./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.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_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/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_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/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_a15871a3-f00b-4313-a1d6-d83d851de040/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 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:40:59,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:40:59,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:40:59,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:40:59,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:40:59,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:40:59,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:40:59,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:40:59,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:40:59,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:40:59,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:40:59,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:40:59,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:40:59,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:40:59,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:40:59,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:40:59,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:40:59,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:40:59,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:40:59,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:40:59,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:40:59,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:40:59,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:40:59,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:40:59,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:40:59,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:40:59,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:40:59,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:40:59,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:40:59,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:40:59,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:40:59,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:40:59,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:40:59,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:40:59,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:40:59,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:40:59,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:40:59,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:40:59,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:40:59,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:40:59,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:40:59,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:40:59,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:40:59,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:40:59,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:40:59,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:40:59,924 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:40:59,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:40:59,925 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:40:59,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:40:59,925 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:40:59,925 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:40:59,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:40:59,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:40:59,926 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:40:59,926 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:40:59,927 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:40:59,927 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:40:59,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:40:59,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:40:59,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:40:59,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:40:59,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:40:59,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:40:59,929 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:40:59,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:40:59,929 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:40:59,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:40:59,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:40:59,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:40:59,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:40:59,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:40:59,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:40:59,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:40:59,931 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:40:59,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:40:59,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:40:59,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:40:59,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:40:59,932 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_a15871a3-f00b-4313-a1d6-d83d851de040/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 [2021-11-13 02:41:00,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:41:00,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:41:00,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:41:00,360 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:41:00,361 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:41:00,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-11-13 02:41:00,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/data/6d86d4a6c/fcc47a46419043619d7f76cf8ccaf260/FLAGf54282373 [2021-11-13 02:41:01,751 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:41:01,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-11-13 02:41:01,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/data/6d86d4a6c/fcc47a46419043619d7f76cf8ccaf260/FLAGf54282373 [2021-11-13 02:41:01,886 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/data/6d86d4a6c/fcc47a46419043619d7f76cf8ccaf260 [2021-11-13 02:41:01,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:41:01,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:41:01,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:41:01,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:41:01,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:41:01,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:01" (1/1) ... [2021-11-13 02:41:01,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e042915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:01, skipping insertion in model container [2021-11-13 02:41:01,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:01" (1/1) ... [2021-11-13 02:41:01,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:41:02,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:41:03,909 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:41:04,460 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:41:05,829 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:41:05,830 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:41:05,842 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:41:05,844 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:41:05,849 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:41:05,852 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:41:06,723 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:41:07,926 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_a15871a3-f00b-4313-a1d6-d83d851de040/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2021-11-13 02:41:07,930 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_a15871a3-f00b-4313-a1d6-d83d851de040/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2021-11-13 02:41:07,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:41:08,051 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) [2021-11-13 02:41:08,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a856a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:08, skipping insertion in model container [2021-11-13 02:41:08,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:41:08,053 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:41:08,056 INFO L158 Benchmark]: Toolchain (without parser) took 6163.77ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 66.7MB in the beginning and 51.1MB in the end (delta: 15.6MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-11-13 02:41:08,057 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:41:08,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6160.87ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 66.7MB in the beginning and 51.8MB in the end (delta: 14.9MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-11-13 02:41:08,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6160.87ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 66.7MB in the beginning and 51.8MB in the end (delta: 14.9MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5326]: 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_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/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_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/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_a15871a3-f00b-4313-a1d6-d83d851de040/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 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:41:10,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:41:10,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:41:10,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:41:10,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:41:10,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:41:10,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:41:10,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:41:10,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:41:10,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:41:10,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:41:10,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:41:10,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:41:10,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:41:10,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:41:10,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:41:10,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:41:10,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:41:10,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:41:10,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:41:10,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:41:10,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:41:10,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:41:10,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:41:10,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:41:10,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:41:10,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:41:10,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:41:10,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:41:10,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:41:10,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:41:10,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:41:10,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:41:10,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:41:10,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:41:10,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:41:10,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:41:10,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:41:10,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:41:10,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:41:10,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:41:10,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:41:10,989 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:41:10,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:41:10,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:41:10,992 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:41:10,992 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:41:10,993 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:41:10,993 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:41:10,993 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:41:10,994 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:41:10,994 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:41:10,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:41:10,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:41:10,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:41:10,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:41:10,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:41:10,998 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:41:10,999 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:41:10,999 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:41:10,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:41:10,999 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:41:11,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:41:11,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:41:11,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:41:11,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:41:11,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:41:11,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:41:11,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:41:11,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:41:11,002 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:41:11,002 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:41:11,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:41:11,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:41:11,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:41:11,004 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_a15871a3-f00b-4313-a1d6-d83d851de040/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 [2021-11-13 02:41:11,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:41:11,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:41:11,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:41:11,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:41:11,628 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:41:11,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-11-13 02:41:11,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/data/5e3195863/b57f553312584c918128609193cb4043/FLAGa56260c2d [2021-11-13 02:41:13,132 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:41:13,133 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-11-13 02:41:13,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/data/5e3195863/b57f553312584c918128609193cb4043/FLAGa56260c2d [2021-11-13 02:41:13,710 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/data/5e3195863/b57f553312584c918128609193cb4043 [2021-11-13 02:41:13,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:41:13,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:41:13,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:41:13,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:41:13,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:41:13,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:13" (1/1) ... [2021-11-13 02:41:13,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a82561d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:13, skipping insertion in model container [2021-11-13 02:41:13,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:13" (1/1) ... [2021-11-13 02:41:13,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:41:14,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:41:19,616 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_a15871a3-f00b-4313-a1d6-d83d851de040/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2021-11-13 02:41:19,619 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_a15871a3-f00b-4313-a1d6-d83d851de040/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2021-11-13 02:41:19,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:41:19,783 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:41:19,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:41:20,543 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_a15871a3-f00b-4313-a1d6-d83d851de040/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2021-11-13 02:41:20,544 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_a15871a3-f00b-4313-a1d6-d83d851de040/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2021-11-13 02:41:20,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:41:20,605 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:41:21,375 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_a15871a3-f00b-4313-a1d6-d83d851de040/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2021-11-13 02:41:21,376 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_a15871a3-f00b-4313-a1d6-d83d851de040/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2021-11-13 02:41:21,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:41:21,735 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:41:21,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21 WrapperNode [2021-11-13 02:41:21,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:41:21,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:41:21,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:41:21,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:41:21,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21" (1/1) ... [2021-11-13 02:41:21,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21" (1/1) ... [2021-11-13 02:41:22,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:41:22,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:41:22,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:41:22,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:41:22,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21" (1/1) ... [2021-11-13 02:41:22,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21" (1/1) ... [2021-11-13 02:41:22,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21" (1/1) ... [2021-11-13 02:41:22,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21" (1/1) ... [2021-11-13 02:41:23,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21" (1/1) ... [2021-11-13 02:41:23,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21" (1/1) ... [2021-11-13 02:41:23,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21" (1/1) ... [2021-11-13 02:41:23,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:41:23,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:41:23,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:41:23,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:41:23,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21" (1/1) ... [2021-11-13 02:41:23,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:41:23,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:41:23,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:41:23,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:41:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-11-13 02:41:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-11-13 02:41:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2021-11-13 02:41:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2021-11-13 02:41:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-13 02:41:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-13 02:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 02:41:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 02:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-13 02:41:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-13 02:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2021-11-13 02:41:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2021-11-13 02:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 02:41:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 02:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-11-13 02:41:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-11-13 02:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-11-13 02:41:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-11-13 02:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:41:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 02:41:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 02:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 02:41:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 02:41:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-13 02:41:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-13 02:41:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 02:41:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 02:41:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-13 02:41:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-13 02:41:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-13 02:41:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-13 02:41:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-13 02:41:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-13 02:41:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-13 02:41:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-13 02:41:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 02:41:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 02:41:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 02:41:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 02:41:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 02:41:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 02:41:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-11-13 02:41:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-11-13 02:41:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 02:41:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 02:41:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-13 02:41:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-13 02:41:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 02:41:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 02:41:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 02:41:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 02:41:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 02:41:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 02:41:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-13 02:41:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-13 02:41:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:41:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-11-13 02:41:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-11-13 02:41:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 02:41:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2021-11-13 02:41:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2021-11-13 02:41:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:41:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:41:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:41:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-13 02:41:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-13 02:41:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-11-13 02:41:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-11-13 02:41:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 02:41:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 02:41:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-11-13 02:41:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-11-13 02:41:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-11-13 02:41:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-11-13 02:41:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2021-11-13 02:41:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2021-11-13 02:41:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2021-11-13 02:41:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2021-11-13 02:41:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-11-13 02:41:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-11-13 02:41:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 02:41:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 02:41:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 02:41:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 02:41:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 02:41:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 02:41:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-13 02:41:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-13 02:41:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 02:41:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 02:41:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-13 02:41:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-13 02:41:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 02:41:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 02:41:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 02:41:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 02:41:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 02:41:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 02:41:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 02:41:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 02:41:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 02:41:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 02:41:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2021-11-13 02:41:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2021-11-13 02:41:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-13 02:41:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-13 02:41:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 02:41:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 02:41:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-11-13 02:41:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-11-13 02:41:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-11-13 02:41:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-11-13 02:41:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:41:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 02:41:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 02:41:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 02:41:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 02:41:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-13 02:41:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-13 02:41:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-13 02:41:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-13 02:41:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 02:41:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 02:41:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 02:41:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 02:41:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:41:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-11-13 02:41:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-11-13 02:41:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-13 02:41:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-13 02:41:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 02:41:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 02:41:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-13 02:41:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-13 02:41:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:41:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:41:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 02:41:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-13 02:41:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-13 02:41:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-13 02:41:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-13 02:41:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2021-11-13 02:41:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2021-11-13 02:41:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 02:41:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 02:41:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-13 02:41:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-13 02:41:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 02:41:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 02:41:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 02:41:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 02:41:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-11-13 02:41:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-11-13 02:41:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 02:41:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 02:41:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 02:41:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2021-11-13 02:41:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2021-11-13 02:41:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:41:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:41:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2021-11-13 02:41:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2021-11-13 02:41:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:41:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:41:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:41:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 02:41:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:41:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 02:41:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 02:41:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 02:41:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-13 02:41:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-13 02:41:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 02:41:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 02:41:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-11-13 02:41:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-11-13 02:41:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 02:41:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 02:41:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-11-13 02:41:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-11-13 02:41:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-13 02:41:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-13 02:41:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 02:41:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 02:41:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-11-13 02:41:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-11-13 02:41:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-11-13 02:41:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-11-13 02:41:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-13 02:41:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-13 02:41:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-13 02:41:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-13 02:41:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-13 02:41:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-13 02:41:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 02:41:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 02:41:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 02:41:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 02:41:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2021-11-13 02:41:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2021-11-13 02:41:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-13 02:41:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-13 02:41:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 02:41:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 02:41:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:41:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-11-13 02:41:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-11-13 02:41:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 02:41:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 02:41:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:41:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-13 02:41:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-13 02:41:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-13 02:41:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-13 02:41:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:41:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-11-13 02:41:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-11-13 02:41:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:41:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 02:41:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:41:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:41:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-11-13 02:41:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-11-13 02:41:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-11-13 02:41:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-11-13 02:41:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-11-13 02:41:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-11-13 02:41:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 02:41:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 02:41:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-13 02:41:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-13 02:41:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2021-11-13 02:41:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2021-11-13 02:41:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 02:41:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 02:41:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-13 02:41:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-13 02:41:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-11-13 02:41:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-11-13 02:41:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-13 02:41:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-13 02:41:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-11-13 02:41:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-11-13 02:41:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84___0 [2021-11-13 02:41:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84___0 [2021-11-13 02:41:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2021-11-13 02:41:23,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2021-11-13 02:41:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2021-11-13 02:41:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2021-11-13 02:41:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 02:41:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 02:41:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 02:41:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 02:41:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 02:41:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 02:41:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 02:41:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 02:41:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 02:41:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 02:41:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 02:41:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 02:41:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-11-13 02:41:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-11-13 02:41:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 02:41:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 02:41:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 02:41:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 02:41:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2021-11-13 02:41:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2021-11-13 02:41:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-13 02:41:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-13 02:41:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-11-13 02:41:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-11-13 02:41:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 02:41:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 02:41:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2021-11-13 02:41:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2021-11-13 02:41:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-13 02:41:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-13 02:41:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 02:41:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 02:41:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-13 02:41:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-13 02:41:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-13 02:41:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-13 02:41:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-13 02:41:23,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-13 02:41:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-11-13 02:41:23,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-11-13 02:41:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-13 02:41:23,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-13 02:41:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-11-13 02:41:23,578 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-11-13 02:41:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2021-11-13 02:41:23,578 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2021-11-13 02:41:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 02:41:23,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 02:41:42,826 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 02:45:01,267 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 02:45:03,843 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:45:03,843 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 02:45:03,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:45:03 BoogieIcfgContainer [2021-11-13 02:45:03,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:45:03,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:45:03,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:45:03,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:45:03,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:41:13" (1/3) ... [2021-11-13 02:45:03,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222112f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:45:03, skipping insertion in model container [2021-11-13 02:45:03,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:21" (2/3) ... [2021-11-13 02:45:03,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222112f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:45:03, skipping insertion in model container [2021-11-13 02:45:03,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:45:03" (3/3) ... [2021-11-13 02:45:03,864 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-11-13 02:45:03,871 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:45:03,872 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:45:03,988 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:45:03,996 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 [2021-11-13 02:45:03,996 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:45:04,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 3501 states, 2413 states have (on average 1.3671777869871529) internal successors, (3299), 2512 states have internal predecessors, (3299), 955 states have call successors, (955), 134 states have call predecessors, (955), 133 states have return successors, (948), 903 states have call predecessors, (948), 948 states have call successors, (948) [2021-11-13 02:45:04,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-13 02:45:04,149 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:45:04,151 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:45:04,152 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:45:04,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:45:04,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1149132296, now seen corresponding path program 1 times [2021-11-13 02:45:04,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:45:04,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929143094] [2021-11-13 02:45:04,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:45:04,223 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:45:04,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:45:04,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:45:04,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:46:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:46:05,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 5676 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:46:05,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:46:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2021-11-13 02:46:06,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:46:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2021-11-13 02:46:07,812 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:46:07,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929143094] [2021-11-13 02:46:07,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929143094] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:46:07,814 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:46:07,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:46:07,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488364340] [2021-11-13 02:46:07,819 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:46:07,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:46:07,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:46:07,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:46:07,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:46:07,885 INFO L87 Difference]: Start difference. First operand has 3501 states, 2413 states have (on average 1.3671777869871529) internal successors, (3299), 2512 states have internal predecessors, (3299), 955 states have call successors, (955), 134 states have call predecessors, (955), 133 states have return successors, (948), 903 states have call predecessors, (948), 948 states have call successors, (948) Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-13 02:46:09,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:11,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:32,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:46:32,480 INFO L93 Difference]: Finished difference Result 11907 states and 17826 transitions. [2021-11-13 02:46:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:46:32,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 194 [2021-11-13 02:46:32,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:46:32,626 INFO L225 Difference]: With dead ends: 11907 [2021-11-13 02:46:32,627 INFO L226 Difference]: Without dead ends: 8338 [2021-11-13 02:46:32,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:46:32,680 INFO L933 BasicCegarLoop]: 7012 mSDtfsCounter, 10574 mSDsluCounter, 7211 mSDsCounter, 0 mSdLazyCounter, 1971 mSolverCounterSat, 1285 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21432.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10574 SdHoareTripleChecker+Valid, 14223 SdHoareTripleChecker+Invalid, 3257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 127.50ms SdHoareTripleChecker+Time, 1285 IncrementalHoareTripleChecker+Valid, 1971 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23556.49ms IncrementalHoareTripleChecker+Time [2021-11-13 02:46:32,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10574 Valid, 14223 Invalid, 3257 Unknown, 0 Unchecked, 127.50ms Time], IncrementalHoareTripleChecker [1285 Valid, 1971 Invalid, 1 Unknown, 0 Unchecked, 23556.49ms Time] [2021-11-13 02:46:32,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8338 states. [2021-11-13 02:46:33,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8338 to 8332. [2021-11-13 02:46:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8332 states, 5743 states have (on average 1.3644436705554588) internal successors, (7836), 5973 states have internal predecessors, (7836), 2258 states have call successors, (2258), 330 states have call predecessors, (2258), 330 states have return successors, (2258), 2152 states have call predecessors, (2258), 2258 states have call successors, (2258) [2021-11-13 02:46:33,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8332 states to 8332 states and 12352 transitions. [2021-11-13 02:46:34,006 INFO L78 Accepts]: Start accepts. Automaton has 8332 states and 12352 transitions. Word has length 194 [2021-11-13 02:46:34,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:46:34,013 INFO L470 AbstractCegarLoop]: Abstraction has 8332 states and 12352 transitions. [2021-11-13 02:46:34,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-13 02:46:34,013 INFO L276 IsEmpty]: Start isEmpty. Operand 8332 states and 12352 transitions. [2021-11-13 02:46:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-13 02:46:34,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:46:34,066 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:46:34,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:46:34,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:46:34,291 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:46:34,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:46:34,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1936131099, now seen corresponding path program 1 times [2021-11-13 02:46:34,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:46:34,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828866113] [2021-11-13 02:46:34,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:46:34,325 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:46:34,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:46:34,327 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:46:34,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:47:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:47:37,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 5779 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:47:37,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:47:38,968 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2021-11-13 02:47:38,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:47:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2021-11-13 02:47:40,023 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:47:40,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828866113] [2021-11-13 02:47:40,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [828866113] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:47:40,023 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:47:40,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:47:40,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76525257] [2021-11-13 02:47:40,024 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:47:40,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:47:40,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:47:40,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:47:40,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:47:40,028 INFO L87 Difference]: Start difference. First operand 8332 states and 12352 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, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-13 02:47:43,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:47:59,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:47:59,625 INFO L93 Difference]: Finished difference Result 32595 states and 48523 transitions. [2021-11-13 02:47:59,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:47:59,626 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, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 248 [2021-11-13 02:47:59,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:47:59,932 INFO L225 Difference]: With dead ends: 32595 [2021-11-13 02:47:59,932 INFO L226 Difference]: Without dead ends: 24294 [2021-11-13 02:48:00,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:48:00,019 INFO L933 BasicCegarLoop]: 6877 mSDtfsCounter, 9927 mSDsluCounter, 12039 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17174.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9927 SdHoareTripleChecker+Valid, 18916 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.83ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18510.50ms IncrementalHoareTripleChecker+Time [2021-11-13 02:48:00,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9927 Valid, 18916 Invalid, 1760 Unknown, 0 Unchecked, 57.83ms Time], IncrementalHoareTripleChecker [9 Valid, 1750 Invalid, 1 Unknown, 0 Unchecked, 18510.50ms Time] [2021-11-13 02:48:00,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24294 states. [2021-11-13 02:48:02,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24294 to 24278. [2021-11-13 02:48:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24278 states, 16781 states have (on average 1.3696442405101008) internal successors, (22984), 17457 states have internal predecessors, (22984), 6530 states have call successors, (6530), 980 states have call predecessors, (6530), 966 states have return successors, (6678), 6192 states have call predecessors, (6678), 6530 states have call successors, (6678) [2021-11-13 02:48:02,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24278 states to 24278 states and 36192 transitions. [2021-11-13 02:48:02,424 INFO L78 Accepts]: Start accepts. Automaton has 24278 states and 36192 transitions. Word has length 248 [2021-11-13 02:48:02,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:48:02,425 INFO L470 AbstractCegarLoop]: Abstraction has 24278 states and 36192 transitions. [2021-11-13 02:48:02,426 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-13 02:48:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 24278 states and 36192 transitions. [2021-11-13 02:48:02,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-13 02:48:02,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:48:02,457 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:48:02,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-13 02:48:02,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:48:02,670 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:48:02,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:48:02,671 INFO L85 PathProgramCache]: Analyzing trace with hash -2047130823, now seen corresponding path program 1 times [2021-11-13 02:48:02,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:48:02,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620031879] [2021-11-13 02:48:02,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:48:02,692 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:48:02,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:48:02,693 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:48:02,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:49:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:49:05,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 5769 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:49:05,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:49:06,365 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2021-11-13 02:49:06,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:49:07,414 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-11-13 02:49:07,415 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:49:07,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620031879] [2021-11-13 02:49:07,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1620031879] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:49:07,415 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:49:07,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 02:49:07,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605250146] [2021-11-13 02:49:07,416 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:49:07,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:49:07,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:49:07,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:49:07,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:49:07,418 INFO L87 Difference]: Start difference. First operand 24278 states and 36192 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-13 02:49:10,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:49:12,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:49:12,647 INFO L93 Difference]: Finished difference Result 71867 states and 107150 transitions. [2021-11-13 02:49:12,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:49:12,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 248 [2021-11-13 02:49:12,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:49:13,032 INFO L225 Difference]: With dead ends: 71867 [2021-11-13 02:49:13,033 INFO L226 Difference]: Without dead ends: 47620 [2021-11-13 02:49:13,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:49:13,190 INFO L933 BasicCegarLoop]: 6251 mSDtfsCounter, 5021 mSDsluCounter, 5091 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3480.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5021 SdHoareTripleChecker+Valid, 11342 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.11ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3675.19ms IncrementalHoareTripleChecker+Time [2021-11-13 02:49:13,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5021 Valid, 11342 Invalid, 29 Unknown, 0 Unchecked, 22.11ms Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 3675.19ms Time] [2021-11-13 02:49:13,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47620 states. [2021-11-13 02:49:17,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47620 to 47528. [2021-11-13 02:49:17,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47528 states, 32828 states have (on average 1.370963811380529) internal successors, (45006), 34186 states have internal predecessors, (45006), 12791 states have call successors, (12791), 1936 states have call predecessors, (12791), 1908 states have return successors, (13069), 12103 states have call predecessors, (13069), 12791 states have call successors, (13069) [2021-11-13 02:49:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47528 states to 47528 states and 70866 transitions. [2021-11-13 02:49:17,466 INFO L78 Accepts]: Start accepts. Automaton has 47528 states and 70866 transitions. Word has length 248 [2021-11-13 02:49:17,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:49:17,467 INFO L470 AbstractCegarLoop]: Abstraction has 47528 states and 70866 transitions. [2021-11-13 02:49:17,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-13 02:49:17,468 INFO L276 IsEmpty]: Start isEmpty. Operand 47528 states and 70866 transitions. [2021-11-13 02:49:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-13 02:49:17,540 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:49:17,541 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 13, 13, 13, 13, 13, 13, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:49:17,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:49:17,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:49:17,743 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:49:17,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:49:17,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1405757395, now seen corresponding path program 1 times [2021-11-13 02:49:17,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:49:17,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526392176] [2021-11-13 02:49:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:49:17,772 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:49:17,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:49:17,774 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:49:17,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:50:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:50:20,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 5801 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:50:20,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:50:21,892 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2021-11-13 02:50:21,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:50:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2021-11-13 02:50:22,994 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:50:22,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526392176] [2021-11-13 02:50:22,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526392176] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:50:22,994 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:50:22,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:50:22,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486719133] [2021-11-13 02:50:22,995 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:50:22,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:50:22,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:50:22,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:50:22,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:50:22,997 INFO L87 Difference]: Start difference. First operand 47528 states and 70866 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-13 02:50:24,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:50:26,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:50:49,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:50:49,707 INFO L93 Difference]: Finished difference Result 147968 states and 220624 transitions. [2021-11-13 02:50:49,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:50:49,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 272 [2021-11-13 02:50:49,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:50:50,793 INFO L225 Difference]: With dead ends: 147968 [2021-11-13 02:50:50,794 INFO L226 Difference]: Without dead ends: 100471 [2021-11-13 02:50:51,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:50:51,306 INFO L933 BasicCegarLoop]: 6639 mSDtfsCounter, 10318 mSDsluCounter, 8229 mSDsCounter, 0 mSdLazyCounter, 1863 mSolverCounterSat, 1176 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20512.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10318 SdHoareTripleChecker+Valid, 14868 SdHoareTripleChecker+Invalid, 3040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 50.75ms SdHoareTripleChecker+Time, 1176 IncrementalHoareTripleChecker+Valid, 1863 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22537.50ms IncrementalHoareTripleChecker+Time [2021-11-13 02:50:51,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10318 Valid, 14868 Invalid, 3040 Unknown, 0 Unchecked, 50.75ms Time], IncrementalHoareTripleChecker [1176 Valid, 1863 Invalid, 1 Unknown, 0 Unchecked, 22537.50ms Time] [2021-11-13 02:50:51,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100471 states. [2021-11-13 02:50:58,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100471 to 100467. [2021-11-13 02:50:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100467 states, 69401 states have (on average 1.3720263396781027) internal successors, (95220), 72245 states have internal predecessors, (95220), 26978 states have call successors, (26978), 4145 states have call predecessors, (26978), 4087 states have return successors, (27572), 25557 states have call predecessors, (27572), 26978 states have call successors, (27572) [2021-11-13 02:50:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100467 states to 100467 states and 149770 transitions. [2021-11-13 02:50:59,580 INFO L78 Accepts]: Start accepts. Automaton has 100467 states and 149770 transitions. Word has length 272 [2021-11-13 02:50:59,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:50:59,582 INFO L470 AbstractCegarLoop]: Abstraction has 100467 states and 149770 transitions. [2021-11-13 02:50:59,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-13 02:50:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 100467 states and 149770 transitions. [2021-11-13 02:50:59,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-13 02:50:59,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:50:59,679 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 13, 13, 13, 13, 13, 13, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:50:59,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 02:50:59,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:50:59,896 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:50:59,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:50:59,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1207445460, now seen corresponding path program 1 times [2021-11-13 02:50:59,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:50:59,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1750103900] [2021-11-13 02:50:59,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:50:59,924 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:50:59,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:50:59,926 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:50:59,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15871a3-f00b-4313-a1d6-d83d851de040/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:52:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:52:02,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 5858 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:52:02,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:52:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2021-11-13 02:52:03,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:52:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2021-11-13 02:52:04,961 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:52:04,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1750103900] [2021-11-13 02:52:04,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1750103900] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:52:04,962 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:52:04,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:52:04,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014717809] [2021-11-13 02:52:04,964 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:52:04,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:52:04,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:52:04,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:52:04,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:52:04,968 INFO L87 Difference]: Start difference. First operand 100467 states and 149770 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2021-11-13 02:52:06,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:52:08,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:52:34,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:52:34,320 INFO L93 Difference]: Finished difference Result 270475 states and 403539 transitions. [2021-11-13 02:52:34,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:52:34,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) Word has length 285 [2021-11-13 02:52:34,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:52:35,945 INFO L225 Difference]: With dead ends: 270475 [2021-11-13 02:52:35,945 INFO L226 Difference]: Without dead ends: 176071 [2021-11-13 02:52:36,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:52:36,760 INFO L933 BasicCegarLoop]: 8920 mSDtfsCounter, 8385 mSDsluCounter, 6506 mSDsCounter, 0 mSdLazyCounter, 1941 mSolverCounterSat, 649 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20417.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8385 SdHoareTripleChecker+Valid, 15426 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.85ms SdHoareTripleChecker+Time, 649 IncrementalHoareTripleChecker+Valid, 1941 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22277.18ms IncrementalHoareTripleChecker+Time [2021-11-13 02:52:36,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8385 Valid, 15426 Invalid, 2591 Unknown, 0 Unchecked, 44.85ms Time], IncrementalHoareTripleChecker [649 Valid, 1941 Invalid, 1 Unknown, 0 Unchecked, 22277.18ms Time] [2021-11-13 02:52:36,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176071 states.