./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/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 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:06:21,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:06:21,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:06:21,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:06:21,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:06:21,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:06:21,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:06:21,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:06:21,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:06:21,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:06:21,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:06:21,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:06:21,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:06:21,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:06:21,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:06:21,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:06:21,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:06:21,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:06:21,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:06:21,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:06:21,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:06:21,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:06:21,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:06:21,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:06:21,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:06:21,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:06:21,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:06:21,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:06:21,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:06:21,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:06:21,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:06:21,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:06:21,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:06:21,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:06:21,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:06:21,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:06:21,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:06:21,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:06:21,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:06:21,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:06:21,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:06:21,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 15:06:21,615 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:06:21,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:06:21,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:06:21,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:06:21,618 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:06:21,618 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:06:21,618 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:06:21,619 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:06:21,619 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:06:21,619 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:06:21,621 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:06:21,621 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:06:21,621 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:06:21,622 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:06:21,622 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:06:21,622 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:06:21,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:06:21,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:06:21,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:06:21,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:06:21,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:06:21,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:06:21,626 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:06:21,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:06:21,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:06:21,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:06:21,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:06:21,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:06:21,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:06:21,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:06:21,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:06:21,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:06:21,631 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:06:21,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:06:21,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:06:21,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:06:21,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:06:21,633 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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 [2021-11-19 15:06:21,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:06:21,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:06:22,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:06:22,002 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:06:22,003 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:06:22,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-11-19 15:06:22,090 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/data/3990a158d/8c2dfa3e4e0e4b41bd7c167edbaa1fae/FLAG797a0ba3d [2021-11-19 15:06:23,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:06:23,409 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-11-19 15:06:23,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/data/3990a158d/8c2dfa3e4e0e4b41bd7c167edbaa1fae/FLAG797a0ba3d [2021-11-19 15:06:23,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/data/3990a158d/8c2dfa3e4e0e4b41bd7c167edbaa1fae [2021-11-19 15:06:24,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:06:24,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:06:24,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:06:24,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:06:24,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:06:24,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:23" (1/1) ... [2021-11-19 15:06:24,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5900aaa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:24, skipping insertion in model container [2021-11-19 15:06:24,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:23" (1/1) ... [2021-11-19 15:06:24,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:06:24,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:06:27,364 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 15:06:27,390 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 15:06:27,391 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 15:06:27,753 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 15:06:27,899 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 15:06:27,910 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 15:06:30,259 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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2021-11-19 15:06:30,263 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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2021-11-19 15:06:30,306 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:06:30,382 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 15:06:30,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74b2c8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30, skipping insertion in model container [2021-11-19 15:06:30,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:06:30,384 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:06:30,387 INFO L158 Benchmark]: Toolchain (without parser) took 6382.51ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 57.0MB in the beginning and 56.4MB in the end (delta: 538.5kB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2021-11-19 15:06:30,388 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:06:30,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6379.57ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 56.6MB in the beginning and 57.2MB in the end (delta: -616.9kB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2021-11-19 15:06:30,392 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6379.57ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 56.6MB in the beginning and 57.2MB in the end (delta: -616.9kB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7033]: 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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/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 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:06:33,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:06:33,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:06:33,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:06:33,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:06:33,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:06:33,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:06:33,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:06:33,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:06:33,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:06:33,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:06:33,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:06:33,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:06:33,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:06:33,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:06:33,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:06:33,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:06:33,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:06:33,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:06:33,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:06:33,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:06:33,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:06:33,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:06:33,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:06:33,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:06:33,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:06:33,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:06:33,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:06:33,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:06:33,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:06:33,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:06:33,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:06:33,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:06:33,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:06:33,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:06:33,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:06:33,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:06:33,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:06:33,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:06:33,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:06:33,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:06:33,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 15:06:33,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:06:33,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:06:33,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:06:33,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:06:33,276 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:06:33,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:06:33,277 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:06:33,277 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:06:33,277 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:06:33,278 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:06:33,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:06:33,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:06:33,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:06:33,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:06:33,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:06:33,282 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:06:33,282 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:06:33,283 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:06:33,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:06:33,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:06:33,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:06:33,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:06:33,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:06:33,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:06:33,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:06:33,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:06:33,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:06:33,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:06:33,286 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:06:33,286 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:06:33,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:06:33,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:06:33,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:06:33,287 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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 [2021-11-19 15:06:33,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:06:33,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:06:33,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:06:33,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:06:33,822 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:06:33,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-11-19 15:06:33,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/data/b33d7a1b5/4f947126d4ee4761b81c89775f243d66/FLAG4624b1e94 [2021-11-19 15:06:35,359 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:06:35,360 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-11-19 15:06:35,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/data/b33d7a1b5/4f947126d4ee4761b81c89775f243d66/FLAG4624b1e94 [2021-11-19 15:06:35,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/data/b33d7a1b5/4f947126d4ee4761b81c89775f243d66 [2021-11-19 15:06:35,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:06:35,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:06:35,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:06:35,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:06:35,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:06:35,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:35" (1/1) ... [2021-11-19 15:06:35,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae10645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:35, skipping insertion in model container [2021-11-19 15:06:35,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:35" (1/1) ... [2021-11-19 15:06:35,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:06:36,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:06:42,205 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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2021-11-19 15:06:42,208 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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2021-11-19 15:06:42,242 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:06:42,301 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 15:06:42,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:06:43,063 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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2021-11-19 15:06:43,065 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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2021-11-19 15:06:43,073 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:06:43,114 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:06:44,001 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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2021-11-19 15:06:44,002 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_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2021-11-19 15:06:44,010 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:06:44,374 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:06:44,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44 WrapperNode [2021-11-19 15:06:44,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:06:44,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:06:44,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:06:44,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:06:44,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44" (1/1) ... [2021-11-19 15:06:44,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44" (1/1) ... [2021-11-19 15:06:44,879 INFO L137 Inliner]: procedures = 711, calls = 4163, calls flagged for inlining = 369, calls inlined = 343, statements flattened = 9996 [2021-11-19 15:06:44,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:06:44,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:06:44,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:06:44,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:06:44,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44" (1/1) ... [2021-11-19 15:06:44,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44" (1/1) ... [2021-11-19 15:06:44,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44" (1/1) ... [2021-11-19 15:06:44,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44" (1/1) ... [2021-11-19 15:06:45,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44" (1/1) ... [2021-11-19 15:06:45,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44" (1/1) ... [2021-11-19 15:06:45,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44" (1/1) ... [2021-11-19 15:06:45,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:06:45,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:06:45,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:06:45,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:06:45,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44" (1/1) ... [2021-11-19 15:06:45,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:06:45,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:06:45,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:06:45,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:06:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 15:06:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 15:06:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-19 15:06:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-19 15:06:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2021-11-19 15:06:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2021-11-19 15:06:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-19 15:06:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-19 15:06:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2021-11-19 15:06:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2021-11-19 15:06:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 15:06:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 15:06:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 15:06:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 15:06:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-19 15:06:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-19 15:06:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 15:06:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 15:06:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2021-11-19 15:06:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2021-11-19 15:06:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 15:06:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 15:06:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 15:06:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 15:06:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 15:06:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 15:06:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2021-11-19 15:06:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2021-11-19 15:06:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 15:06:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 15:06:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 15:06:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 15:06:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2021-11-19 15:06:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2021-11-19 15:06:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2021-11-19 15:06:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2021-11-19 15:06:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2021-11-19 15:06:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2021-11-19 15:06:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 15:06:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 15:06:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 15:06:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 15:06:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 15:06:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 15:06:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 15:06:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 15:06:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 15:06:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 15:06:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 15:06:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 15:06:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 15:06:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 15:06:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 15:06:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 15:06:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-19 15:06:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-19 15:06:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 15:06:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 15:06:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 15:06:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2021-11-19 15:06:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2021-11-19 15:06:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 15:06:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 15:06:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 15:06:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 15:06:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2021-11-19 15:06:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2021-11-19 15:06:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-19 15:06:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-19 15:06:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2021-11-19 15:06:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2021-11-19 15:06:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 15:06:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 15:06:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_110 [2021-11-19 15:06:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_110 [2021-11-19 15:06:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2021-11-19 15:06:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2021-11-19 15:06:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2021-11-19 15:06:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2021-11-19 15:06:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2021-11-19 15:06:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2021-11-19 15:06:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2021-11-19 15:06:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2021-11-19 15:06:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 15:06:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 15:06:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 15:06:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 15:06:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2021-11-19 15:06:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2021-11-19 15:06:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 15:06:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 15:06:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 15:06:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 15:06:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 15:06:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 15:06:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 15:06:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 15:06:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 15:06:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 15:06:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 15:06:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 15:06:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-19 15:06:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-19 15:06:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 15:06:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 15:06:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 15:06:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 15:06:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 15:06:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 15:06:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 15:06:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 15:06:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2021-11-19 15:06:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2021-11-19 15:06:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 15:06:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 15:06:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 15:06:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 15:06:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 15:06:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 15:06:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 15:06:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-19 15:06:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-19 15:06:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:06:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 15:06:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 15:06:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 15:06:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 15:06:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 15:06:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 15:06:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:06:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2021-11-19 15:06:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2021-11-19 15:06:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-19 15:06:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-19 15:06:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 15:06:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 15:06:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 15:06:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 15:06:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 15:06:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 15:06:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-19 15:06:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-19 15:06:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 15:06:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 15:06:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 15:06:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 15:06:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-19 15:06:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-19 15:06:45,625 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 15:06:45,625 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 15:06:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2021-11-19 15:06:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2021-11-19 15:06:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2021-11-19 15:06:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2021-11-19 15:06:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 15:06:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 15:06:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-19 15:06:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-19 15:06:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 15:06:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 15:06:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2021-11-19 15:06:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2021-11-19 15:06:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 15:06:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 15:06:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2021-11-19 15:06:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2021-11-19 15:06:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2021-11-19 15:06:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2021-11-19 15:06:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2021-11-19 15:06:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2021-11-19 15:06:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2021-11-19 15:06:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2021-11-19 15:06:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2021-11-19 15:06:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2021-11-19 15:06:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 15:06:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 15:06:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 15:06:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 15:06:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 15:06:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2021-11-19 15:06:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2021-11-19 15:06:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2021-11-19 15:06:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2021-11-19 15:06:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2021-11-19 15:06:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2021-11-19 15:06:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2021-11-19 15:06:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2021-11-19 15:06:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:06:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:06:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-19 15:06:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-19 15:06:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-19 15:06:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-19 15:06:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 15:06:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 15:06:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 15:06:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 15:06:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 15:06:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 15:06:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 15:06:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 15:06:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 15:06:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 15:06:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 15:06:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 15:06:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2021-11-19 15:06:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2021-11-19 15:06:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-19 15:06:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-19 15:06:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 15:06:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 15:06:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2021-11-19 15:06:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2021-11-19 15:06:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2021-11-19 15:06:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2021-11-19 15:06:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 15:06:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 15:06:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-19 15:06:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-19 15:06:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-19 15:06:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-19 15:06:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2021-11-19 15:06:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2021-11-19 15:06:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2021-11-19 15:06:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2021-11-19 15:06:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 15:06:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 15:06:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 15:06:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 15:06:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2021-11-19 15:06:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2021-11-19 15:06:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-19 15:06:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-19 15:06:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2021-11-19 15:06:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2021-11-19 15:06:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-19 15:06:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-19 15:06:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 15:06:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 15:06:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:06:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 15:06:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 15:06:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2021-11-19 15:06:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2021-11-19 15:06:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_118 [2021-11-19 15:06:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_118 [2021-11-19 15:06:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2021-11-19 15:06:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2021-11-19 15:06:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 15:06:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 15:06:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:06:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2021-11-19 15:06:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2021-11-19 15:06:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 15:06:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 15:06:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 15:06:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 15:06:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2021-11-19 15:06:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2021-11-19 15:06:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 15:06:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2021-11-19 15:06:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2021-11-19 15:06:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 15:06:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 15:06:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-19 15:06:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-19 15:06:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2021-11-19 15:06:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2021-11-19 15:06:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-19 15:06:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-19 15:06:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 15:06:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 15:06:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2021-11-19 15:06:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2021-11-19 15:06:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 15:06:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 15:06:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 15:06:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 15:06:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 15:06:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 15:06:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2021-11-19 15:06:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2021-11-19 15:06:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-19 15:06:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-19 15:06:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2021-11-19 15:06:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2021-11-19 15:06:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2021-11-19 15:06:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2021-11-19 15:06:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2021-11-19 15:06:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2021-11-19 15:06:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 15:06:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 15:06:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 15:06:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 15:06:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2021-11-19 15:06:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2021-11-19 15:06:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-19 15:06:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-19 15:06:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-19 15:06:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-19 15:06:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 15:06:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 15:06:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2021-11-19 15:06:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2021-11-19 15:06:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 15:06:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 15:06:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2021-11-19 15:06:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2021-11-19 15:06:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2021-11-19 15:06:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2021-11-19 15:06:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-19 15:06:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-19 15:06:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 15:06:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 15:06:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2021-11-19 15:06:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2021-11-19 15:06:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2021-11-19 15:06:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2021-11-19 15:06:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 15:06:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 15:06:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 15:06:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 15:06:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 15:06:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 15:06:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 15:06:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 15:06:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 15:06:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 15:06:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2021-11-19 15:06:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2021-11-19 15:06:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 15:06:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 15:06:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2021-11-19 15:06:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2021-11-19 15:06:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2021-11-19 15:06:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2021-11-19 15:06:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-19 15:06:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-19 15:06:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2021-11-19 15:06:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2021-11-19 15:06:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 15:06:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 15:06:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-19 15:06:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-19 15:06:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2021-11-19 15:06:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2021-11-19 15:06:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2021-11-19 15:06:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2021-11-19 15:06:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-19 15:06:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-19 15:06:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-19 15:06:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-19 15:06:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 15:06:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 15:06:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2021-11-19 15:06:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2021-11-19 15:06:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 15:06:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 15:06:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_109 [2021-11-19 15:06:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_109 [2021-11-19 15:06:46,990 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:06:46,999 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:06:47,341 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 15:07:54,160 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 15:07:54,318 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:07:54,348 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:07:54,348 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 15:07:54,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:54 BoogieIcfgContainer [2021-11-19 15:07:54,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:07:54,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:07:54,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:07:54,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:07:54,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:06:35" (1/3) ... [2021-11-19 15:07:54,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ceddcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:07:54, skipping insertion in model container [2021-11-19 15:07:54,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:44" (2/3) ... [2021-11-19 15:07:54,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ceddcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:07:54, skipping insertion in model container [2021-11-19 15:07:54,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:54" (3/3) ... [2021-11-19 15:07:54,368 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-11-19 15:07:54,374 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:07:54,375 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 15:07:54,447 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:07:54,454 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 15:07:54,454 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 15:07:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 4077 states, 2768 states have (on average 1.26878612716763) internal successors, (3512), 2805 states have internal predecessors, (3512), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) [2021-11-19 15:07:54,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-19 15:07:54,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:07:54,689 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:07:54,689 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:07:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:07:54,699 INFO L85 PathProgramCache]: Analyzing trace with hash -642178380, now seen corresponding path program 1 times [2021-11-19 15:07:54,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:07:54,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857032959] [2021-11-19 15:07:54,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:07:54,726 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:07:54,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:07:54,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:07:54,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:07:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:07:57,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:07:57,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:07:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 15:07:58,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:07:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 15:07:59,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:07:59,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857032959] [2021-11-19 15:07:59,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1857032959] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:07:59,587 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:07:59,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:07:59,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261703089] [2021-11-19 15:07:59,593 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:07:59,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:07:59,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:07:59,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:07:59,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:07:59,657 INFO L87 Difference]: Start difference. First operand has 4077 states, 2768 states have (on average 1.26878612716763) internal successors, (3512), 2805 states have internal predecessors, (3512), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 15:08:01,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:08:20,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:08:20,911 INFO L93 Difference]: Finished difference Result 15228 states and 21851 transitions. [2021-11-19 15:08:20,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:08:20,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 242 [2021-11-19 15:08:20,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:08:21,044 INFO L225 Difference]: With dead ends: 15228 [2021-11-19 15:08:21,044 INFO L226 Difference]: Without dead ends: 11075 [2021-11-19 15:08:21,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 480 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 15:08:21,092 INFO L933 BasicCegarLoop]: 7872 mSDtfsCounter, 10695 mSDsluCounter, 9876 mSDsCounter, 0 mSdLazyCounter, 2337 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10695 SdHoareTripleChecker+Valid, 17748 SdHoareTripleChecker+Invalid, 2383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2337 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:08:21,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10695 Valid, 17748 Invalid, 2383 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [45 Valid, 2337 Invalid, 1 Unknown, 0 Unchecked, 20.3s Time] [2021-11-19 15:08:21,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11075 states. [2021-11-19 15:08:22,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11075 to 11069. [2021-11-19 15:08:22,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11069 states, 7572 states have (on average 1.2617538298996303) internal successors, (9554), 7668 states have internal predecessors, (9554), 3029 states have call successors, (3029), 467 states have call predecessors, (3029), 467 states have return successors, (3029), 3005 states have call predecessors, (3029), 3029 states have call successors, (3029) [2021-11-19 15:08:22,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11069 states to 11069 states and 15612 transitions. [2021-11-19 15:08:22,244 INFO L78 Accepts]: Start accepts. Automaton has 11069 states and 15612 transitions. Word has length 242 [2021-11-19 15:08:22,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:08:22,246 INFO L470 AbstractCegarLoop]: Abstraction has 11069 states and 15612 transitions. [2021-11-19 15:08:22,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 15:08:22,248 INFO L276 IsEmpty]: Start isEmpty. Operand 11069 states and 15612 transitions. [2021-11-19 15:08:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-19 15:08:22,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:08:22,265 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:08:22,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 15:08:22,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:08:22,489 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:08:22,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:08:22,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1557462479, now seen corresponding path program 1 times [2021-11-19 15:08:22,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:08:22,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749048980] [2021-11-19 15:08:22,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:08:22,493 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:08:22,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:08:22,497 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:08:22,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:08:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:08:24,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 2078 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:08:25,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:08:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 15:08:25,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:08:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 15:08:26,505 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:08:26,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749048980] [2021-11-19 15:08:26,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749048980] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:08:26,505 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:08:26,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:08:26,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618104304] [2021-11-19 15:08:26,505 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:08:26,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:08:26,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:08:26,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:08:26,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:08:26,509 INFO L87 Difference]: Start difference. First operand 11069 states and 15612 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 15:08:28,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:08:47,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:08:47,241 INFO L93 Difference]: Finished difference Result 42549 states and 60018 transitions. [2021-11-19 15:08:47,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:08:47,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 243 [2021-11-19 15:08:47,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:08:47,486 INFO L225 Difference]: With dead ends: 42549 [2021-11-19 15:08:47,486 INFO L226 Difference]: Without dead ends: 31519 [2021-11-19 15:08:47,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:08:47,553 INFO L933 BasicCegarLoop]: 9602 mSDtfsCounter, 10928 mSDsluCounter, 12180 mSDsCounter, 0 mSdLazyCounter, 2376 mSolverCounterSat, 66 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10928 SdHoareTripleChecker+Valid, 21782 SdHoareTripleChecker+Invalid, 2443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 2376 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2021-11-19 15:08:47,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10928 Valid, 21782 Invalid, 2443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [66 Valid, 2376 Invalid, 1 Unknown, 0 Unchecked, 19.6s Time] [2021-11-19 15:08:47,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31519 states. [2021-11-19 15:08:49,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31519 to 31503. [2021-11-19 15:08:49,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31503 states, 21500 states have (on average 1.2589767441860464) internal successors, (27068), 21748 states have internal predecessors, (27068), 8645 states have call successors, (8645), 1357 states have call predecessors, (8645), 1357 states have return successors, (8645), 8591 states have call predecessors, (8645), 8645 states have call successors, (8645) [2021-11-19 15:08:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31503 states to 31503 states and 44358 transitions. [2021-11-19 15:08:50,082 INFO L78 Accepts]: Start accepts. Automaton has 31503 states and 44358 transitions. Word has length 243 [2021-11-19 15:08:50,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:08:50,083 INFO L470 AbstractCegarLoop]: Abstraction has 31503 states and 44358 transitions. [2021-11-19 15:08:50,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 15:08:50,083 INFO L276 IsEmpty]: Start isEmpty. Operand 31503 states and 44358 transitions. [2021-11-19 15:08:50,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-19 15:08:50,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:08:50,098 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2021-11-19 15:08:50,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-19 15:08:50,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:08:50,324 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:08:50,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:08:50,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1942523070, now seen corresponding path program 1 times [2021-11-19 15:08:50,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:08:50,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594739614] [2021-11-19 15:08:50,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:08:50,411 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:08:50,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:08:50,411 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:08:50,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:08:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:08:52,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 2066 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:08:52,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:08:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2021-11-19 15:08:53,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:08:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2021-11-19 15:08:54,362 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:08:54,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594739614] [2021-11-19 15:08:54,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594739614] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:08:54,363 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:08:54,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 15:08:54,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076657940] [2021-11-19 15:08:54,363 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:08:54,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:08:54,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:08:54,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:08:54,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:08:54,366 INFO L87 Difference]: Start difference. First operand 31503 states and 44358 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-19 15:08:56,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:08:58,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:08:58,947 INFO L93 Difference]: Finished difference Result 85096 states and 119533 transitions. [2021-11-19 15:08:58,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:08:58,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 262 [2021-11-19 15:08:58,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:08:59,281 INFO L225 Difference]: With dead ends: 85096 [2021-11-19 15:08:59,282 INFO L226 Difference]: Without dead ends: 53632 [2021-11-19 15:08:59,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 521 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 15:08:59,400 INFO L933 BasicCegarLoop]: 6504 mSDtfsCounter, 4180 mSDsluCounter, 5575 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4180 SdHoareTripleChecker+Valid, 12079 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 15:08:59,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4180 Valid, 12079 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 15:08:59,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53632 states. [2021-11-19 15:09:02,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53632 to 53622. [2021-11-19 15:09:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53622 states, 36503 states have (on average 1.2581431663150975) internal successors, (45926), 36930 states have internal predecessors, (45926), 14624 states have call successors, (14624), 2499 states have call predecessors, (14624), 2494 states have return successors, (14627), 14514 states have call predecessors, (14627), 14624 states have call successors, (14627) [2021-11-19 15:09:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53622 states to 53622 states and 75177 transitions. [2021-11-19 15:09:03,349 INFO L78 Accepts]: Start accepts. Automaton has 53622 states and 75177 transitions. Word has length 262 [2021-11-19 15:09:03,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:09:03,350 INFO L470 AbstractCegarLoop]: Abstraction has 53622 states and 75177 transitions. [2021-11-19 15:09:03,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-19 15:09:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 53622 states and 75177 transitions. [2021-11-19 15:09:03,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-19 15:09:03,368 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:09:03,369 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:09:03,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:09:03,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:09:03,592 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:09:03,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:09:03,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1599029363, now seen corresponding path program 1 times [2021-11-19 15:09:03,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:09:03,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257295071] [2021-11-19 15:09:03,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:09:03,596 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:09:03,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:09:03,599 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:09:03,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:09:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:09:06,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 2132 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:09:06,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:09:07,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2021-11-19 15:09:07,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:09:08,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2021-11-19 15:09:08,308 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:09:08,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257295071] [2021-11-19 15:09:08,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [257295071] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:09:08,308 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:09:08,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 15:09:08,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146421736] [2021-11-19 15:09:08,309 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:09:08,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:09:08,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:09:08,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:09:08,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:09:08,311 INFO L87 Difference]: Start difference. First operand 53622 states and 75177 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-19 15:09:10,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:09:13,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:09:13,665 INFO L93 Difference]: Finished difference Result 157427 states and 220645 transitions. [2021-11-19 15:09:13,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:09:13,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 270 [2021-11-19 15:09:13,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:09:14,404 INFO L225 Difference]: With dead ends: 157427 [2021-11-19 15:09:14,405 INFO L226 Difference]: Without dead ends: 103844 [2021-11-19 15:09:14,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 537 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 15:09:14,715 INFO L933 BasicCegarLoop]: 8652 mSDtfsCounter, 5510 mSDsluCounter, 5644 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5510 SdHoareTripleChecker+Valid, 14296 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 15:09:14,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5510 Valid, 14296 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 15:09:14,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103844 states. [2021-11-19 15:09:20,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103844 to 103806. [2021-11-19 15:09:20,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103806 states, 70737 states have (on average 1.2563015112317457) internal successors, (88867), 71588 states have internal predecessors, (88867), 28217 states have call successors, (28217), 4861 states have call predecessors, (28217), 4851 states have return successors, (28223), 27986 states have call predecessors, (28223), 28217 states have call successors, (28223) [2021-11-19 15:09:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103806 states to 103806 states and 145307 transitions. [2021-11-19 15:09:21,334 INFO L78 Accepts]: Start accepts. Automaton has 103806 states and 145307 transitions. Word has length 270 [2021-11-19 15:09:21,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:09:21,335 INFO L470 AbstractCegarLoop]: Abstraction has 103806 states and 145307 transitions. [2021-11-19 15:09:21,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-19 15:09:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 103806 states and 145307 transitions. [2021-11-19 15:09:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-19 15:09:21,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:09:21,359 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 3, 3, 3, 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] [2021-11-19 15:09:21,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 15:09:21,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:09:21,573 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:09:21,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:09:21,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1428860640, now seen corresponding path program 1 times [2021-11-19 15:09:21,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:09:21,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538404442] [2021-11-19 15:09:21,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:09:21,576 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:09:21,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:09:21,579 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:09:21,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 15:09:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:09:23,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 2162 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:09:23,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:09:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2021-11-19 15:09:24,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:09:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2021-11-19 15:09:25,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:09:25,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538404442] [2021-11-19 15:09:25,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1538404442] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:09:25,703 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:09:25,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:09:25,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169907151] [2021-11-19 15:09:25,704 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:09:25,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:09:25,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:09:25,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:09:25,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:09:25,705 INFO L87 Difference]: Start difference. First operand 103806 states and 145307 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-19 15:09:27,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:09:50,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:09:50,158 INFO L93 Difference]: Finished difference Result 310701 states and 434606 transitions. [2021-11-19 15:09:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:09:50,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 292 [2021-11-19 15:09:50,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:09:51,533 INFO L225 Difference]: With dead ends: 310701 [2021-11-19 15:09:51,533 INFO L226 Difference]: Without dead ends: 206934 [2021-11-19 15:09:51,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:09:51,839 INFO L933 BasicCegarLoop]: 6867 mSDtfsCounter, 6887 mSDsluCounter, 8985 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 243 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6887 SdHoareTripleChecker+Valid, 15852 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2021-11-19 15:09:51,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6887 Valid, 15852 Invalid, 2491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 2247 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2021-11-19 15:09:52,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206934 states. [2021-11-19 15:10:02,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206934 to 206932. [2021-11-19 15:10:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206932 states, 141035 states have (on average 1.2561988158967632) internal successors, (177168), 142680 states have internal predecessors, (177168), 56066 states have call successors, (56066), 9850 states have call predecessors, (56066), 9830 states have return successors, (56078), 55664 states have call predecessors, (56078), 56066 states have call successors, (56078) [2021-11-19 15:10:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206932 states to 206932 states and 289312 transitions. [2021-11-19 15:10:04,005 INFO L78 Accepts]: Start accepts. Automaton has 206932 states and 289312 transitions. Word has length 292 [2021-11-19 15:10:04,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:10:04,006 INFO L470 AbstractCegarLoop]: Abstraction has 206932 states and 289312 transitions. [2021-11-19 15:10:04,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-19 15:10:04,007 INFO L276 IsEmpty]: Start isEmpty. Operand 206932 states and 289312 transitions. [2021-11-19 15:10:04,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-19 15:10:04,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:10:04,024 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:10:04,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 15:10:04,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:10:04,237 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:10:04,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:10:04,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1777308564, now seen corresponding path program 1 times [2021-11-19 15:10:04,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:10:04,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1691761190] [2021-11-19 15:10:04,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:10:04,241 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:10:04,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:10:04,242 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:10:04,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd03d27-8594-482f-b7ff-efc1b0d9bc65/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 15:10:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:10:06,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 2222 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:10:06,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:10:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2021-11-19 15:10:07,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:10:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2021-11-19 15:10:08,919 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:10:08,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1691761190] [2021-11-19 15:10:08,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1691761190] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:10:08,919 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:10:08,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:10:08,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861386779] [2021-11-19 15:10:08,920 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:10:08,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:10:08,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:10:08,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:10:08,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:10:08,922 INFO L87 Difference]: Start difference. First operand 206932 states and 289312 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-19 15:10:11,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []