./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs --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 1f86bd80e1dfdf8246d3fbc9ed5a7a7eb69a7621f24c545347c1a1ff0b611568 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:35:11,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:35:11,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:35:11,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:35:11,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:35:11,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:35:11,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:35:11,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:35:11,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:35:11,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:35:11,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:35:11,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:35:11,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:35:11,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:35:11,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:35:11,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:35:11,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:35:11,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:35:11,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:35:11,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:35:11,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:35:11,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:35:11,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:35:11,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:35:11,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:35:11,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:35:11,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:35:11,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:35:11,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:35:11,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:35:11,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:35:11,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:35:11,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:35:11,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:35:11,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:35:11,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:35:11,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:35:11,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:35:11,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:35:11,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:35:11,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:35:11,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:35:11,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:35:11,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:35:11,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:35:11,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:35:11,185 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:35:11,185 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:35:11,185 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:35:11,186 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:35:11,186 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:35:11,186 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:35:11,187 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:35:11,188 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:35:11,188 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:35:11,188 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:35:11,188 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:35:11,189 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:35:11,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:35:11,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:35:11,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:35:11,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:35:11,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:35:11,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:35:11,191 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:35:11,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:35:11,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:35:11,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:35:11,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:35:11,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:35:11,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:35:11,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:35:11,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:35:11,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:35:11,195 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:35:11,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:35:11,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:35:11,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:35:11,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:35:11,196 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_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f86bd80e1dfdf8246d3fbc9ed5a7a7eb69a7621f24c545347c1a1ff0b611568 [2021-11-19 14:35:11,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:35:11,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:35:11,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:35:11,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:35:11,455 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:35:11,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 14:35:11,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/data/b5fa73455/ed6a5487922746e5af3973f754bf2191/FLAGe87096c06 [2021-11-19 14:35:12,770 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:35:12,770 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 14:35:12,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/data/b5fa73455/ed6a5487922746e5af3973f754bf2191/FLAGe87096c06 [2021-11-19 14:35:13,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/data/b5fa73455/ed6a5487922746e5af3973f754bf2191 [2021-11-19 14:35:13,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:35:13,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:35:13,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:35:13,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:35:13,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:35:13,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:13" (1/1) ... [2021-11-19 14:35:13,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d6fbee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:13, skipping insertion in model container [2021-11-19 14:35:13,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:13" (1/1) ... [2021-11-19 14:35:13,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:35:13,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:35:19,371 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:35:19,372 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:35:19,372 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:35:19,374 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:35:19,377 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:35:19,378 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:35:19,397 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:35:19,601 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:35:19,627 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:35:25,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[950924,950937] [2021-11-19 14:35:25,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[951069,951082] [2021-11-19 14:35:25,709 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:35:25,833 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) [2021-11-19 14:35:25,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@84fd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:25, skipping insertion in model container [2021-11-19 14:35:25,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:35:25,834 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:35:25,837 INFO L158 Benchmark]: Toolchain (without parser) took 12412.26ms. Allocated memory was 138.4MB in the beginning and 272.6MB in the end (delta: 134.2MB). Free memory was 100.9MB in the beginning and 167.0MB in the end (delta: -66.2MB). Peak memory consumption was 161.8MB. Max. memory is 16.1GB. [2021-11-19 14:35:25,838 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 42.1MB in the beginning and 42.1MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:35:25,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 12409.79ms. Allocated memory was 138.4MB in the beginning and 272.6MB in the end (delta: 134.2MB). Free memory was 100.9MB in the beginning and 167.0MB in the end (delta: -66.2MB). Peak memory consumption was 161.8MB. Max. memory is 16.1GB. [2021-11-19 14:35:25,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 42.1MB in the beginning and 42.1MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 12409.79ms. Allocated memory was 138.4MB in the beginning and 272.6MB in the end (delta: 134.2MB). Free memory was 100.9MB in the beginning and 167.0MB in the end (delta: -66.2MB). Peak memory consumption was 161.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7632]: 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_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs --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 1f86bd80e1dfdf8246d3fbc9ed5a7a7eb69a7621f24c545347c1a1ff0b611568 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:35:28,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:35:28,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:35:28,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:35:28,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:35:28,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:35:28,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:35:28,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:35:28,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:35:28,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:35:28,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:35:28,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:35:28,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:35:28,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:35:28,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:35:28,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:35:28,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:35:28,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:35:28,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:35:28,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:35:28,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:35:28,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:35:28,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:35:28,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:35:28,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:35:28,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:35:28,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:35:28,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:35:28,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:35:28,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:35:28,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:35:28,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:35:28,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:35:28,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:35:28,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:35:28,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:35:28,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:35:28,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:35:28,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:35:28,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:35:28,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:35:28,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:35:28,349 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:35:28,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:35:28,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:35:28,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:35:28,352 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:35:28,352 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:35:28,352 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:35:28,352 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:35:28,353 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:35:28,353 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:35:28,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:35:28,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:35:28,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:35:28,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:35:28,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:35:28,357 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:35:28,357 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:35:28,357 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:35:28,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:35:28,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:35:28,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:35:28,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:35:28,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:35:28,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:35:28,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:35:28,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:35:28,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:35:28,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:35:28,360 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:35:28,360 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:35:28,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:35:28,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:35:28,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:35:28,361 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_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f86bd80e1dfdf8246d3fbc9ed5a7a7eb69a7621f24c545347c1a1ff0b611568 [2021-11-19 14:35:28,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:35:28,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:35:28,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:35:28,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:35:28,800 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:35:28,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 14:35:28,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/data/e3feb4ab9/75dc1b78f62b489aa2f2c3b4fed7a41f/FLAGe7ae61356 [2021-11-19 14:35:30,321 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:35:30,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 14:35:30,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/data/e3feb4ab9/75dc1b78f62b489aa2f2c3b4fed7a41f/FLAGe7ae61356 [2021-11-19 14:35:30,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/data/e3feb4ab9/75dc1b78f62b489aa2f2c3b4fed7a41f [2021-11-19 14:35:30,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:35:30,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:35:30,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:35:30,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:35:30,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:35:30,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:30" (1/1) ... [2021-11-19 14:35:30,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4511909d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:30, skipping insertion in model container [2021-11-19 14:35:30,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:30" (1/1) ... [2021-11-19 14:35:30,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:35:31,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:35:42,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[950924,950937] [2021-11-19 14:35:42,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[951069,951082] [2021-11-19 14:35:42,658 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:35:42,797 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:35:43,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:35:44,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[950924,950937] [2021-11-19 14:35:44,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[951069,951082] [2021-11-19 14:35:44,012 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:35:44,126 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:35:45,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[950924,950937] [2021-11-19 14:35:45,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[951069,951082] [2021-11-19 14:35:45,252 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:35:46,085 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:35:46,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46 WrapperNode [2021-11-19 14:35:46,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:35:46,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:35:46,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:35:46,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:35:46,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46" (1/1) ... [2021-11-19 14:35:46,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46" (1/1) ... [2021-11-19 14:35:47,626 INFO L137 Inliner]: procedures = 881, calls = 16600, calls flagged for inlining = 427, calls inlined = 364, statements flattened = 28331 [2021-11-19 14:35:47,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:35:47,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:35:47,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:35:47,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:35:47,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46" (1/1) ... [2021-11-19 14:35:47,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46" (1/1) ... [2021-11-19 14:35:47,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46" (1/1) ... [2021-11-19 14:35:47,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46" (1/1) ... [2021-11-19 14:35:48,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46" (1/1) ... [2021-11-19 14:35:48,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46" (1/1) ... [2021-11-19 14:35:48,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46" (1/1) ... [2021-11-19 14:35:48,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:35:48,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:35:48,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:35:48,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:35:48,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46" (1/1) ... [2021-11-19 14:35:48,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:35:48,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:35:48,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:35:48,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:35:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2021-11-19 14:35:48,953 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2021-11-19 14:35:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-19 14:35:48,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-19 14:35:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2021-11-19 14:35:48,953 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2021-11-19 14:35:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2021-11-19 14:35:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2021-11-19 14:35:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-19 14:35:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-19 14:35:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-19 14:35:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-19 14:35:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2021-11-19 14:35:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2021-11-19 14:35:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:35:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:35:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-19 14:35:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-19 14:35:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2021-11-19 14:35:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2021-11-19 14:35:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:35:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:35:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 14:35:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 14:35:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2021-11-19 14:35:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2021-11-19 14:35:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 14:35:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 14:35:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2021-11-19 14:35:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2021-11-19 14:35:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2021-11-19 14:35:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2021-11-19 14:35:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-19 14:35:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-19 14:35:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:35:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:35:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:35:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:35:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:35:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:35:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 14:35:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 14:35:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2021-11-19 14:35:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2021-11-19 14:35:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2021-11-19 14:35:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2021-11-19 14:35:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-11-19 14:35:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-11-19 14:35:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-19 14:35:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-19 14:35:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 14:35:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 14:35:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:35:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:35:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_113 [2021-11-19 14:35:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_113 [2021-11-19 14:35:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2021-11-19 14:35:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2021-11-19 14:35:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2021-11-19 14:35:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2021-11-19 14:35:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-19 14:35:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-19 14:35:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2021-11-19 14:35:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2021-11-19 14:35:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:35:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:35:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2021-11-19 14:35:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2021-11-19 14:35:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:35:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:35:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2021-11-19 14:35:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2021-11-19 14:35:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 14:35:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 14:35:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_108 [2021-11-19 14:35:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_108 [2021-11-19 14:35:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2021-11-19 14:35:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2021-11-19 14:35:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2021-11-19 14:35:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2021-11-19 14:35:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-19 14:35:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-19 14:35:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:35:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:35:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2021-11-19 14:35:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2021-11-19 14:35:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:35:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:35:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2021-11-19 14:35:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2021-11-19 14:35:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-19 14:35:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-19 14:35:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2021-11-19 14:35:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2021-11-19 14:35:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:35:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:35:48,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:35:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:35:48,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:35:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-19 14:35:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-19 14:35:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2021-11-19 14:35:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2021-11-19 14:35:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:35:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:35:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:35:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:35:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:35:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:35:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2021-11-19 14:35:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2021-11-19 14:35:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:35:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-19 14:35:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-19 14:35:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2021-11-19 14:35:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2021-11-19 14:35:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-19 14:35:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-19 14:35:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2021-11-19 14:35:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2021-11-19 14:35:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:35:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:35:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2021-11-19 14:35:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2021-11-19 14:35:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:35:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:35:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-19 14:35:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-19 14:35:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-19 14:35:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-19 14:35:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 14:35:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 14:35:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2021-11-19 14:35:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2021-11-19 14:35:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2021-11-19 14:35:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2021-11-19 14:35:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-19 14:35:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-19 14:35:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:35:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:35:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2021-11-19 14:35:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2021-11-19 14:35:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-19 14:35:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-19 14:35:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2021-11-19 14:35:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2021-11-19 14:35:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2021-11-19 14:35:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2021-11-19 14:35:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 14:35:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 14:35:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2021-11-19 14:35:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2021-11-19 14:35:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:35:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2021-11-19 14:35:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2021-11-19 14:35:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 14:35:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 14:35:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 14:35:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:35:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:35:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2021-11-19 14:35:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2021-11-19 14:35:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-19 14:35:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-19 14:35:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-19 14:35:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-19 14:35:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:35:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:35:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:35:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:35:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2021-11-19 14:35:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2021-11-19 14:35:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2021-11-19 14:35:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2021-11-19 14:35:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-11-19 14:35:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-11-19 14:35:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-19 14:35:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-19 14:35:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2021-11-19 14:35:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2021-11-19 14:35:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-19 14:35:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-19 14:35:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-19 14:35:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-19 14:35:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:35:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:35:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:35:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_119 [2021-11-19 14:35:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_119 [2021-11-19 14:35:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2021-11-19 14:35:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2021-11-19 14:35:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:35:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-19 14:35:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-19 14:35:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2021-11-19 14:35:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2021-11-19 14:35:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2021-11-19 14:35:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2021-11-19 14:35:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2021-11-19 14:35:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2021-11-19 14:35:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2021-11-19 14:35:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2021-11-19 14:35:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2021-11-19 14:35:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2021-11-19 14:35:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-19 14:35:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-19 14:35:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2021-11-19 14:35:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2021-11-19 14:35:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:35:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:35:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 14:35:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 14:35:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2021-11-19 14:35:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2021-11-19 14:35:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:35:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:35:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2021-11-19 14:35:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2021-11-19 14:35:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-19 14:35:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-19 14:35:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2021-11-19 14:35:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2021-11-19 14:35:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2021-11-19 14:35:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2021-11-19 14:35:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-19 14:35:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-19 14:35:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-19 14:35:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-19 14:35:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2021-11-19 14:35:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2021-11-19 14:35:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2021-11-19 14:35:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2021-11-19 14:35:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-19 14:35:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-19 14:35:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:35:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:35:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:35:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:35:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:35:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:35:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:35:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:35:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2021-11-19 14:35:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2021-11-19 14:35:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:35:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:35:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2021-11-19 14:35:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2021-11-19 14:35:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 14:35:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 14:35:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2021-11-19 14:35:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2021-11-19 14:35:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2021-11-19 14:35:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2021-11-19 14:35:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2021-11-19 14:35:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2021-11-19 14:35:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-19 14:35:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-19 14:35:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2021-11-19 14:35:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2021-11-19 14:35:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2021-11-19 14:35:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2021-11-19 14:35:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:35:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:35:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-19 14:35:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-19 14:35:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2021-11-19 14:35:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2021-11-19 14:35:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 14:35:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-19 14:35:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-19 14:35:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2021-11-19 14:35:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2021-11-19 14:35:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 14:35:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 14:35:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:35:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:35:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-19 14:35:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-19 14:35:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2021-11-19 14:35:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2021-11-19 14:35:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:35:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:35:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2021-11-19 14:35:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2021-11-19 14:35:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2021-11-19 14:35:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2021-11-19 14:35:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2021-11-19 14:35:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2021-11-19 14:35:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 14:35:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 14:35:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-19 14:35:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-19 14:35:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-19 14:35:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-19 14:35:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 14:35:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 14:35:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2021-11-19 14:35:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2021-11-19 14:35:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2021-11-19 14:35:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2021-11-19 14:35:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2021-11-19 14:35:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2021-11-19 14:35:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2021-11-19 14:35:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2021-11-19 14:35:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-19 14:35:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-19 14:35:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:35:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:35:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 14:35:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 14:35:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:35:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:35:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:35:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:35:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-19 14:35:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-19 14:35:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:35:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:35:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:35:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:35:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2021-11-19 14:35:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2021-11-19 14:35:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:35:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2021-11-19 14:35:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2021-11-19 14:35:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2021-11-19 14:35:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2021-11-19 14:35:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2021-11-19 14:35:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2021-11-19 14:35:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2021-11-19 14:35:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2021-11-19 14:35:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:35:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:35:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2021-11-19 14:35:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2021-11-19 14:35:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2021-11-19 14:35:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2021-11-19 14:35:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:35:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:35:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 14:35:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 14:35:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2021-11-19 14:35:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2021-11-19 14:35:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:35:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:35:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2021-11-19 14:35:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2021-11-19 14:35:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2021-11-19 14:35:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2021-11-19 14:35:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:35:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:35:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:35:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:35:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-19 14:35:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-19 14:35:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:35:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:35:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2021-11-19 14:35:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2021-11-19 14:35:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-19 14:35:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-19 14:35:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-19 14:35:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-19 14:35:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2021-11-19 14:35:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2021-11-19 14:35:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-19 14:35:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-19 14:35:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 14:35:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 14:35:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:35:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:35:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:35:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:35:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:35:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:35:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:35:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2021-11-19 14:35:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2021-11-19 14:35:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-19 14:35:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-19 14:35:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2021-11-19 14:35:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2021-11-19 14:35:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2021-11-19 14:35:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2021-11-19 14:35:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2021-11-19 14:35:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2021-11-19 14:35:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 14:35:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 14:35:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 14:35:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 14:35:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-19 14:35:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-19 14:35:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2021-11-19 14:35:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2021-11-19 14:35:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 14:35:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 14:35:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2021-11-19 14:35:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2021-11-19 14:35:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2021-11-19 14:35:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2021-11-19 14:35:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-19 14:35:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-19 14:35:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2021-11-19 14:35:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2021-11-19 14:35:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-19 14:35:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-19 14:35:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2021-11-19 14:35:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2021-11-19 14:35:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 14:35:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 14:35:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:35:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2021-11-19 14:35:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2021-11-19 14:35:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-19 14:35:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-19 14:35:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:35:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:35:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:35:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:35:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:35:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:35:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:35:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 14:35:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 14:35:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 14:35:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 14:35:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-19 14:35:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-19 14:35:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2021-11-19 14:35:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2021-11-19 14:35:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 14:35:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 14:35:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-19 14:35:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-19 14:35:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2021-11-19 14:35:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2021-11-19 14:35:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:35:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:35:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2021-11-19 14:35:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2021-11-19 14:35:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-19 14:35:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-19 14:35:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2021-11-19 14:35:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2021-11-19 14:35:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:35:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:35:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 14:35:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 14:35:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:35:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:35:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 14:35:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 14:35:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-19 14:35:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-19 14:35:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:35:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:35:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:35:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:35:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:35:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2021-11-19 14:35:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2021-11-19 14:35:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2021-11-19 14:35:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2021-11-19 14:35:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 14:35:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 14:35:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2021-11-19 14:35:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2021-11-19 14:35:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-19 14:35:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-19 14:35:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:35:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:35:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 14:35:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 14:35:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2021-11-19 14:35:49,118 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2021-11-19 14:35:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2021-11-19 14:35:49,118 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2021-11-19 14:35:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2021-11-19 14:35:49,118 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2021-11-19 14:35:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2021-11-19 14:35:49,118 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2021-11-19 14:35:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:35:49,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:35:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:35:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:35:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-19 14:35:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-19 14:35:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2021-11-19 14:35:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2021-11-19 14:35:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2021-11-19 14:35:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2021-11-19 14:35:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2021-11-19 14:35:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2021-11-19 14:35:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2021-11-19 14:35:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2021-11-19 14:35:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-19 14:35:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-19 14:35:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:35:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:35:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2021-11-19 14:35:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2021-11-19 14:35:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2021-11-19 14:35:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2021-11-19 14:35:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2021-11-19 14:35:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2021-11-19 14:35:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-11-19 14:35:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-11-19 14:35:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2021-11-19 14:35:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2021-11-19 14:35:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:35:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:35:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2021-11-19 14:35:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2021-11-19 14:35:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 14:35:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 14:35:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-19 14:35:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-19 14:35:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-19 14:35:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-19 14:35:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2021-11-19 14:35:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2021-11-19 14:35:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2021-11-19 14:35:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2021-11-19 14:35:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:35:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:35:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-19 14:35:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-19 14:35:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:35:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:35:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-19 14:35:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-19 14:35:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2021-11-19 14:35:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2021-11-19 14:35:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 14:35:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 14:35:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2021-11-19 14:35:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2021-11-19 14:35:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 14:35:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 14:35:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2021-11-19 14:35:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2021-11-19 14:35:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:35:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:35:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-19 14:35:51,233 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:35:51,240 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:36:10,350 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:42:32,557 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:42:33,037 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:42:33,101 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:42:33,101 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-19 14:42:33,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:33 BoogieIcfgContainer [2021-11-19 14:42:33,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:42:33,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:42:33,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:42:33,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:42:33,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:35:30" (1/3) ... [2021-11-19 14:42:33,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34aeeadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:42:33, skipping insertion in model container [2021-11-19 14:42:33,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:46" (2/3) ... [2021-11-19 14:42:33,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34aeeadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:42:33, skipping insertion in model container [2021-11-19 14:42:33,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:33" (3/3) ... [2021-11-19 14:42:33,132 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 14:42:33,138 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:42:33,139 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 14:42:33,229 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:42:33,241 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 [2021-11-19 14:42:33,242 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 14:42:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 8337 states, 5861 states have (on average 1.3535232895410338) internal successors, (7933), 5954 states have internal predecessors, (7933), 2222 states have call successors, (2222), 255 states have call predecessors, (2222), 254 states have return successors, (2216), 2208 states have call predecessors, (2216), 2216 states have call successors, (2216) [2021-11-19 14:42:33,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-19 14:42:33,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:42:33,453 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 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] [2021-11-19 14:42:33,453 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:42:33,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:42:33,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1518830413, now seen corresponding path program 1 times [2021-11-19 14:42:33,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:42:33,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159587218] [2021-11-19 14:42:33,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:42:33,509 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:42:33,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:42:33,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:42:33,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:42:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:42:53,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 10836 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:42:53,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2350 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 2281 trivial. 0 not checked. [2021-11-19 14:42:54,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:54,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2350 trivial. 0 not checked. [2021-11-19 14:42:54,851 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:42:54,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159587218] [2021-11-19 14:42:54,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159587218] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:42:54,852 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:42:54,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:42:54,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570525798] [2021-11-19 14:42:54,854 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:42:54,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:42:54,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:42:54,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:42:54,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:42:54,908 INFO L87 Difference]: Start difference. First operand has 8337 states, 5861 states have (on average 1.3535232895410338) internal successors, (7933), 5954 states have internal predecessors, (7933), 2222 states have call successors, (2222), 255 states have call predecessors, (2222), 254 states have return successors, (2216), 2208 states have call predecessors, (2216), 2216 states have call successors, (2216) Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-19 14:42:58,201 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 [] [2021-11-19 14:43:00,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:43:00,652 INFO L93 Difference]: Finished difference Result 22524 states and 33662 transitions. [2021-11-19 14:43:00,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:43:00,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 315 [2021-11-19 14:43:00,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:43:00,872 INFO L225 Difference]: With dead ends: 22524 [2021-11-19 14:43:00,873 INFO L226 Difference]: Without dead ends: 14144 [2021-11-19 14:43:00,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 627 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:43:01,003 INFO L933 BasicCegarLoop]: 13897 mSDtfsCounter, 8775 mSDsluCounter, 12118 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8775 SdHoareTripleChecker+Valid, 26015 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:43:01,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8775 Valid, 26015 Invalid, 140 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2021-11-19 14:43:01,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14144 states. [2021-11-19 14:43:02,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14144 to 14138. [2021-11-19 14:43:02,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14138 states, 9926 states have (on average 1.346866814426758) internal successors, (13369), 10074 states have internal predecessors, (13369), 3752 states have call successors, (3752), 459 states have call predecessors, (3752), 458 states have return successors, (3752), 3738 states have call predecessors, (3752), 3752 states have call successors, (3752) [2021-11-19 14:43:02,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14138 states to 14138 states and 20873 transitions. [2021-11-19 14:43:02,935 INFO L78 Accepts]: Start accepts. Automaton has 14138 states and 20873 transitions. Word has length 315 [2021-11-19 14:43:02,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:43:02,941 INFO L470 AbstractCegarLoop]: Abstraction has 14138 states and 20873 transitions. [2021-11-19 14:43:02,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-19 14:43:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 14138 states and 20873 transitions. [2021-11-19 14:43:02,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-19 14:43:02,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:43:02,962 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:43:03,175 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2021-11-19 14:43:03,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2021-11-19 14:43:03,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:43:03,257 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:43:03,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:43:03,258 INFO L85 PathProgramCache]: Analyzing trace with hash 807601673, now seen corresponding path program 1 times [2021-11-19 14:43:03,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:43:03,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009333443] [2021-11-19 14:43:03,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:43:03,277 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:43:03,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:43:03,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:43:03,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:43:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:43:24,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 10877 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:43:24,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:43:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 2277 trivial. 0 not checked. [2021-11-19 14:43:26,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:43:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2346 trivial. 0 not checked. [2021-11-19 14:43:27,212 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:43:27,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009333443] [2021-11-19 14:43:27,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009333443] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:43:27,213 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:43:27,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:43:27,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659253136] [2021-11-19 14:43:27,214 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:43:27,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:43:27,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:43:27,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:43:27,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:43:27,221 INFO L87 Difference]: Start difference. First operand 14138 states and 20873 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2021-11-19 14:43:30,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:44:03,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:44:03,403 INFO L93 Difference]: Finished difference Result 47323 states and 69861 transitions. [2021-11-19 14:44:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:44:03,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 315 [2021-11-19 14:44:03,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:44:03,886 INFO L225 Difference]: With dead ends: 47323 [2021-11-19 14:44:03,886 INFO L226 Difference]: Without dead ends: 33236 [2021-11-19 14:44:03,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:44:03,990 INFO L933 BasicCegarLoop]: 28108 mSDtfsCounter, 22528 mSDsluCounter, 25517 mSDsCounter, 0 mSdLazyCounter, 4473 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22528 SdHoareTripleChecker+Valid, 53625 SdHoareTripleChecker+Invalid, 4518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 4473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:44:03,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22528 Valid, 53625 Invalid, 4518 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [44 Valid, 4473 Invalid, 1 Unknown, 0 Unchecked, 34.6s Time] [2021-11-19 14:44:04,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33236 states. [2021-11-19 14:44:06,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33236 to 33224. [2021-11-19 14:44:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33224 states, 23232 states have (on average 1.34357782369146) internal successors, (31214), 23583 states have internal predecessors, (31214), 8903 states have call successors, (8903), 1088 states have call predecessors, (8903), 1087 states have return successors, (8903), 8869 states have call predecessors, (8903), 8903 states have call successors, (8903) [2021-11-19 14:44:06,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33224 states to 33224 states and 49020 transitions. [2021-11-19 14:44:06,852 INFO L78 Accepts]: Start accepts. Automaton has 33224 states and 49020 transitions. Word has length 315 [2021-11-19 14:44:06,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:44:06,854 INFO L470 AbstractCegarLoop]: Abstraction has 33224 states and 49020 transitions. [2021-11-19 14:44:06,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2021-11-19 14:44:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 33224 states and 49020 transitions. [2021-11-19 14:44:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-11-19 14:44:06,869 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:44:06,870 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:44:07,091 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2021-11-19 14:44:07,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:44:07,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:44:07,098 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:44:07,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:44:07,098 INFO L85 PathProgramCache]: Analyzing trace with hash 689961146, now seen corresponding path program 1 times [2021-11-19 14:44:07,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:44:07,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974653239] [2021-11-19 14:44:07,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:44:07,108 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:44:07,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:44:07,109 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:44:07,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:44:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:44:25,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 11057 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:44:25,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:44:26,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2601 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 2436 trivial. 0 not checked. [2021-11-19 14:44:26,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:44:27,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2601 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2598 trivial. 0 not checked. [2021-11-19 14:44:27,785 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:44:27,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974653239] [2021-11-19 14:44:27,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974653239] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:44:27,787 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:44:27,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:44:27,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276724474] [2021-11-19 14:44:27,788 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:44:27,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:44:27,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:44:27,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:44:27,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:44:27,797 INFO L87 Difference]: Start difference. First operand 33224 states and 49020 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-19 14:44:30,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:44:32,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:44:32,975 INFO L93 Difference]: Finished difference Result 73577 states and 108576 transitions. [2021-11-19 14:44:32,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:44:32,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 407 [2021-11-19 14:44:32,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:44:33,202 INFO L225 Difference]: With dead ends: 73577 [2021-11-19 14:44:33,202 INFO L226 Difference]: Without dead ends: 40404 [2021-11-19 14:44:33,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 811 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:44:33,381 INFO L933 BasicCegarLoop]: 22446 mSDtfsCounter, 10340 mSDsluCounter, 12137 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10340 SdHoareTripleChecker+Valid, 34583 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:44:33,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10340 Valid, 34583 Invalid, 87 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 72 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 14:44:33,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40404 states. [2021-11-19 14:44:36,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40404 to 40398. [2021-11-19 14:44:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40398 states, 28271 states have (on average 1.3430724063527997) internal successors, (37970), 28698 states have internal predecessors, (37970), 10814 states have call successors, (10814), 1312 states have call predecessors, (10814), 1311 states have return successors, (10814), 10771 states have call predecessors, (10814), 10814 states have call successors, (10814) [2021-11-19 14:44:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40398 states to 40398 states and 59598 transitions. [2021-11-19 14:44:36,575 INFO L78 Accepts]: Start accepts. Automaton has 40398 states and 59598 transitions. Word has length 407 [2021-11-19 14:44:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:44:36,576 INFO L470 AbstractCegarLoop]: Abstraction has 40398 states and 59598 transitions. [2021-11-19 14:44:36,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-19 14:44:36,577 INFO L276 IsEmpty]: Start isEmpty. Operand 40398 states and 59598 transitions. [2021-11-19 14:44:36,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-11-19 14:44:36,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:44:36,588 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 23, 23, 23, 23, 23, 23, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:44:36,813 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2021-11-19 14:44:36,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:44:36,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:44:36,850 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:44:36,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:44:36,851 INFO L85 PathProgramCache]: Analyzing trace with hash 287186222, now seen corresponding path program 1 times [2021-11-19 14:44:36,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:44:36,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792850314] [2021-11-19 14:44:36,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:44:36,870 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:44:36,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:44:36,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:44:36,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:44:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:44:55,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 11193 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:44:55,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:44:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2890 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 2781 trivial. 0 not checked. [2021-11-19 14:44:56,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:44:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2890 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2021-11-19 14:44:57,592 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:44:57,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792850314] [2021-11-19 14:44:57,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792850314] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:44:57,592 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:44:57,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:44:57,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316088163] [2021-11-19 14:44:57,593 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:44:57,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:44:57,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:44:57,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:44:57,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:44:57,595 INFO L87 Difference]: Start difference. First operand 40398 states and 59598 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-19 14:45:01,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:45:03,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:45:03,237 INFO L93 Difference]: Finished difference Result 87911 states and 129708 transitions. [2021-11-19 14:45:03,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:45:03,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 481 [2021-11-19 14:45:03,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:45:03,691 INFO L225 Difference]: With dead ends: 87911 [2021-11-19 14:45:03,692 INFO L226 Difference]: Without dead ends: 47564 [2021-11-19 14:45:04,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 959 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:45:04,024 INFO L933 BasicCegarLoop]: 22570 mSDtfsCounter, 10358 mSDsluCounter, 12144 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10358 SdHoareTripleChecker+Valid, 34714 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:45:04,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10358 Valid, 34714 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 67 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-11-19 14:45:04,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47564 states. [2021-11-19 14:45:07,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47564 to 47558. [2021-11-19 14:45:07,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47558 states, 33300 states have (on average 1.3428228228228227) internal successors, (44716), 33803 states have internal predecessors, (44716), 12722 states have call successors, (12722), 1535 states have call predecessors, (12722), 1534 states have return successors, (12722), 12670 states have call predecessors, (12722), 12722 states have call successors, (12722) [2021-11-19 14:45:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47558 states to 47558 states and 70160 transitions. [2021-11-19 14:45:07,944 INFO L78 Accepts]: Start accepts. Automaton has 47558 states and 70160 transitions. Word has length 481 [2021-11-19 14:45:07,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:45:07,946 INFO L470 AbstractCegarLoop]: Abstraction has 47558 states and 70160 transitions. [2021-11-19 14:45:07,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-19 14:45:07,947 INFO L276 IsEmpty]: Start isEmpty. Operand 47558 states and 70160 transitions. [2021-11-19 14:45:07,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-11-19 14:45:07,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:45:07,958 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 23, 23, 23, 23, 23, 23, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:45:08,171 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forcibly destroying the process [2021-11-19 14:45:08,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:45:08,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:45:08,208 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:45:08,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:45:08,209 INFO L85 PathProgramCache]: Analyzing trace with hash -2131298256, now seen corresponding path program 1 times [2021-11-19 14:45:08,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:45:08,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537279898] [2021-11-19 14:45:08,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:08,223 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:45:08,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:45:08,224 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:45:08,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:45:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:45:26,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 11193 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:45:26,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:45:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2890 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 2781 trivial. 0 not checked. [2021-11-19 14:45:28,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:45:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2890 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2021-11-19 14:45:29,319 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:45:29,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537279898] [2021-11-19 14:45:29,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537279898] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:45:29,320 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:45:29,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:45:29,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020289080] [2021-11-19 14:45:29,321 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:45:29,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:45:29,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:45:29,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:45:29,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:45:29,323 INFO L87 Difference]: Start difference. First operand 47558 states and 70160 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-19 14:45:32,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:45:34,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:45:34,834 INFO L93 Difference]: Finished difference Result 106721 states and 157429 transitions. [2021-11-19 14:45:34,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:45:34,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 481 [2021-11-19 14:45:34,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:45:35,171 INFO L225 Difference]: With dead ends: 106721 [2021-11-19 14:45:35,172 INFO L226 Difference]: Without dead ends: 59214 [2021-11-19 14:45:35,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 959 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:45:35,531 INFO L933 BasicCegarLoop]: 22128 mSDtfsCounter, 11690 mSDsluCounter, 11116 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11690 SdHoareTripleChecker+Valid, 33244 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:45:35,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11690 Valid, 33244 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 14:45:35,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59214 states. [2021-11-19 14:45:38,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59214 to 59208. [2021-11-19 14:45:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59208 states, 41401 states have (on average 1.3422139561846331) internal successors, (55569), 42022 states have internal predecessors, (55569), 15872 states have call successors, (15872), 1934 states have call predecessors, (15872), 1933 states have return successors, (15872), 15809 states have call predecessors, (15872), 15872 states have call successors, (15872) [2021-11-19 14:45:39,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59208 states to 59208 states and 87313 transitions. [2021-11-19 14:45:39,501 INFO L78 Accepts]: Start accepts. Automaton has 59208 states and 87313 transitions. Word has length 481 [2021-11-19 14:45:39,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:45:39,504 INFO L470 AbstractCegarLoop]: Abstraction has 59208 states and 87313 transitions. [2021-11-19 14:45:39,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-19 14:45:39,504 INFO L276 IsEmpty]: Start isEmpty. Operand 59208 states and 87313 transitions. [2021-11-19 14:45:39,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-11-19 14:45:39,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:45:39,516 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 23, 23, 23, 23, 23, 23, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:45:39,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:45:39,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:45:39,740 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:45:39,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:45:39,741 INFO L85 PathProgramCache]: Analyzing trace with hash -558190451, now seen corresponding path program 1 times [2021-11-19 14:45:39,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:45:39,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590904010] [2021-11-19 14:45:39,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:39,749 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:45:39,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:45:39,750 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:45:39,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:45:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:45:59,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 11382 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:45:59,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:46:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 2924 trivial. 0 not checked. [2021-11-19 14:46:01,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:46:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 3139 trivial. 0 not checked. [2021-11-19 14:46:02,784 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:46:02,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590904010] [2021-11-19 14:46:02,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [590904010] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:46:02,784 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:46:02,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 14:46:02,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208268191] [2021-11-19 14:46:02,785 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:46:02,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:46:02,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:46:02,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:46:02,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:46:02,788 INFO L87 Difference]: Start difference. First operand 59208 states and 87313 transitions. Second operand has 6 states, 6 states have (on average 35.166666666666664) internal successors, (211), 6 states have internal predecessors, (211), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-19 14:46:07,747 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 [] [2021-11-19 14:46:15,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:46:15,385 INFO L93 Difference]: Finished difference Result 140983 states and 209364 transitions. [2021-11-19 14:46:15,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:46:15,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 35.166666666666664) internal successors, (211), 6 states have internal predecessors, (211), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 548 [2021-11-19 14:46:15,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:46:15,808 INFO L225 Difference]: With dead ends: 140983 [2021-11-19 14:46:15,808 INFO L226 Difference]: Without dead ends: 81826 [2021-11-19 14:46:16,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1096 GetRequests, 1091 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:46:16,075 INFO L933 BasicCegarLoop]: 15423 mSDtfsCounter, 7561 mSDsluCounter, 42218 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 1507 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8063 SdHoareTripleChecker+Valid, 57641 SdHoareTripleChecker+Invalid, 2025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1507 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:46:16,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8063 Valid, 57641 Invalid, 2025 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1507 Valid, 517 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2021-11-19 14:46:16,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81826 states. [2021-11-19 14:46:20,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81826 to 59212. [2021-11-19 14:46:20,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59212 states, 41405 states have (on average 1.3421808960270498) internal successors, (55573), 42026 states have internal predecessors, (55573), 15872 states have call successors, (15872), 1934 states have call predecessors, (15872), 1933 states have return successors, (15872), 15809 states have call predecessors, (15872), 15872 states have call successors, (15872) [2021-11-19 14:46:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59212 states to 59212 states and 87317 transitions. [2021-11-19 14:46:21,224 INFO L78 Accepts]: Start accepts. Automaton has 59212 states and 87317 transitions. Word has length 548 [2021-11-19 14:46:21,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:46:21,226 INFO L470 AbstractCegarLoop]: Abstraction has 59212 states and 87317 transitions. [2021-11-19 14:46:21,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.166666666666664) internal successors, (211), 6 states have internal predecessors, (211), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-19 14:46:21,226 INFO L276 IsEmpty]: Start isEmpty. Operand 59212 states and 87317 transitions. [2021-11-19 14:46:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-11-19 14:46:21,238 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:46:21,238 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 23, 23, 23, 23, 23, 23, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:46:21,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:46:21,454 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:46:21,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:46:21,455 INFO L85 PathProgramCache]: Analyzing trace with hash 192988435, now seen corresponding path program 1 times [2021-11-19 14:46:21,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:46:21,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-19 14:46:21,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450041277] [2021-11-19 14:46:21,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:46:21,470 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:46:21,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:46:21,471 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:46:21,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:46:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:46:41,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 11382 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:46:41,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:46:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3049 trivial. 0 not checked. [2021-11-19 14:46:42,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:46:43,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 3139 trivial. 0 not checked. [2021-11-19 14:46:43,951 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:46:43,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450041277] [2021-11-19 14:46:43,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450041277] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:46:43,951 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:46:43,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:46:43,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124454198] [2021-11-19 14:46:43,951 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:46:43,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:46:43,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:46:43,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:46:43,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:46:43,957 INFO L87 Difference]: Start difference. First operand 59212 states and 87317 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-19 14:46:47,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:46:49,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:46:49,788 INFO L93 Difference]: Finished difference Result 125538 states and 185148 transitions. [2021-11-19 14:46:49,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:46:49,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 548 [2021-11-19 14:46:49,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:46:50,089 INFO L225 Difference]: With dead ends: 125538 [2021-11-19 14:46:50,089 INFO L226 Difference]: Without dead ends: 66377 [2021-11-19 14:46:50,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1094 GetRequests, 1093 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:46:50,295 INFO L933 BasicCegarLoop]: 19811 mSDtfsCounter, 10359 mSDsluCounter, 12143 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10359 SdHoareTripleChecker+Valid, 31954 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:46:50,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10359 Valid, 31954 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 14:46:50,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66377 states. [2021-11-19 14:46:54,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66377 to 66371. [2021-11-19 14:46:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66371 states, 46434 states have (on average 1.342098462333635) internal successors, (62319), 47131 states have internal predecessors, (62319), 17780 states have call successors, (17780), 2156 states have call predecessors, (17780), 2155 states have return successors, (17780), 17708 states have call predecessors, (17780), 17780 states have call successors, (17780) [2021-11-19 14:46:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66371 states to 66371 states and 97879 transitions. [2021-11-19 14:46:54,509 INFO L78 Accepts]: Start accepts. Automaton has 66371 states and 97879 transitions. Word has length 548 [2021-11-19 14:46:54,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:46:54,510 INFO L470 AbstractCegarLoop]: Abstraction has 66371 states and 97879 transitions. [2021-11-19 14:46:54,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-19 14:46:54,511 INFO L276 IsEmpty]: Start isEmpty. Operand 66371 states and 97879 transitions. [2021-11-19 14:46:54,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-11-19 14:46:54,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:46:54,523 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 23, 23, 23, 23, 23, 23, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:46:54,735 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forcibly destroying the process [2021-11-19 14:46:54,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:46:54,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:46:54,740 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:46:54,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:46:54,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2069471253, now seen corresponding path program 1 times [2021-11-19 14:46:54,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:46:54,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123534432] [2021-11-19 14:46:54,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:46:54,751 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:46:54,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:46:54,752 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:46:54,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 14:47:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:47:15,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 11382 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:47:15,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:47:16,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3049 trivial. 0 not checked. [2021-11-19 14:47:16,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:47:17,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 3139 trivial. 0 not checked. [2021-11-19 14:47:17,264 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:47:17,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2123534432] [2021-11-19 14:47:17,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2123534432] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:47:17,264 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:47:17,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:47:17,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164715658] [2021-11-19 14:47:17,265 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:47:17,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:47:17,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:47:17,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:47:17,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:47:17,266 INFO L87 Difference]: Start difference. First operand 66371 states and 97879 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-19 14:47:20,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:47:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:47:23,447 INFO L93 Difference]: Finished difference Result 139888 states and 206314 transitions. [2021-11-19 14:47:23,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:47:23,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 548 [2021-11-19 14:47:23,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:47:23,803 INFO L225 Difference]: With dead ends: 139888 [2021-11-19 14:47:23,803 INFO L226 Difference]: Without dead ends: 73568 [2021-11-19 14:47:24,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1094 GetRequests, 1093 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:47:24,186 INFO L933 BasicCegarLoop]: 22573 mSDtfsCounter, 10377 mSDsluCounter, 12144 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10377 SdHoareTripleChecker+Valid, 34717 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:47:24,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10377 Valid, 34717 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 71 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 14:47:24,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73568 states. [2021-11-19 14:47:28,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73568 to 73562. [2021-11-19 14:47:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73562 states, 51491 states have (on average 1.342001514827834) internal successors, (69101), 52264 states have internal predecessors, (69101), 19690 states have call successors, (19690), 2380 states have call predecessors, (19690), 2379 states have return successors, (19690), 19609 states have call predecessors, (19690), 19690 states have call successors, (19690) [2021-11-19 14:47:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73562 states to 73562 states and 108481 transitions. [2021-11-19 14:47:28,967 INFO L78 Accepts]: Start accepts. Automaton has 73562 states and 108481 transitions. Word has length 548 [2021-11-19 14:47:28,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:47:28,976 INFO L470 AbstractCegarLoop]: Abstraction has 73562 states and 108481 transitions. [2021-11-19 14:47:28,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-19 14:47:28,976 INFO L276 IsEmpty]: Start isEmpty. Operand 73562 states and 108481 transitions. [2021-11-19 14:47:28,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2021-11-19 14:47:28,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:47:28,987 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 23, 23, 23, 23, 23, 23, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:47:29,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:47:29,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-19 14:47:29,208 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:47:29,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:47:29,210 INFO L85 PathProgramCache]: Analyzing trace with hash 17112901, now seen corresponding path program 1 times [2021-11-19 14:47:29,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:47:29,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523461624] [2021-11-19 14:47:29,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:47:29,220 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:47:29,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:47:29,220 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:47:29,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f4cf58-3b1b-43ad-b677-d446c000ba5d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 14:47:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:47:49,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 11399 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-19 14:47:49,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:47:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3453 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 2961 trivial. 0 not checked. [2021-11-19 14:47:51,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:47:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3453 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 3331 trivial. 0 not checked. [2021-11-19 14:47:53,636 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:47:53,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523461624] [2021-11-19 14:47:53,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1523461624] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:47:53,637 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:47:53,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 16 [2021-11-19 14:47:53,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180252910] [2021-11-19 14:47:53,638 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:47:53,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-19 14:47:53,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:47:53,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-19 14:47:53,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-11-19 14:47:53,642 INFO L87 Difference]: Start difference. First operand 73562 states and 108481 transitions. Second operand has 16 states, 15 states have (on average 14.466666666666667) internal successors, (217), 15 states have internal predecessors, (217), 6 states have call successors, (68), 3 states have call predecessors, (68), 7 states have return successors, (65), 6 states have call predecessors, (65), 6 states have call successors, (65)