199636, now seen corresponding path program 1 times [2021-11-12 23:43:37,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:37,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237639061] [2021-11-12 23:43:37,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:37,073 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:37,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:37,075 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:37,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad40444-010e-4245-8bca-24c4f1ddc934/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:44:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:22,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 5950 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:44:22,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:44:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 1251 trivial. 0 not checked. [2021-11-12 23:44:23,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:44:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-11-12 23:44:24,602 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:44:24,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237639061] [2021-11-12 23:44:24,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237639061] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:24,603 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:24,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:44:24,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781382904] [2021-11-12 23:44:24,603 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:24,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:44:24,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:44:24,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:44:24,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:44:24,606 INFO L87 Difference]: Start difference. First operand 141319 states and 203295 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-12 23:44:27,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:44:49,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:49,689 INFO L93 Difference]: Finished difference Result 453305 states and 647897 transitions. [2021-11-12 23:44:49,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:44:49,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 304 [2021-11-12 23:44:49,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:51,961 INFO L225 Difference]: With dead ends: 453305 [2021-11-12 23:44:51,961 INFO L226 Difference]: Without dead ends: 312025 [2021-11-12 23:44:52,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:44:52,602 INFO L933 BasicCegarLoop]: 6171 mSDtfsCounter, 7788 mSDsluCounter, 7777 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12531.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7788 SdHoareTripleChecker+Valid, 13948 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.67ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13465.77ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:52,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7788 Valid, 13948 Invalid, 1553 Unknown, 0 Unchecked, 36.67ms Time], IncrementalHoareTripleChecker [13 Valid, 1539 Invalid, 1 Unknown, 0 Unchecked, 13465.77ms Time] [2021-11-12 23:44:52,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312025 states.